Org pitching register -- Major Leagues
Regular season -- as of 10/2/1984
| Primary |
| Name | Team | P | Age | ERA | W | L | S | G | GS | CG | SHO | INN | H | R | ER | BB | K | HR | GDP |
| Don Aase | Cal | cl | 29 | 2.95 | 2 | 5 | 15 | 25 | 0 | 0 | 0 | 36.2 | 25 | 13 | 12 | 14 | 26 | 3 | 2 |
| Glenn Abbott | Det | sp | 33 | 4.18 | 5 | 5 | 0 | 16 | 8 | 0 | 0 | 71.0 | 82 | 38 | 33 | 11 | 13 | 8 | 6 |
| Jim Acker | Tor | mr | 25 | 3.82 | 4 | 3 | 0 | 28 | 3 | 0 | 0 | 75.1 | 72 | 34 | 32 | 25 | 35 | 4 | 20 |
| Juan Agosto* | ChA | mr | 26 | 4.96 | 3 | 5 | 7 | 61 | 0 | 0 | 0 | 69.0 | 86 | 39 | 38 | 52 | 35 | 7 | 18 |
| Doyle Alexander | Tor | sp | 33 | 3.56 | 15 | 12 | 0 | 35 | 35 | 10 | 0 | 253.0 | 256 | 108 | 100 | 51 | 127 | 20 | 19 |
| Neil Allen | StL | mr | 26 | 2.89 | 9 | 4 | 4 | 52 | 1 | 0 | 0 | 96.2 | 88 | 33 | 31 | 32 | 59 | 6 | 8 |
| Porfi Altamirano | ChN | mr | 32 | 0.00 | 1 | 0 | 1 | 7 | 0 | 0 | 0 | 6.0 | 3 | 0 | 0 | 0 | 3 | 0 | 0 |
| Larry Andersen | Phi | mr | 31 | 3.69 | 8 | 6 | 5 | 76 | 0 | 0 | 0 | 95.0 | 90 | 45 | 39 | 38 | 55 | 7 | 6 |
| Joaquin Andujar | StL | sp | 31 | 2.86 | 15 | 11 | 0 | 36 | 36 | 12 | 5 | 251.2 | 192 | 90 | 80 | 76 | 136 | 14 | 17 |
| Luis Aponte | Cle | mr | 31 | 3.19 | 3 | 1 | 2 | 33 | 0 | 0 | 0 | 53.2 | 45 | 23 | 19 | 16 | 26 | 5 | 3 |
| Mike Armstrong | NYA | mr | 30 | 4.60 | 4 | 1 | 1 | 39 | 0 | 0 | 0 | 58.2 | 55 | 31 | 30 | 31 | 45 | 8 | 12 |
| Keith Atherton | Oak | mr | 25 | 3.49 | 7 | 5 | 1 | 51 | 0 | 0 | 0 | 108.1 | 99 | 45 | 42 | 31 | 61 | 12 | 5 |
| Jerry Augustine* | Mil | mr | 31 | 27.00 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| Doug Bair | Det | mr | 34 | 2.97 | 9 | 1 | 5 | 51 | 1 | 0 | 0 | 100.0 | 74 | 34 | 33 | 35 | 45 | 13 | 15 |
| Floyd Bannister* | ChA | sp | 29 | 5.20 | 8 | 16 | 0 | 33 | 33 | 4 | 1 | 197.1 | 217 | 130 | 114 | 79 | 142 | 23 | 19 |
| Greg Bargar | Mon | sp | 25 | 9.64 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 4.2 | 8 | 5 | 5 | 6 | 2 | 1 | 0 |
| Len Barker | Atl | sp | 28 | 4.06 | 4 | 10 | 0 | 20 | 20 | 1 | 0 | 133.0 | 127 | 65 | 60 | 48 | 99 | 14 | 11 |
| Salome Barojas |   | sp | 27 | 3.37 | 7 | 5 | 2 | 43 | 14 | 2 | 1 | 152.1 | 143 | 67 | 57 | 66 | 65 | 13 | 19 |
| Dave Beard | Sea | mr | 24 | 5.57 | 2 | 4 | 1 | 63 | 0 | 0 | 0 | 108.1 | 123 | 68 | 67 | 47 | 54 | 26 | 9 |
| Jim Beattie | Sea | sp | 29 | 4.61 | 7 | 18 | 0 | 32 | 32 | 4 | 0 | 203.0 | 230 | 117 | 104 | 75 | 114 | 16 | 19 |
| Joe Beckwith | KC | mr | 29 | 3.88 | 1 | 3 | 4 | 31 | 1 | 0 | 0 | 65.0 | 63 | 28 | 28 | 24 | 54 | 7 | 9 |
| Steve Bedrosian | Atl | cl | 26 | 2.38 | 7 | 4 | 4 | 56 | 4 | 1 | 0 | 90.2 | 68 | 26 | 24 | 31 | 71 | 4 | 2 |
| Andy Beene | Mil | sp | 27 | 9.43 | 0 | 4 | 1 | 6 | 3 | 0 | 0 | 21.0 | 30 | 23 | 22 | 8 | 10 | 3 | 2 |
| Rick Behenna | Cle | sp | 24 | 15.43 | 0 | 2 | 0 | 3 | 3 | 0 | 0 | 4.2 | 8 | 9 | 8 | 10 | 1 | 2 | 0 |
| Juan Berenguer | Det | sp | 29 | 4.13 | 10 | 4 | 0 | 33 | 27 | 2 | 1 | 167.2 | 156 | 87 | 77 | 88 | 101 | 17 | 13 |
| Bruce Berenyi |   | sp | 29 | 4.15 | 10 | 9 | 0 | 31 | 30 | 3 | 1 | 173.1 | 172 | 91 | 80 | 83 | 131 | 12 | 15 |
| Jeff Bettendorf | Oak | cl | 23 | 1.86 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 9.2 | 7 | 2 | 2 | 5 | 5 | 1 | 0 |
| Jim Bibby | Tex | mr | 39 | 5.70 | 1 | 1 | 0 | 11 | 0 | 0 | 0 | 30.0 | 37 | 21 | 19 | 13 | 20 | 2 | 4 |
| Bud Black* | KC | sp | 27 | 2.81 | 17 | 9 | 0 | 35 | 35 | 14 | 2 | 256.0 | 216 | 86 | 80 | 78 | 133 | 17 | 18 |
| Bert Blyleven | Cle | sp | 33 | 2.80 | 19 | 8 | 0 | 32 | 32 | 16 | 3 | 251.0 | 214 | 88 | 78 | 69 | 149 | 20 | 16 |
| Mike Boddicker | Bal | sp | 26 | 4.17 | 15 | 15 | 0 | 34 | 34 | 15 | 4 | 239.1 | 229 | 116 | 111 | 80 | 103 | 21 | 20 |
| Greg Booker | SD | mr | 24 | 2.69 | 3 | 1 | 1 | 34 | 1 | 0 | 0 | 67.0 | 74 | 24 | 20 | 27 | 30 | 3 | 13 |
| Rich Bordi | ChN | mr | 25 | 3.63 | 3 | 4 | 3 | 21 | 7 | 1 | 1 | 62.0 | 57 | 32 | 25 | 21 | 21 | 8 | 5 |
| Oil Can Boyd | Bos | sp | 24 | 3.21 | 17 | 7 | 0 | 27 | 26 | 13 | 2 | 210.1 | 193 | 87 | 75 | 41 | 138 | 16 | 13 |
| Fred Breining | Mon | mr | 28 | 8.25 | 0 | 0 | 1 | 8 | 0 | 0 | 0 | 12.0 | 13 | 13 | 11 | 14 | 8 | 0 | 5 |
| Tom Brennan | ChA | mr | 31 | 6.30 | 0 | 1 | 0 | 4 | 1 | 0 | 0 | 10.0 | 11 | 7 | 7 | 4 | 2 | 3 | 0 |
| Tony Brizzolara | Atl | mr | 27 | 3.38 | 0 | 2 | 0 | 6 | 4 | 0 | 0 | 29.1 | 23 | 17 | 11 | 13 | 10 | 3 | 4 |
| Curt Brown | NYA | mr | 24 | 1.04 | 1 | 2 | 0 | 13 | 0 | 0 | 0 | 17.1 | 17 | 6 | 2 | 8 | 11 | 2 | 1 |
| Mark Brown | Bal | mr | 24 | 3.68 | 3 | 1 | 0 | 13 | 0 | 0 | 0 | 44.0 | 43 | 20 | 18 | 7 | 15 | 2 | 6 |
| Mike Brown | Bos | sp | 25 | 4.54 | 5 | 1 | 0 | 11 | 11 | 0 | 0 | 71.1 | 87 | 39 | 36 | 16 | 40 | 6 | 6 |
| Steve Brown | Cal | sp | 27 | 10.32 | 0 | 2 | 0 | 3 | 3 | 0 | 0 | 11.1 | 14 | 13 | 13 | 13 | 6 | 1 | 1 |
| Tom Browning* | Cin | sp | 24 | 2.49 | 2 | 1 | 0 | 3 | 3 | 2 | 0 | 25.1 | 24 | 8 | 7 | 5 | 17 | 0 | 0 |
| Warren Brusstar | ChN | mr | 32 | 3.79 | 3 | 0 | 2 | 38 | 0 | 0 | 0 | 61.2 | 66 | 26 | 26 | 13 | 44 | 5 | 5 |
| Tom Burgmeier* | Oak | mr | 40 | 2.65 | 3 | 7 | 5 | 34 | 0 | 0 | 0 | 51.0 | 34 | 16 | 15 | 16 | 20 | 5 | 5 |
| Britt Burns* | ChA | mr | 25 | 3.84 | 8 | 3 | 0 | 32 | 16 | 2 | 1 | 126.2 | 135 | 56 | 54 | 44 | 96 | 6 | 8 |
| Ray Burris | Oak | sp | 33 | 4.46 | 12 | 10 | 0 | 28 | 28 | 2 | 0 | 193.2 | 186 | 106 | 96 | 88 | 86 | 17 | 18 |
| John Butcher | Min | sp | 27 | 4.67 | 8 | 14 | 0 | 34 | 34 | 6 | 1 | 214.0 | 239 | 125 | 111 | 50 | 74 | 25 | 18 |
| Marty Bystrom |   | sp | 25 | 5.13 | 6 | 9 | 0 | 18 | 18 | 1 | 0 | 94.2 | 105 | 66 | 54 | 41 | 60 | 13 | 3 |
| Mike Caldwell* | Mil | sp | 35 | 4.09 | 5 | 9 | 0 | 22 | 19 | 6 | 0 | 125.1 | 142 | 67 | 57 | 19 | 31 | 14 | 13 |
| Jeff Calhoun* | Hou | mr | 26 | 0.00 | 0 | 0 | 1 | 12 | 0 | 0 | 0 | 16.1 | 4 | 0 | 0 | 1 | 9 | 0 | 0 |
| Mark Calvert | SF | sp | 27 | 5.28 | 2 | 1 | 0 | 6 | 5 | 0 | 0 | 29.0 | 33 | 18 | 17 | 9 | 5 | 3 | 3 |
| Ernie Camacho | Cle | cl | 29 | 2.76 | 8 | 7 | 14 | 70 | 0 | 0 | 0 | 120.2 | 108 | 43 | 37 | 45 | 60 | 6 | 11 |
| Rick Camp | Atl | sp | 31 | 4.06 | 7 | 7 | 0 | 33 | 21 | 2 | 0 | 155.0 | 143 | 80 | 70 | 65 | 75 | 10 | 16 |
| Bill Campbell | Phi | mr | 35 | 3.29 | 7 | 1 | 3 | 58 | 0 | 0 | 0 | 90.1 | 70 | 34 | 33 | 30 | 57 | 2 | 2 |
| John Candelaria* | Pit | sp | 30 | 2.55 | 15 | 5 | 1 | 31 | 28 | 8 | 4 | 218.2 | 182 | 65 | 62 | 31 | 164 | 11 | 14 |
| Tom Candiotti | Mil | sp | 26 | 6.30 | 2 | 2 | 0 | 8 | 6 | 0 | 0 | 30.0 | 40 | 26 | 21 | 13 | 19 | 6 | 0 |
| Steve Carlton* | Phi | sp | 39 | 4.04 | 11 | 13 | 0 | 33 | 33 | 6 | 1 | 200.1 | 194 | 117 | 90 | 78 | 132 | 18 | 16 |
| Don Carman* | Phi | mr | 24 | 2.70 | 1 | 1 | 1 | 4 | 0 | 0 | 0 | 10.0 | 8 | 3 | 3 | 3 | 9 | 1 | 1 |
| Bobby Castillo | Min | mr | 29 | 2.45 | 1 | 1 | 1 | 18 | 2 | 0 | 0 | 44.0 | 28 | 15 | 12 | 27 | 17 | 3 | 7 |
| Keefe Cato | Cin | mr | 26 | 8.47 | 1 | 1 | 3 | 11 | 0 | 0 | 0 | 17.0 | 27 | 16 | 16 | 3 | 15 | 7 | 1 |
| Bill Caudill | Oak | cl | 27 | 1.95 | 6 | 2 | 25 | 74 | 0 | 0 | 0 | 110.2 | 76 | 28 | 24 | 45 | 107 | 5 | 6 |
| Floyd Chiffer | SD | mr | 28 | 7.11 | 1 | 2 | 0 | 11 | 1 | 0 | 0 | 19.0 | 34 | 16 | 15 | 8 | 14 | 0 | 2 |
| Clay Christiansen | NYA | mr | 26 | 3.21 | 2 | 1 | 1 | 19 | 1 | 0 | 0 | 33.2 | 42 | 12 | 12 | 11 | 23 | 3 | 4 |
| Ralph Citarella | StL | mr | 26 | 3.16 | 2 | 2 | 0 | 11 | 2 | 0 | 0 | 31.1 | 24 | 13 | 11 | 9 | 25 | 0 | 4 |
| Jim Clancy | Tor | sp | 28 | 5.87 | 6 | 15 | 0 | 35 | 35 | 0 | 0 | 178.0 | 225 | 128 | 116 | 78 | 99 | 27 | 19 |
| Bryan Clark* | Tor | mr | 27 | 8.45 | 3 | 2 | 2 | 36 | 3 | 0 | 0 | 66.0 | 106 | 64 | 62 | 40 | 32 | 8 | 4 |
| Mark Clear | Bos | mr | 28 | 6.39 | 6 | 5 | 3 | 48 | 0 | 0 | 0 | 56.1 | 54 | 43 | 40 | 70 | 74 | 4 | 5 |
| Roger Clemens | Bos | sp | 21 | 4.61 | 9 | 7 | 0 | 20 | 20 | 4 | 1 | 130.2 | 156 | 79 | 67 | 37 | 118 | 12 | 6 |
| Jaime Cocanower | Mil | sp | 27 | 3.84 | 10 | 11 | 1 | 34 | 27 | 4 | 1 | 173.1 | 161 | 93 | 74 | 92 | 48 | 15 | 26 |
| Chris Codiroli | Oak | sp | 26 | 4.01 | 8 | 4 | 1 | 22 | 14 | 0 | 0 | 98.2 | 102 | 47 | 44 | 35 | 41 | 13 | 15 |
| Steve Comer | Cle | sp | 30 | 5.25 | 4 | 7 | 0 | 21 | 20 | 0 | 0 | 108.0 | 143 | 72 | 63 | 28 | 32 | 8 | 10 |
| Keith Comstock* | Min | mr | 28 | 6.10 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 10.1 | 19 | 7 | 7 | 7 | 5 | 4 | 0 |
| Tim Conroy* | Oak | mr | 24 | 4.60 | 6 | 4 | 0 | 32 | 14 | 1 | 1 | 105.2 | 93 | 67 | 54 | 83 | 71 | 11 | 3 |
| Doug Corbett | Cal | mr | 31 | 1.74 | 8 | 2 | 3 | 43 | 1 | 0 | 0 | 72.1 | 46 | 16 | 14 | 25 | 40 | 5 | 7 |
| Jeff Cornell | SF | mr | 27 | 4.56 | 1 | 4 | 3 | 29 | 0 | 0 | 0 | 47.1 | 60 | 29 | 24 | 22 | 22 | 2 | 13 |
| Joe Cowley | NYA | sp | 25 | 3.25 | 6 | 2 | 0 | 15 | 11 | 2 | 0 | 72.0 | 80 | 28 | 26 | 27 | 62 | 9 | 7 |
| Danny Cox | StL | sp | 24 | 3.91 | 7 | 7 | 0 | 28 | 27 | 1 | 1 | 168.0 | 179 | 80 | 73 | 65 | 77 | 12 | 24 |
| Steve Crawford | Bos | mr | 26 | 5.85 | 1 | 4 | 1 | 39 | 0 | 0 | 0 | 84.2 | 115 | 64 | 55 | 34 | 35 | 11 | 6 |
| John Curtis* | Cal | mr | 36 | 5.53 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 42.1 | 47 | 29 | 26 | 30 | 30 | 8 | 3 |
| Ron Darling | NYN | sp | 23 | 4.84 | 7 | 11 | 0 | 33 | 33 | 2 | 0 | 202.2 | 206 | 122 | 109 | 95 | 134 | 25 | 15 |
| Danny Darwin | Tex | sp | 28 | 4.79 | 7 | 16 | 0 | 34 | 32 | 3 | 1 | 201.0 | 250 | 122 | 107 | 68 | 110 | 15 | 18 |
| Mark Davis* | SF | sp | 23 | 4.05 | 9 | 7 | 0 | 32 | 27 | 2 | 1 | 166.2 | 164 | 88 | 75 | 44 | 110 | 32 | 9 |
| Ron Davis | Min | cl | 28 | 4.35 | 8 | 12 | 13 | 72 | 0 | 0 | 0 | 101.1 | 95 | 49 | 49 | 52 | 90 | 10 | 6 |
| Storm Davis | Bal | sp | 22 | 3.96 | 10 | 8 | 0 | 31 | 31 | 7 | 4 | 220.1 | 218 | 105 | 97 | 87 | 91 | 11 | 27 |
| Bill Dawley | Hou | mr | 26 | 2.33 | 2 | 9 | 12 | 61 | 0 | 0 | 0 | 85.0 | 68 | 28 | 22 | 38 | 38 | 4 | 14 |
| Ken Dayley* |   | sp | 25 | 3.23 | 1 | 2 | 0 | 6 | 6 | 0 | 0 | 30.2 | 36 | 16 | 11 | 6 | 11 | 2 | 3 |
| Jeff Dedmon | Atl | mr | 24 | 3.14 | 5 | 7 | 4 | 49 | 0 | 0 | 0 | 71.2 | 76 | 27 | 25 | 27 | 41 | 2 | 9 |
| Jose DeLeon | Pit | sp | 23 | 2.60 | 8 | 9 | 0 | 28 | 28 | 5 | 1 | 204.0 | 150 | 69 | 59 | 82 | 158 | 11 | 18 |
| Luis DeLeon | SD | mr | 25 | 6.23 | 1 | 1 | 0 | 18 | 0 | 0 | 0 | 26.0 | 31 | 20 | 18 | 9 | 25 | 9 | 0 |
| John Denny | Phi | sp | 31 | 2.19 | 15 | 2 | 0 | 22 | 22 | 8 | 2 | 164.1 | 138 | 52 | 40 | 32 | 100 | 11 | 15 |
| Jim Deshaies* | NYA | sp | 24 | 9.64 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 9.1 | 16 | 10 | 10 | 9 | 5 | 1 | 0 |
| Carlos Diaz* | LA | mr | 26 | 5.89 | 1 | 0 | 1 | 41 | 0 | 0 | 0 | 44.1 | 51 | 35 | 29 | 22 | 40 | 8 | 2 |
| Frank DiPino* | Hou | cl | 27 | 4.08 | 8 | 5 | 9 | 53 | 0 | 0 | 0 | 64.0 | 70 | 30 | 29 | 35 | 63 | 1 | 6 |
| Ken Dixon | Bal | sp | 23 | 3.00 | 2 | 0 | 0 | 2 | 2 | 2 | 0 | 18.0 | 17 | 6 | 6 | 3 | 8 | 2 | 2 |
| Richard Dotson | ChA | sp | 25 | 3.79 | 10 | 12 | 0 | 32 | 32 | 10 | 1 | 230.1 | 209 | 109 | 97 | 99 | 120 | 26 | 28 |
| Dave Dravecky* | SD | mr | 28 | 2.83 | 10 | 3 | 4 | 40 | 14 | 2 | 0 | 133.2 | 110 | 48 | 42 | 45 | 69 | 12 | 10 |
| Jamie Easterly* | Cle | mr | 31 | 1.40 | 8 | 1 | 5 | 34 | 1 | 1 | 0 | 77.0 | 55 | 21 | 12 | 25 | 43 | 3 | 12 |
| Dennis Eckersley |   | sp | 29 | 3.97 | 14 | 12 | 0 | 33 | 33 | 6 | 1 | 233.1 | 240 | 111 | 103 | 54 | 106 | 19 | 9 |
| Pete Falcone* | Atl | mr | 30 | 2.40 | 10 | 4 | 1 | 42 | 16 | 3 | 2 | 150.0 | 118 | 47 | 40 | 67 | 76 | 10 | 11 |
| Bob Fallon* | ChA | sp | 24 | 4.91 | 1 | 2 | 0 | 3 | 3 | 0 | 0 | 14.2 | 8 | 8 | 8 | 13 | 11 | 0 | 3 |
| Steve Farr | Cle | sp | 27 | 5.60 | 4 | 8 | 0 | 26 | 16 | 0 | 0 | 107.2 | 118 | 81 | 67 | 49 | 80 | 19 | 16 |
| Sid Fernandez* | NYN | sp | 21 | 2.70 | 6 | 5 | 0 | 15 | 15 | 1 | 0 | 100.0 | 81 | 32 | 30 | 29 | 60 | 4 | 4 |
| Pete Filson* | Min | mr | 25 | 4.81 | 8 | 4 | 0 | 36 | 7 | 1 | 0 | 91.2 | 89 | 56 | 49 | 52 | 42 | 10 | 5 |
| Rollie Fingers | Mil | cl | 37 | 2.72 | 5 | 4 | 13 | 42 | 0 | 0 | 0 | 46.1 | 44 | 15 | 14 | 16 | 49 | 6 | 2 |
| Steve Fireovid | Phi | mr | 27 | 2.38 | 1 | 2 | 1 | 8 | 0 | 0 | 0 | 11.1 | 9 | 4 | 3 | 1 | 5 | 0 | 1 |
| Mike Flanagan* | Bal | sp | 32 | 3.26 | 16 | 11 | 0 | 35 | 34 | 14 | 2 | 237.2 | 196 | 96 | 86 | 81 | 114 | 23 | 29 |
| Ray Fontenot* | NYA | sp | 26 | 4.18 | 7 | 10 | 4 | 43 | 24 | 2 | 1 | 174.1 | 189 | 94 | 81 | 56 | 100 | 22 | 27 |
| Bob Forsch | StL | sp | 34 | 5.50 | 2 | 3 | 0 | 14 | 11 | 0 | 0 | 55.2 | 63 | 39 | 34 | 21 | 34 | 6 | 3 |
| Ken Forsch | Cal | sp | 37 | 2.65 | 1 | 1 | 0 | 2 | 2 | 1 | 0 | 17.0 | 11 | 6 | 5 | 6 | 14 | 3 | 2 |
| Terry Forster* | Atl | mr | 32 | 1.82 | 5 | 1 | 1 | 31 | 0 | 0 | 0 | 29.2 | 28 | 8 | 6 | 5 | 21 | 2 | 4 |
| Johnny Franco* | Cin | mr | 23 | 3.73 | 5 | 3 | 6 | 75 | 0 | 0 | 0 | 82.0 | 90 | 38 | 34 | 41 | 47 | 6 | 12 |
| George Frazier |   | mr | 29 | 4.03 | 7 | 8 | 0 | 53 | 0 | 0 | 0 | 114.0 | 111 | 58 | 51 | 36 | 70 | 9 | 10 |
| Brent Gaff | NYN | mr | 25 | 3.03 | 4 | 3 | 0 | 39 | 0 | 0 | 0 | 68.1 | 51 | 24 | 23 | 23 | 40 | 4 | 6 |
| Rich Gale | Bos | mr | 30 | 8.17 | 2 | 2 | 1 | 16 | 4 | 0 | 0 | 39.2 | 74 | 38 | 36 | 20 | 30 | 7 | 1 |
| Gene Garber | Atl | mr | 36 | 4.30 | 10 | 13 | 14 | 72 | 0 | 0 | 0 | 90.0 | 94 | 47 | 43 | 25 | 53 | 12 | 8 |
| Wes Gardner | NYN | mr | 23 | 5.06 | 1 | 1 | 0 | 11 | 0 | 0 | 0 | 16.0 | 26 | 10 | 9 | 9 | 11 | 0 | 2 |
| Scott Garrelts | SF | mr | 22 | 8.20 | 0 | 5 | 0 | 24 | 3 | 0 | 0 | 37.1 | 47 | 36 | 34 | 30 | 31 | 6 | 0 |
| Dave Geisel* | Sea | mr | 29 | 3.54 | 3 | 0 | 1 | 19 | 3 | 0 | 0 | 48.1 | 54 | 21 | 19 | 13 | 22 | 4 | 3 |
| Bob Gibson | Mil | sp | 27 | 5.34 | 2 | 4 | 0 | 15 | 9 | 0 | 0 | 59.0 | 54 | 35 | 35 | 31 | 58 | 9 | 3 |
| Jerry Gleaton* | ChA | cl | 26 | 2.76 | 0 | 2 | 0 | 7 | 1 | 0 | 0 | 16.1 | 18 | 5 | 5 | 6 | 5 | 1 | 4 |
| Dwight Gooden | NYN | sp | 19 | 2.59 | 15 | 9 | 0 | 31 | 31 | 5 | 1 | 236.0 | 175 | 73 | 68 | 92 | 287 | 10 | 5 |
| Tom Gorman* | NYN | mr | 26 | 2.06 | 6 | 4 | 5 | 52 | 0 | 0 | 0 | 78.2 | 73 | 24 | 18 | 15 | 48 | 4 | 8 |
| Rich Gossage | SD | cl | 32 | 3.48 | 10 | 8 | 19 | 74 | 0 | 0 | 0 | 101.0 | 88 | 45 | 39 | 33 | 87 | 11 | 6 |
| Jim Gott | Tor | mr | 24 | 2.79 | 9 | 1 | 0 | 29 | 12 | 3 | 3 | 119.1 | 83 | 40 | 37 | 48 | 78 | 4 | 9 |
| Mark Grant | SF | sp | 20 | 6.48 | 2 | 5 | 0 | 12 | 10 | 0 | 0 | 58.1 | 60 | 45 | 42 | 30 | 26 | 14 | 1 |
| Rick Grapenthin | Mon | mr | 26 | 4.67 | 2 | 0 | 1 | 14 | 1 | 0 | 0 | 27.0 | 26 | 16 | 14 | 7 | 12 | 2 | 3 |
| Kevin Gross | Phi | mr | 23 | 3.54 | 7 | 4 | 1 | 33 | 14 | 2 | 2 | 109.1 | 116 | 45 | 43 | 41 | 76 | 3 | 11 |
| Cecilio Guante | Pit | mr | 24 | 2.77 | 0 | 2 | 0 | 21 | 0 | 0 | 0 | 39.0 | 31 | 14 | 12 | 21 | 36 | 1 | 4 |
| Mark Gubicza | KC | sp | 21 | 3.03 | 16 | 8 | 0 | 29 | 29 | 3 | 1 | 196.1 | 179 | 71 | 66 | 80 | 120 | 10 | 11 |
| Ron Guidry* | NYA | sp | 33 | 4.21 | 9 | 10 | 0 | 28 | 28 | 7 | 3 | 183.2 | 195 | 100 | 86 | 37 | 123 | 23 | 4 |
| Bill Gullickson | Mon | sp | 25 | 3.19 | 15 | 11 | 0 | 33 | 32 | 9 | 1 | 231.0 | 225 | 96 | 82 | 27 | 119 | 18 | 19 |
| Larry Gura* | KC | sp | 36 | 4.59 | 12 | 9 | 0 | 36 | 25 | 5 | 1 | 180.1 | 189 | 104 | 92 | 68 | 52 | 20 | 17 |
| Moose Haas | Mil | sp | 28 | 5.04 | 12 | 11 | 0 | 30 | 30 | 6 | 2 | 198.1 | 218 | 120 | 111 | 49 | 97 | 19 | 15 |
| Kevin Hagen | StL | mr | 24 | 4.26 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 6.1 | 5 | 3 | 3 | 2 | 2 | 1 | 0 |
| Atlee Hammaker* | SF | sp | 26 | 2.70 | 2 | 4 | 0 | 8 | 6 | 1 | 1 | 43.1 | 38 | 20 | 13 | 11 | 31 | 2 | 1 |
| Greg Harris |   | mr | 28 | 2.68 | 1 | 2 | 1 | 25 | 1 | 0 | 0 | 47.0 | 34 | 17 | 14 | 23 | 37 | 2 | 6 |
| Paul Hartzell | Mil | mr | 30 | 17.18 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 3.2 | 10 | 8 | 7 | 3 | 2 | 0 | 1 |
| Andy Hawkins | SD | sp | 24 | 5.39 | 6 | 12 | 0 | 30 | 22 | 1 | 0 | 140.1 | 149 | 96 | 84 | 95 | 78 | 16 | 16 |
| Neal Heaton* | Cle | sp | 24 | 3.80 | 14 | 11 | 0 | 35 | 34 | 8 | 2 | 220.0 | 221 | 102 | 93 | 50 | 86 | 21 | 19 |
| Gorman Heimueller* | Oak | mr | 28 | 4.66 | 1 | 1 | 0 | 7 | 0 | 0 | 0 | 9.2 | 16 | 5 | 5 | 2 | 4 | 0 | 2 |
| Tom Henke | Tex | mr | 26 | 3.38 | 1 | 1 | 10 | 28 | 0 | 0 | 0 | 40.0 | 41 | 15 | 15 | 15 | 40 | 0 | 2 |
| Willie Hernandez* | Det | cl | 29 | 3.97 | 20 | 3 | 26 | 69 | 0 | 0 | 0 | 90.2 | 80 | 42 | 40 | 28 | 64 | 10 | 9 |
| Orel Hershiser | LA | mr | 25 | 3.22 | 5 | 11 | 2 | 45 | 20 | 3 | 1 | 176.0 | 149 | 79 | 63 | 56 | 149 | 13 | 11 |
| Joe Hesketh* | Mon | sp | 25 | 1.46 | 2 | 1 | 0 | 11 | 5 | 1 | 1 | 55.1 | 36 | 11 | 9 | 15 | 41 | 2 | 8 |
| Ed Hodge* | Min | sp | 26 | 4.75 | 1 | 11 | 0 | 26 | 15 | 2 | 0 | 94.2 | 111 | 67 | 50 | 26 | 52 | 17 | 10 |
| Al Holland* | Phi | cl | 31 | 3.63 | 3 | 7 | 20 | 75 | 0 | 0 | 0 | 94.1 | 97 | 44 | 38 | 29 | 60 | 8 | 3 |
| Rick Honeycutt* | LA | sp | 30 | 2.88 | 12 | 9 | 0 | 31 | 28 | 6 | 4 | 190.1 | 188 | 81 | 61 | 34 | 79 | 8 | 17 |
| Burt Hooton | LA | mr | 34 | 4.60 | 6 | 7 | 1 | 61 | 6 | 0 | 0 | 94.0 | 106 | 56 | 48 | 49 | 62 | 3 | 9 |
| Ricky Horton* | StL | sp | 24 | 5.14 | 7 | 8 | 4 | 49 | 18 | 0 | 0 | 143.2 | 167 | 89 | 82 | 43 | 95 | 12 | 18 |
| Charlie Hough | Tex | sp | 36 | 4.00 | 13 | 18 | 0 | 36 | 36 | 12 | 3 | 268.0 | 254 | 132 | 119 | 90 | 151 | 16 | 23 |
| Jay Howell | NYA | mr | 28 | 3.69 | 8 | 2 | 7 | 69 | 1 | 1 | 1 | 107.1 | 96 | 47 | 44 | 34 | 107 | 3 | 5 |
| Ken Howell | LA | mr | 23 | 3.35 | 3 | 3 | 5 | 40 | 1 | 1 | 0 | 51.0 | 61 | 20 | 19 | 8 | 64 | 1 | 6 |
| La Marr Hoyt | ChA | sp | 29 | 3.83 | 12 | 12 | 0 | 34 | 34 | 11 | 2 | 244.1 | 247 | 116 | 104 | 39 | 122 | 26 | 17 |
| Charles Hudson | Phi | sp | 25 | 4.31 | 10 | 9 | 0 | 30 | 30 | 3 | 0 | 175.1 | 190 | 100 | 84 | 61 | 97 | 13 | 13 |
| Mark Huismann | KC | mr | 26 | 4.72 | 6 | 9 | 3 | 37 | 0 | 0 | 0 | 80.0 | 92 | 48 | 42 | 28 | 57 | 10 | 10 |
| Tom Hume | Cin | mr | 31 | 6.69 | 4 | 7 | 3 | 59 | 8 | 0 | 0 | 109.0 | 151 | 93 | 81 | 41 | 59 | 16 | 7 |
| Bruce Hurst* | Bos | sp | 26 | 5.07 | 8 | 16 | 0 | 33 | 33 | 4 | 1 | 193.2 | 219 | 128 | 109 | 86 | 104 | 21 | 11 |
| Danny Jackson* | KC | sp | 22 | 2.04 | 6 | 3 | 0 | 13 | 11 | 4 | 1 | 84.0 | 79 | 21 | 19 | 24 | 30 | 3 | 17 |
| Roy Lee Jackson | Tor | mr | 30 | 3.19 | 5 | 6 | 19 | 67 | 0 | 0 | 0 | 73.1 | 59 | 26 | 26 | 31 | 40 | 7 | 16 |
| Bob James | Mon | mr | 25 | 3.57 | 6 | 5 | 5 | 77 | 0 | 0 | 0 | 80.2 | 71 | 32 | 32 | 29 | 75 | 8 | 7 |
| Mike Jeffcoat* | Cle | mr | 24 | 3.14 | 10 | 3 | 8 | 68 | 1 | 0 | 0 | 97.1 | 99 | 40 | 34 | 15 | 56 | 11 | 11 |
| Tommy John* | Cal | sp | 41 | 5.01 | 11 | 13 | 0 | 29 | 29 | 3 | 0 | 181.1 | 235 | 115 | 101 | 56 | 50 | 18 | 25 |
| John Henry Johnson* | Bos | mr | 27 | 4.64 | 1 | 4 | 0 | 28 | 3 | 0 | 0 | 66.0 | 57 | 37 | 34 | 22 | 57 | 12 | 4 |
| Al Jones | ChA | cl | 25 | 5.87 | 3 | 3 | 2 | 23 | 0 | 0 | 0 | 30.2 | 35 | 24 | 20 | 24 | 30 | 5 | 1 |
| Jeff Jones | Oak | mr | 27 | 1.91 | 4 | 2 | 2 | 20 | 0 | 0 | 0 | 33.0 | 19 | 8 | 7 | 14 | 24 | 4 | 3 |
| Mike Jones* | KC | sp | 24 | 4.82 | 4 | 2 | 0 | 25 | 12 | 0 | 0 | 84.0 | 86 | 46 | 45 | 37 | 48 | 6 | 8 |
| Odell Jones | Tex | mr | 31 | 6.02 | 5 | 5 | 4 | 44 | 0 | 0 | 0 | 55.1 | 68 | 38 | 37 | 27 | 21 | 9 | 10 |
| Curt Kaufman | Cal | mr | 26 | 3.53 | 0 | 2 | 0 | 26 | 1 | 0 | 0 | 86.2 | 68 | 38 | 34 | 22 | 49 | 11 | 5 |
| Kurt Kepshire | StL | sp | 24 | 3.03 | 5 | 7 | 0 | 16 | 16 | 3 | 2 | 101.0 | 95 | 39 | 34 | 36 | 65 | 4 | 9 |
| Jim Kern |   | mr | 35 | 6.35 | 2 | 4 | 3 | 21 | 0 | 0 | 0 | 22.2 | 33 | 17 | 16 | 16 | 14 | 4 | 1 |
| Jimmy Key* | Tor | mr | 23 | 6.06 | 4 | 12 | 10 | 69 | 0 | 0 | 0 | 78.2 | 110 | 58 | 53 | 30 | 59 | 14 | 6 |
| Bruce Kison | Cal | mr | 34 | 6.25 | 0 | 6 | 0 | 21 | 7 | 0 | 0 | 72.0 | 97 | 57 | 50 | 28 | 83 | 13 | 5 |
| Bob Knepper* | Hou | sp | 30 | 3.05 | 10 | 9 | 0 | 34 | 34 | 7 | 3 | 221.1 | 208 | 94 | 75 | 57 | 128 | 25 | 15 |
| Jerry Koosman* | Phi | sp | 41 | 3.18 | 11 | 11 | 0 | 35 | 35 | 4 | 0 | 232.1 | 260 | 114 | 82 | 66 | 141 | 11 | 13 |
| Ray Krawczyk | Pit | mr | 24 | 0.00 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bill Krueger* | Oak | sp | 26 | 5.00 | 5 | 10 | 0 | 24 | 24 | 2 | 1 | 140.1 | 156 | 93 | 78 | 93 | 46 | 12 | 22 |
| Mike Krukow | SF | sp | 32 | 5.02 | 9 | 14 | 0 | 34 | 33 | 0 | 0 | 193.2 | 215 | 117 | 108 | 82 | 132 | 23 | 12 |
| Bob Lacey* | SF | mr | 30 | 3.05 | 4 | 1 | 1 | 37 | 1 | 0 | 0 | 56.0 | 54 | 23 | 19 | 17 | 24 | 4 | 6 |
| Frank LaCorte | Cal | mr | 32 | 4.95 | 2 | 3 | 0 | 17 | 1 | 0 | 0 | 40.0 | 44 | 26 | 22 | 17 | 13 | 11 | 4 |
| Mike LaCoss | Hou | mr | 28 | 4.16 | 7 | 9 | 0 | 40 | 18 | 0 | 0 | 140.2 | 139 | 72 | 65 | 69 | 82 | 3 | 13 |
| Pete Ladd | Mil | mr | 27 | 4.26 | 3 | 2 | 2 | 50 | 1 | 0 | 0 | 86.2 | 82 | 44 | 41 | 31 | 82 | 13 | 9 |
| Jeff Lahti | StL | mr | 27 | 3.14 | 5 | 0 | 2 | 53 | 0 | 0 | 0 | 83.0 | 61 | 31 | 29 | 43 | 47 | 2 | 6 |
| Dennis Lamp | Tor | mr | 31 | 4.94 | 3 | 4 | 1 | 51 | 4 | 0 | 0 | 85.2 | 105 | 53 | 47 | 24 | 41 | 13 | 12 |
| Rick Langford | Oak | sp | 32 | 8.31 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 8.2 | 11 | 8 | 8 | 7 | 2 | 3 | 0 |
| Mark Langston* | Sea | sp | 23 | 3.67 | 13 | 12 | 0 | 33 | 33 | 6 | 1 | 223.0 | 218 | 103 | 91 | 109 | 185 | 12 | 13 |
| Dave LaPoint* | StL | sp | 24 | 3.68 | 10 | 14 | 0 | 33 | 33 | 4 | 2 | 181.0 | 187 | 81 | 74 | 70 | 133 | 6 | 24 |
| Bill Laskey | SF | sp | 26 | 3.75 | 13 | 5 | 0 | 34 | 34 | 4 | 1 | 225.1 | 221 | 102 | 94 | 41 | 86 | 11 | 11 |
| Gary Lavelle* | SF | mr | 35 | 2.89 | 5 | 7 | 19 | 90 | 0 | 0 | 0 | 109.0 | 91 | 41 | 35 | 32 | 67 | 10 | 13 |
| Jack Lazorko | Mil | mr | 28 | 5.03 | 3 | 0 | 2 | 22 | 1 | 0 | 0 | 59.0 | 61 | 33 | 33 | 29 | 32 | 13 | 7 |
| Charlie Lea | Mon | sp | 27 | 3.69 | 10 | 15 | 0 | 31 | 31 | 8 | 3 | 207.1 | 192 | 102 | 85 | 82 | 105 | 24 | 12 |
| Luis Leal | Tor | sp | 27 | 3.94 | 12 | 14 | 0 | 35 | 35 | 5 | 0 | 221.1 | 228 | 114 | 97 | 70 | 126 | 23 | 13 |
| Tim Leary | NYN | mr | 25 | 3.43 | 5 | 2 | 1 | 18 | 7 | 0 | 0 | 60.1 | 56 | 25 | 23 | 25 | 37 | 4 | 3 |
| Craig Lefferts* | SD | mr | 26 | 2.17 | 9 | 4 | 13 | 66 | 0 | 0 | 0 | 99.2 | 87 | 30 | 24 | 27 | 47 | 0 | 10 |
| Charlie Leibrandt* | KC | sp | 27 | 3.04 | 8 | 8 | 0 | 23 | 23 | 7 | 4 | 154.0 | 156 | 62 | 52 | 36 | 49 | 10 | 13 |
| Dave Leiper* | Oak | mr | 22 | 15.63 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 6.1 | 16 | 11 | 11 | 3 | 4 | 5 | 0 |
| Randy Lerch* | SF | mr | 29 | 6.24 | 7 | 4 | 3 | 43 | 4 | 0 | 0 | 70.2 | 80 | 55 | 49 | 46 | 51 | 7 | 2 |
| Brad Lesley | Cin | mr | 25 | 4.30 | 0 | 1 | 0 | 20 | 0 | 0 | 0 | 29.1 | 23 | 14 | 14 | 16 | 20 | 4 | 4 |
| Tim Lollar* | SD | sp | 28 | 2.99 | 11 | 12 | 0 | 31 | 31 | 3 | 1 | 214.0 | 168 | 84 | 71 | 90 | 155 | 18 | 19 |
| Aurelio Lopez | Det | mr | 35 | 3.31 | 10 | 6 | 17 | 63 | 0 | 0 | 0 | 87.0 | 66 | 33 | 32 | 32 | 59 | 7 | 6 |
| Gary Lucas* | Mon | mr | 29 | 3.77 | 3 | 4 | 2 | 53 | 0 | 0 | 0 | 57.1 | 51 | 25 | 24 | 26 | 48 | 4 | 12 |
| Ed Lynch | NYN | mr | 28 | 5.29 | 7 | 12 | 0 | 31 | 13 | 2 | 0 | 115.2 | 163 | 76 | 68 | 31 | 52 | 8 | 12 |
| Rick Lysander | Min | mr | 31 | 4.22 | 2 | 1 | 3 | 34 | 0 | 0 | 0 | 53.1 | 52 | 28 | 25 | 24 | 19 | 6 | 5 |
| Mike Madden* | Hou | mr | 26 | 5.44 | 1 | 6 | 0 | 17 | 7 | 0 | 0 | 51.1 | 57 | 43 | 31 | 39 | 33 | 2 | 12 |
| Rick Mahler | Atl | sp | 30 | 3.88 | 11 | 6 | 0 | 33 | 29 | 2 | 0 | 195.0 | 190 | 86 | 84 | 67 | 115 | 17 | 14 |
| Renie Martin |   | mr | 28 | 6.75 | 3 | 2 | 1 | 34 | 0 | 0 | 0 | 46.2 | 67 | 39 | 35 | 29 | 20 | 5 | 3 |
| Dennis Martinez | Bal | sp | 29 | 4.92 | 5 | 11 | 0 | 34 | 20 | 3 | 0 | 146.1 | 158 | 90 | 80 | 28 | 69 | 29 | 8 |
| Tippy Martinez* | Bal | cl | 34 | 3.98 | 4 | 2 | 10 | 53 | 0 | 0 | 0 | 61.0 | 56 | 28 | 27 | 27 | 65 | 4 | 6 |
| Mike Mason* | Tex | sp | 25 | 3.39 | 7 | 10 | 0 | 35 | 24 | 6 | 1 | 196.2 | 176 | 80 | 74 | 53 | 127 | 24 | 13 |
| Roger Mason | Det | sp | 25 | 5.32 | 0 | 0 | 1 | 8 | 2 | 0 | 0 | 22.0 | 25 | 13 | 13 | 11 | 12 | 4 | 2 |
| Steve McCatty | Oak | sp | 30 | 4.41 | 9 | 12 | 0 | 30 | 30 | 1 | 0 | 183.2 | 217 | 111 | 90 | 67 | 60 | 19 | 18 |
| Bob McClure* | Mil | mr | 32 | 6.86 | 5 | 12 | 0 | 42 | 18 | 1 | 1 | 124.2 | 159 | 99 | 95 | 54 | 63 | 9 | 7 |
| Andy McGaffigan |   | mr | 27 | 4.40 | 3 | 5 | 0 | 31 | 6 | 0 | 0 | 71.2 | 63 | 41 | 35 | 29 | 51 | 8 | 9 |
| Tug McGraw* | Phi | mr | 39 | 3.23 | 4 | 0 | 4 | 30 | 0 | 0 | 0 | 47.1 | 48 | 18 | 17 | 9 | 32 | 4 | 2 |
| Scott McGregor* | Bal | sp | 30 | 3.92 | 12 | 12 | 0 | 30 | 30 | 8 | 2 | 209.0 | 244 | 100 | 91 | 56 | 81 | 13 | 14 |
| Joey McLaughlin |   | mr | 27 | 8.92 | 0 | 2 | 0 | 25 | 0 | 0 | 0 | 37.1 | 66 | 40 | 37 | 16 | 17 | 6 | 3 |
| Craig McMurtry | Atl | sp | 24 | 4.20 | 7 | 11 | 0 | 37 | 30 | 3 | 0 | 193.0 | 194 | 109 | 90 | 93 | 108 | 16 | 19 |
| Larry McWilliams* | Pit | sp | 30 | 3.01 | 16 | 8 | 0 | 32 | 32 | 5 | 0 | 233.1 | 192 | 86 | 78 | 79 | 156 | 19 | 25 |
| Greg Minton | SF | cl | 32 | 4.92 | 5 | 11 | 15 | 94 | 1 | 0 | 0 | 124.1 | 149 | 80 | 68 | 37 | 35 | 8 | 6 |
| Paul Mirabella* | Sea | mr | 30 | 6.55 | 3 | 7 | 2 | 52 | 1 | 0 | 0 | 57.2 | 69 | 48 | 42 | 32 | 41 | 5 | 7 |
| Charlie Mitchell | Bos | mr | 22 | 4.11 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 15.1 | 13 | 8 | 7 | 2 | 4 | 1 | 2 |
| Sid Monge* |   | mr | 33 | 2.86 | 3 | 1 | 2 | 36 | 0 | 0 | 0 | 69.1 | 52 | 25 | 22 | 30 | 41 | 7 | 8 |
| John Montefusco | NYA | sp | 34 | 2.47 | 7 | 0 | 0 | 11 | 11 | 2 | 1 | 65.2 | 60 | 20 | 18 | 18 | 30 | 4 | 7 |
| Donnie Moore | Atl | cl | 30 | 2.69 | 3 | 1 | 21 | 56 | 0 | 0 | 0 | 80.1 | 76 | 25 | 24 | 14 | 56 | 4 | 5 |
| Mike Moore | Sea | sp | 24 | 4.40 | 9 | 14 | 0 | 33 | 33 | 6 | 1 | 208.2 | 241 | 127 | 102 | 78 | 157 | 13 | 16 |
| Jack Morris | Det | sp | 29 | 3.88 | 17 | 7 | 0 | 35 | 35 | 4 | 1 | 250.2 | 248 | 129 | 108 | 92 | 139 | 25 | 22 |
| Dale Murray | NYA | mr | 34 | 6.26 | 1 | 1 | 0 | 16 | 0 | 0 | 0 | 23.0 | 35 | 17 | 16 | 2 | 10 | 4 | 3 |
| Ron Musselman | Tor | mr | 29 | 5.48 | 0 | 1 | 1 | 10 | 0 | 0 | 0 | 23.0 | 22 | 16 | 14 | 12 | 12 | 4 | 0 |
| Gene Nelson | ChA | mr | 23 | 3.91 | 6 | 2 | 0 | 18 | 9 | 1 | 1 | 76.0 | 74 | 39 | 33 | 13 | 45 | 10 | 9 |
| Tom Niedenfuer | LA | cl | 24 | 4.40 | 3 | 7 | 12 | 36 | 0 | 0 | 0 | 45.0 | 50 | 24 | 22 | 20 | 36 | 3 | 3 |
| Joe Niekro | Hou | sp | 39 | 3.79 | 18 | 10 | 0 | 38 | 38 | 5 | 2 | 235.0 | 202 | 119 | 99 | 108 | 127 | 20 | 17 |
| Phil Niekro | NYA | sp | 45 | 4.14 | 11 | 13 | 0 | 31 | 31 | 4 | 3 | 198.0 | 200 | 101 | 91 | 76 | 140 | 12 | 16 |
| Randy Niemann* | ChA | mr | 28 | 6.43 | 1 | 2 | 0 | 6 | 0 | 0 | 0 | 7.0 | 6 | 5 | 5 | 7 | 3 | 1 | 0 |
| Al Nipper | Bos | sp | 25 | 3.22 | 13 | 9 | 0 | 43 | 24 | 7 | 1 | 209.2 | 196 | 89 | 75 | 58 | 102 | 14 | 8 |
| Dickie Noles |   | mr | 27 | 3.87 | 4 | 6 | 1 | 46 | 7 | 0 | 0 | 132.2 | 137 | 65 | 57 | 51 | 54 | 6 | 19 |
| Edwin Nunez | Sea | mr | 21 | 2.59 | 6 | 3 | 1 | 44 | 0 | 0 | 0 | 62.2 | 48 | 22 | 18 | 17 | 45 | 5 | 5 |
| Randy O'Neal | Det | sp | 23 | 4.91 | 1 | 2 | 0 | 5 | 3 | 0 | 0 | 18.1 | 22 | 14 | 10 | 5 | 6 | 1 | 5 |
| Bobby Ojeda* | Bos | sp | 26 | 4.69 | 8 | 18 | 0 | 32 | 32 | 7 | 0 | 195.2 | 210 | 113 | 102 | 85 | 126 | 23 | 16 |
| Jesse Orosco* | NYN | cl | 27 | 2.54 | 4 | 7 | 25 | 86 | 0 | 0 | 0 | 110.0 | 59 | 34 | 31 | 45 | 115 | 7 | 4 |
| Bob Owchinko* | Cin | mr | 29 | 3.71 | 6 | 4 | 4 | 53 | 4 | 0 | 0 | 97.0 | 83 | 42 | 40 | 36 | 56 | 11 | 5 |
| Rick Ownbey | StL | sp | 26 | 3.26 | 1 | 2 | 0 | 4 | 4 | 0 | 0 | 19.1 | 25 | 7 | 7 | 14 | 14 | 0 | 0 |
| John Pacella | Bal | mr | 27 | 10.80 | 0 | 1 | 0 | 4 | 1 | 0 | 0 | 8.1 | 9 | 11 | 10 | 10 | 0 | 2 | 0 |
| David Palmer | Mon | sp | 26 | 4.23 | 5 | 7 | 0 | 19 | 19 | 1 | 0 | 115.0 | 126 | 58 | 54 | 38 | 84 | 9 | 8 |
| Jim Palmer | Bal | sp | 38 | 7.50 | 0 | 2 | 0 | 6 | 3 | 0 | 0 | 18.0 | 28 | 16 | 15 | 17 | 5 | 1 | 1 |
| Larry Pashnick | Min | mr | 28 | 3.48 | 0 | 2 | 0 | 22 | 1 | 1 | 0 | 62.0 | 63 | 30 | 24 | 23 | 26 | 6 | 3 |
| Frank Pastore | Cin | sp | 26 | 5.59 | 3 | 9 | 2 | 35 | 16 | 0 | 0 | 114.1 | 148 | 75 | 71 | 53 | 59 | 13 | 11 |
| Reggie Patterson | ChN | sp | 25 | 4.05 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 6.2 | 7 | 3 | 3 | 2 | 7 | 0 | 0 |
| Mike Payne | Atl | sp | 22 | 5.14 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 7.0 | 8 | 4 | 4 | 5 | 4 | 0 | 4 |
| Alejandro Pena | LA | sp | 25 | 2.67 | 10 | 11 | 0 | 28 | 28 | 4 | 0 | 185.1 | 178 | 69 | 55 | 49 | 123 | 5 | 14 |
| Pascual Perez | Atl | sp | 27 | 3.35 | 11 | 10 | 0 | 30 | 30 | 0 | 0 | 190.2 | 203 | 90 | 71 | 46 | 121 | 16 | 15 |
| Dan Petry | Det | sp | 25 | 4.64 | 16 | 9 | 0 | 35 | 35 | 10 | 4 | 230.2 | 247 | 126 | 119 | 60 | 141 | 21 | 22 |
| Chuck Porter | Mil | sp | 28 | 2.91 | 5 | 6 | 0 | 19 | 12 | 2 | 0 | 92.2 | 92 | 34 | 30 | 15 | 55 | 9 | 7 |
| Ted Power | Cin | mr | 29 | 3.92 | 7 | 8 | 12 | 78 | 0 | 0 | 0 | 96.1 | 101 | 56 | 42 | 54 | 69 | 4 | 7 |
| Joe Price* | Cin | sp | 27 | 4.49 | 9 | 13 | 1 | 33 | 30 | 2 | 1 | 174.1 | 192 | 100 | 87 | 56 | 140 | 21 | 6 |
| Charlie Puleo | Cin | sp | 29 | 5.85 | 1 | 2 | 0 | 4 | 4 | 0 | 0 | 20.0 | 21 | 15 | 13 | 11 | 3 | 3 | 0 |
| Dan Quisenberry | KC | cl | 31 | 3.09 | 10 | 10 | 17 | 80 | 0 | 0 | 0 | 128.0 | 129 | 50 | 44 | 10 | 48 | 8 | 13 |
| Chuck Rainey |   | sp | 29 | 4.72 | 3 | 8 | 2 | 32 | 16 | 1 | 1 | 114.1 | 153 | 68 | 60 | 49 | 65 | 6 | 9 |
| Dennis Rasmussen* | NYA | sp | 25 | 4.13 | 9 | 9 | 0 | 24 | 24 | 1 | 0 | 148.1 | 134 | 73 | 68 | 69 | 112 | 17 | 8 |
| Shane Rawley* |   | sp | 28 | 3.53 | 9 | 9 | 1 | 29 | 28 | 1 | 1 | 181.0 | 188 | 76 | 71 | 62 | 96 | 11 | 20 |
| Jeff Reardon | Mon | cl | 28 | 4.19 | 5 | 8 | 15 | 73 | 0 | 0 | 0 | 77.1 | 70 | 37 | 36 | 37 | 81 | 4 | 2 |
| Ron Reed | ChA | cl | 41 | 4.60 | 3 | 11 | 15 | 58 | 0 | 0 | 0 | 76.1 | 80 | 45 | 39 | 18 | 66 | 8 | 9 |
| Rick Reuschel | ChN | sp | 35 | 5.72 | 4 | 6 | 1 | 26 | 14 | 0 | 0 | 85.0 | 119 | 56 | 54 | 32 | 23 | 7 | 15 |
| Jerry Reuss* | LA | sp | 35 | 2.65 | 5 | 9 | 1 | 31 | 15 | 4 | 0 | 129.0 | 117 | 42 | 38 | 29 | 59 | 3 | 4 |
| Rick Rhoden | Pit | sp | 31 | 3.19 | 10 | 17 | 0 | 33 | 33 | 8 | 2 | 237.0 | 223 | 100 | 84 | 85 | 127 | 18 | 18 |
| Dave Righetti* | NYA | cl | 25 | 2.36 | 9 | 4 | 22 | 69 | 0 | 0 | 0 | 99.1 | 82 | 29 | 26 | 43 | 107 | 8 | 6 |
| Jose Rijo | NYA | mr | 19 | 6.22 | 2 | 2 | 1 | 20 | 5 | 0 | 0 | 46.1 | 64 | 36 | 32 | 21 | 36 | 5 | 3 |
| George Riley* | SF | sp | 27 | 7.32 | 0 | 2 | 0 | 5 | 4 | 0 | 0 | 19.2 | 34 | 17 | 16 | 6 | 7 | 1 | 1 |
| Bert Roberge | ChA | mr | 29 | 4.54 | 3 | 1 | 2 | 19 | 0 | 0 | 0 | 33.2 | 33 | 17 | 17 | 14 | 23 | 2 | 4 |
| Don Robinson | Pit | mr | 27 | 4.02 | 7 | 13 | 5 | 64 | 1 | 0 | 0 | 94.0 | 94 | 48 | 42 | 37 | 80 | 2 | 6 |
| Jeff Robinson | SF | sp | 23 | 4.59 | 9 | 10 | 0 | 34 | 33 | 1 | 0 | 174.1 | 213 | 102 | 89 | 59 | 108 | 10 | 13 |
| Ron Robinson | Cin | mr | 22 | 3.33 | 3 | 0 | 0 | 9 | 5 | 2 | 0 | 46.0 | 42 | 18 | 17 | 11 | 28 | 5 | 2 |
| Rich Rodas* | LA | mr | 24 | 3.00 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 6.0 | 3 | 2 | 2 | 1 | 1 | 1 | 0 |
| Steve Rogers | Mon | sp | 34 | 5.45 | 3 | 20 | 0 | 29 | 28 | 1 | 0 | 157.0 | 182 | 123 | 95 | 82 | 74 | 12 | 7 |
| Jose Roman | Cle | sp | 21 | 7.50 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 6.0 | 8 | 5 | 5 | 9 | 3 | 0 | 1 |
| Ron Romanick | Cal | sp | 23 | 4.51 | 12 | 18 | 0 | 33 | 33 | 6 | 1 | 197.2 | 239 | 126 | 99 | 54 | 75 | 24 | 16 |
| Dave Rozema | Det | sp | 27 | 3.35 | 9 | 5 | 0 | 29 | 16 | 2 | 1 | 139.2 | 135 | 59 | 52 | 19 | 47 | 15 | 20 |
| Dave Rucker* | StL | mr | 26 | 2.63 | 7 | 3 | 9 | 76 | 0 | 0 | 0 | 99.1 | 73 | 31 | 29 | 47 | 49 | 0 | 8 |
| Vern Ruhle | Hou | mr | 33 | 3.49 | 4 | 5 | 1 | 46 | 6 | 0 | 0 | 111.0 | 119 | 50 | 43 | 19 | 66 | 6 | 9 |
| Jeff Russell | Cin | sp | 22 | 4.40 | 6 | 15 | 0 | 34 | 30 | 0 | 0 | 178.0 | 195 | 105 | 87 | 61 | 86 | 19 | 9 |
| Dick Ruthven | ChN | sp | 33 | 5.74 | 4 | 12 | 0 | 23 | 23 | 1 | 0 | 125.1 | 158 | 89 | 80 | 48 | 61 | 11 | 6 |
| Nolan Ryan | Hou | sp | 37 | 2.96 | 13 | 7 | 0 | 30 | 30 | 4 | 1 | 201.0 | 150 | 73 | 66 | 73 | 208 | 9 | 9 |
| Bret Saberhagen | KC | mr | 20 | 3.52 | 9 | 8 | 1 | 35 | 18 | 3 | 1 | 168.2 | 156 | 69 | 66 | 28 | 70 | 16 | 11 |
| Joe Sambito* | Hou | mr | 32 | 6.05 | 1 | 3 | 3 | 33 | 0 | 0 | 0 | 41.2 | 48 | 31 | 28 | 15 | 29 | 5 | 6 |
| Luis Sanchez | Cal | mr | 30 | 4.98 | 3 | 5 | 8 | 34 | 0 | 0 | 0 | 43.1 | 56 | 24 | 24 | 9 | 29 | 11 | 3 |
| Scott Sanderson | ChN | sp | 27 | 2.65 | 12 | 8 | 0 | 24 | 24 | 9 | 4 | 163.0 | 157 | 60 | 48 | 26 | 85 | 4 | 16 |
| Dan Schatzeder* | Mon | mr | 29 | 2.26 | 9 | 4 | 1 | 35 | 14 | 3 | 0 | 135.1 | 105 | 41 | 34 | 46 | 95 | 8 | 15 |
| Bill Scherrer* |   | mr | 26 | 2.28 | 4 | 1 | 0 | 46 | 0 | 0 | 0 | 67.0 | 64 | 21 | 17 | 25 | 43 | 2 | 8 |
| Calvin Schiraldi | NYN | sp | 22 | 4.15 | 1 | 0 | 0 | 3 | 3 | 0 | 0 | 17.1 | 24 | 8 | 8 | 7 | 16 | 2 | 2 |
| Dave Schmidt | Tex | cl | 27 | 2.90 | 10 | 9 | 2 | 58 | 0 | 0 | 0 | 77.2 | 103 | 35 | 25 | 26 | 44 | 4 | 8 |
| Ken Schrom | Min | sp | 29 | 3.05 | 6 | 10 | 0 | 21 | 21 | 4 | 2 | 147.1 | 160 | 59 | 50 | 34 | 42 | 12 | 9 |
| Don Schulze |   | sp | 21 | 4.81 | 3 | 5 | 0 | 17 | 15 | 1 | 0 | 82.1 | 100 | 54 | 44 | 26 | 41 | 9 | 9 |
| Mike Scott | Hou | sp | 29 | 3.72 | 9 | 12 | 0 | 29 | 29 | 2 | 1 | 171.2 | 177 | 77 | 71 | 64 | 103 | 13 | 19 |
| Rod Scurry* | Pit | mr | 28 | 2.36 | 3 | 6 | 2 | 32 | 0 | 0 | 0 | 42.0 | 24 | 13 | 11 | 15 | 43 | 2 | 1 |
| Ray Searage* | Mil | cl | 29 | 2.25 | 3 | 2 | 9 | 24 | 0 | 0 | 0 | 44.0 | 27 | 11 | 11 | 14 | 39 | 3 | 2 |
| Tom Seaver | ChA | sp | 39 | 4.53 | 12 | 15 | 0 | 33 | 33 | 8 | 2 | 216.1 | 229 | 123 | 109 | 63 | 116 | 28 | 10 |
| Bob Shirley* | NYA | mr | 30 | 3.30 | 9 | 8 | 3 | 49 | 7 | 1 | 1 | 117.1 | 126 | 49 | 43 | 37 | 48 | 7 | 20 |
| Eric Show | SD | sp | 28 | 4.18 | 13 | 14 | 0 | 32 | 32 | 5 | 2 | 208.2 | 200 | 105 | 97 | 99 | 112 | 22 | 13 |
| Doug Sisk | NYN | cl | 26 | 2.74 | 8 | 5 | 6 | 63 | 0 | 0 | 0 | 72.1 | 57 | 25 | 22 | 39 | 27 | 0 | 10 |
| Jim Slaton | Cal | sp | 34 | 3.97 | 6 | 8 | 0 | 32 | 22 | 4 | 0 | 174.2 | 197 | 95 | 77 | 46 | 70 | 19 | 15 |
| Bryn Smith | Mon | sp | 28 | 3.62 | 8 | 10 | 0 | 29 | 28 | 4 | 1 | 186.2 | 189 | 86 | 75 | 51 | 118 | 20 | 11 |
| Dave Smith | Hou | mr | 29 | 3.12 | 4 | 6 | 11 | 62 | 0 | 0 | 0 | 86.2 | 81 | 35 | 30 | 21 | 64 | 6 | 4 |
| Lee Smith | ChN | cl | 26 | 3.29 | 16 | 4 | 18 | 79 | 0 | 0 | 0 | 109.1 | 117 | 48 | 40 | 31 | 84 | 11 | 5 |
| Mike Smith | Cin | mr | 23 | 6.00 | 1 | 1 | 0 | 12 | 0 | 0 | 0 | 9.0 | 9 | 8 | 6 | 6 | 7 | 2 | 0 |
| Roy Smith | Cle | sp | 22 | 6.81 | 5 | 6 | 0 | 19 | 14 | 0 | 0 | 72.2 | 84 | 60 | 55 | 34 | 48 | 17 | 4 |
| Zane Smith* | Atl | sp | 23 | 2.65 | 1 | 2 | 0 | 3 | 3 | 1 | 1 | 17.0 | 17 | 8 | 5 | 7 | 12 | 0 | 4 |
| Mike Smithson | Min | sp | 29 | 3.07 | 16 | 9 | 0 | 36 | 36 | 8 | 2 | 263.2 | 235 | 104 | 90 | 65 | 132 | 30 | 18 |
| Nate Snell | Bal | mr | 31 | 0.00 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 4.1 | 1 | 0 | 0 | 1 | 3 | 0 | 0 |
| Julio Solano | Hou | mr | 24 | 1.50 | 3 | 1 | 0 | 30 | 0 | 0 | 0 | 54.0 | 35 | 13 | 9 | 10 | 35 | 4 | 7 |
| Lary Sorensen | Oak | mr | 28 | 4.26 | 8 | 6 | 0 | 33 | 21 | 1 | 1 | 162.2 | 208 | 86 | 77 | 43 | 44 | 10 | 20 |
| Mario Soto | Cin | sp | 27 | 2.81 | 16 | 11 | 0 | 36 | 33 | 9 | 3 | 243.2 | 168 | 93 | 76 | 89 | 179 | 20 | 8 |
| Dan Spillner |   | mr | 32 | 4.98 | 1 | 4 | 2 | 35 | 8 | 0 | 0 | 103.0 | 124 | 63 | 57 | 37 | 48 | 13 | 6 |
| Paul Splittorff* | KC | mr | 37 | 10.80 | 0 | 2 | 0 | 13 | 3 | 0 | 0 | 18.1 | 38 | 28 | 22 | 10 | 1 | 1 | 2 |
| Bob Stanley | Bos | cl | 29 | 3.81 | 3 | 9 | 20 | 78 | 0 | 0 | 0 | 115.2 | 122 | 54 | 49 | 21 | 59 | 10 | 19 |
| Mike Stanton | Sea | mr | 31 | 2.50 | 8 | 7 | 14 | 63 | 0 | 0 | 0 | 82.2 | 79 | 30 | 23 | 28 | 70 | 2 | 6 |
| Rick Steirer | Cal | sp | 27 | 27.00 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 2.0 | 10 | 6 | 6 | 0 | 2 | 0 | 0 |
| Dave Stewart | Tex | sp | 27 | 2.93 | 8 | 9 | 0 | 36 | 27 | 2 | 2 | 190.2 | 152 | 83 | 62 | 83 | 127 | 14 | 9 |
| Sammy Stewart | Bal | mr | 29 | 3.95 | 5 | 14 | 15 | 66 | 0 | 0 | 0 | 79.2 | 87 | 37 | 35 | 40 | 42 | 2 | 7 |
| Dave Stieb | Tor | sp | 26 | 3.38 | 19 | 12 | 0 | 35 | 35 | 14 | 3 | 260.2 | 231 | 102 | 98 | 88 | 208 | 18 | 14 |
| Bob Stoddard | Sea | mr | 27 | 4.09 | 3 | 3 | 1 | 23 | 6 | 2 | 0 | 77.0 | 88 | 42 | 35 | 33 | 36 | 9 | 8 |
| Tim Stoddard | ChN | mr | 31 | 5.40 | 4 | 5 | 10 | 55 | 0 | 0 | 0 | 65.0 | 71 | 44 | 39 | 42 | 64 | 10 | 3 |
| John Stuper | StL | sp | 27 | 3.86 | 4 | 3 | 0 | 12 | 12 | 1 | 0 | 67.2 | 77 | 31 | 29 | 12 | 13 | 3 | 10 |
| Rick Sutcliffe |   | sp | 28 | 3.91 | 9 | 13 | 0 | 35 | 35 | 6 | 0 | 232.2 | 226 | 113 | 101 | 75 | 182 | 14 | 13 |
| Bruce Sutter | StL | cl | 31 | 2.55 | 13 | 8 | 16 | 83 | 0 | 0 | 0 | 120.0 | 119 | 37 | 34 | 33 | 74 | 9 | 19 |
| Don Sutton | Mil | sp | 39 | 4.13 | 12 | 11 | 0 | 33 | 33 | 5 | 2 | 191.2 | 207 | 94 | 88 | 55 | 130 | 10 | 9 |
| Bill Swaggerty | Bal | mr | 27 | 4.88 | 3 | 4 | 0 | 24 | 6 | 0 | 0 | 75.2 | 86 | 49 | 41 | 32 | 27 | 7 | 8 |
| Craig Swan |   | mr | 33 | 4.91 | 0 | 1 | 1 | 3 | 1 | 0 | 0 | 11.0 | 10 | 7 | 6 | 1 | 6 | 2 | 1 |
| Frank Tanana* | Tex | sp | 30 | 3.87 | 12 | 13 | 0 | 35 | 35 | 8 | 1 | 220.2 | 207 | 109 | 95 | 65 | 108 | 24 | 13 |
| Kent Tekulve | Pit | mr | 37 | 4.42 | 9 | 7 | 13 | 77 | 0 | 0 | 0 | 93.2 | 118 | 49 | 46 | 28 | 40 | 4 | 12 |
| Tom Tellmann | Mil | mr | 30 | 4.50 | 1 | 2 | 0 | 55 | 0 | 0 | 0 | 100.0 | 118 | 57 | 50 | 25 | 40 | 16 | 11 |
| Walt Terrell | NYN | sp | 26 | 4.90 | 9 | 12 | 0 | 33 | 33 | 3 | 1 | 196.1 | 242 | 116 | 107 | 78 | 106 | 16 | 12 |
| Roy Thomas | Sea | mr | 31 | 6.66 | 1 | 1 | 1 | 29 | 1 | 0 | 0 | 52.2 | 65 | 43 | 39 | 47 | 37 | 10 | 5 |
| Mark Thurmond* | SD | sp | 27 | 2.46 | 13 | 6 | 0 | 30 | 29 | 5 | 1 | 208.1 | 188 | 65 | 57 | 68 | 65 | 12 | 27 |
| Jay Tibbs | Cin | sp | 22 | 4.54 | 3 | 6 | 0 | 14 | 14 | 3 | 0 | 85.1 | 83 | 45 | 43 | 37 | 28 | 4 | 8 |
| Dick Tidrow | NYN | mr | 37 | 10.80 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 5.0 | 7 | 7 | 6 | 5 | 3 | 0 | 0 |
| Dave Tobik | Tex | mr | 31 | 7.35 | 2 | 5 | 9 | 37 | 0 | 0 | 0 | 56.1 | 67 | 47 | 46 | 17 | 30 | 15 | 7 |
| Freddie Toliver | Cin | sp | 23 | 1.00 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 9.0 | 6 | 1 | 1 | 5 | 3 | 0 | 0 |
| Mike Torrez |   | sp | 37 | 7.08 | 1 | 5 | 0 | 9 | 8 | 0 | 0 | 34.1 | 56 | 29 | 27 | 13 | 18 | 3 | 1 |
| Steve Trout* | ChN | sp | 26 | 3.13 | 13 | 7 | 0 | 31 | 31 | 6 | 2 | 218.1 | 218 | 82 | 76 | 71 | 96 | 7 | 40 |
| John Tudor* | Pit | sp | 30 | 2.86 | 10 | 6 | 0 | 32 | 32 | 4 | 1 | 229.2 | 180 | 80 | 73 | 62 | 150 | 15 | 5 |
| Lee Tunnell | Pit | mr | 23 | 5.27 | 2 | 6 | 0 | 23 | 6 | 1 | 0 | 54.2 | 59 | 34 | 32 | 37 | 45 | 5 | 5 |
| Jerry Ujdur | Cle | sp | 27 | 5.19 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 8.2 | 15 | 6 | 5 | 5 | 2 | 0 | 2 |
| Tom Underwood* | Bal | mr | 30 | 4.44 | 2 | 3 | 2 | 37 | 1 | 0 | 0 | 79.0 | 85 | 40 | 39 | 32 | 36 | 9 | 7 |
| Fernando Valenzuela* | LA | sp | 23 | 2.43 | 14 | 16 | 0 | 34 | 34 | 14 | 3 | 259.1 | 191 | 85 | 70 | 90 | 252 | 13 | 15 |
| Ed Vande Berg* | Sea | mr | 25 | 5.80 | 6 | 11 | 3 | 30 | 17 | 1 | 0 | 102.1 | 135 | 76 | 66 | 56 | 58 | 9 | 12 |
| Frank Viola* | Min | sp | 24 | 3.38 | 16 | 8 | 0 | 35 | 35 | 9 | 2 | 242.1 | 196 | 96 | 91 | 88 | 131 | 27 | 13 |
| Dave Von Ohlen* | StL | mr | 25 | 2.50 | 0 | 1 | 1 | 24 | 0 | 0 | 0 | 36.0 | 37 | 15 | 10 | 6 | 21 | 2 | 5 |
| Tom Waddell | Cle | mr | 25 | 3.55 | 8 | 0 | 0 | 52 | 0 | 0 | 0 | 99.0 | 92 | 48 | 39 | 37 | 49 | 14 | 5 |
| Rick Waits* | Mil | mr | 32 | 2.64 | 7 | 3 | 3 | 56 | 1 | 0 | 0 | 78.1 | 81 | 25 | 23 | 24 | 56 | 7 | 6 |
| Bob Walk | Pit | sp | 27 | 3.21 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 14.0 | 8 | 6 | 5 | 3 | 9 | 1 | 1 |
| Mike Walters | Min | mr | 26 | 4.97 | 1 | 6 | 2 | 26 | 0 | 0 | 0 | 41.2 | 37 | 23 | 23 | 20 | 16 | 2 | 6 |
| Mike Warren | Oak | sp | 23 | 3.87 | 8 | 6 | 3 | 27 | 12 | 0 | 0 | 95.1 | 118 | 44 | 41 | 26 | 82 | 9 | 5 |
| Dave Wehrmeister | Phi | mr | 31 | 5.46 | 2 | 2 | 1 | 15 | 0 | 0 | 0 | 28.0 | 30 | 18 | 17 | 5 | 24 | 2 | 2 |
| Bob Welch | LA | sp | 27 | 4.10 | 7 | 14 | 0 | 30 | 29 | 1 | 0 | 186.2 | 211 | 101 | 85 | 52 | 148 | 15 | 10 |
| Larry White | LA | mr | 25 | 3.52 | 2 | 3 | 0 | 15 | 1 | 0 | 0 | 23.0 | 20 | 9 | 9 | 5 | 17 | 4 | 1 |
| Len Whitehouse* | Min | mr | 26 | 3.51 | 3 | 4 | 6 | 36 | 0 | 0 | 0 | 41.0 | 36 | 18 | 16 | 17 | 23 | 2 | 5 |
| Eddie Whitson | SD | sp | 29 | 2.73 | 13 | 8 | 0 | 32 | 31 | 6 | 3 | 214.0 | 195 | 82 | 65 | 64 | 103 | 15 | 21 |
| Milt Wilcox | Det | sp | 34 | 3.62 | 14 | 4 | 0 | 33 | 33 | 3 | 1 | 221.1 | 195 | 109 | 89 | 72 | 120 | 24 | 17 |
| Albert Williams | Min | sp | 30 | 9.59 | 1 | 9 | 0 | 15 | 11 | 0 | 0 | 56.1 | 81 | 62 | 60 | 21 | 23 | 11 | 3 |
| Frank Williams | SF | mr | 26 | 3.41 | 6 | 3 | 2 | 54 | 1 | 0 | 0 | 92.1 | 82 | 42 | 35 | 45 | 84 | 2 | 7 |
| Carl Willis |   | cl | 23 | 2.70 | 0 | 0 | 0 | 14 | 2 | 0 | 0 | 26.2 | 29 | 12 | 8 | 5 | 1 | 0 | 4 |
| Frank Wills | KC | sp | 25 | 9.26 | 0 | 2 | 0 | 12 | 5 | 0 | 0 | 35.0 | 58 | 38 | 36 | 21 | 24 | 2 | 1 |
| Jim Winn | Pit | mr | 24 | 9.35 | 0 | 2 | 0 | 6 | 0 | 0 | 0 | 8.2 | 13 | 11 | 9 | 5 | 5 | 1 | 2 |
| Mike Witt | Cal | sp | 23 | 3.62 | 14 | 14 | 0 | 34 | 34 | 14 | 5 | 256.0 | 251 | 117 | 103 | 81 | 197 | 15 | 18 |
| Ricky Wright* | Tex | mr | 25 | 8.41 | 0 | 0 | 0 | 8 | 1 | 0 | 0 | 20.1 | 30 | 20 | 19 | 15 | 10 | 3 | 4 |
| Curt Young* | Oak | sp | 24 | 3.50 | 9 | 3 | 0 | 17 | 17 | 4 | 1 | 118.1 | 122 | 54 | 46 | 22 | 36 | 9 | 12 |
| Matt Young* | Sea | sp | 25 | 5.79 | 2 | 11 | 0 | 22 | 22 | 1 | 0 | 121.1 | 171 | 93 | 78 | 57 | 63 | 13 | 11 |
| Pat Zachry | LA | mr | 32 | 3.46 | 2 | 2 | 8 | 64 | 0 | 0 | 0 | 80.2 | 86 | 35 | 31 | 39 | 40 | 4 | 6 |
| Geoff Zahn* | Cal | sp | 38 | 3.03 | 13 | 9 | 0 | 27 | 27 | 12 | 3 | 207.2 | 200 | 82 | 70 | 57 | 56 | 10 | 31 |
| Secondary |
| Name | Team | P | Age | SB | CS | IW | HBP | WP | BK | SH | SF | H/9 | BB/9 | R/9 | K/9 | HR/9 | K/BB | WHIP |
| Don Aase | Cal | cl | 29 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 6.1 | 3.4 | 9.8 | 6.4 | 0.7 | 1.9 | 1.06 |
| Glenn Abbott | Det | sp | 33 | 2 | 1 | 0 | 2 | 0 | 0 | 1 | 2 | 10.4 | 1.4 | 12.0 | 1.6 | 1.0 | 1.2 | 1.31 |
| Jim Acker | Tor | mr | 25 | 4 | 3 | 0 | 7 | 3 | 0 | 3 | 2 | 8.6 | 3.0 | 12.4 | 4.2 | 0.5 | 1.4 | 1.29 |
| Juan Agosto* | ChA | mr | 26 | 3 | 2 | 8 | 3 | 2 | 0 | 7 | 4 | 11.2 | 6.8 | 18.4 | 4.6 | 0.9 | 0.7 | 2.00 |
| Doyle Alexander | Tor | sp | 33 | 11 | 4 | 4 | 8 | 1 | 0 | 5 | 10 | 9.1 | 1.8 | 11.2 | 4.5 | 0.7 | 2.5 | 1.21 |
| Neil Allen | StL | mr | 26 | 1 | 6 | 3 | 1 | 3 | 0 | 1 | 2 | 8.2 | 3.0 | 11.3 | 5.5 | 0.6 | 1.8 | 1.24 |
| Porfi Altamirano | ChN | mr | 32 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 4.5 | 0.0 | 6.0 | 4.5 | 0.0 | 99.0 | 0.50 |
| Larry Andersen | Phi | mr | 31 | 18 | 6 | 5 | 0 | 2 | 2 | 0 | 2 | 8.5 | 3.6 | 12.1 | 5.2 | 0.7 | 1.4 | 1.35 |
| Joaquin Andujar | StL | sp | 31 | 25 | 8 | 5 | 4 | 6 | 3 | 6 | 4 | 6.9 | 2.7 | 9.7 | 4.9 | 0.5 | 1.8 | 1.06 |
| Luis Aponte | Cle | mr | 31 | 1 | 1 | 0 | 3 | 1 | 1 | 2 | 1 | 7.5 | 2.7 | 10.7 | 4.4 | 0.8 | 1.6 | 1.14 |
| Mike Armstrong | NYA | mr | 30 | 7 | 0 | 2 | 0 | 1 | 0 | 2 | 2 | 8.4 | 4.8 | 13.2 | 6.9 | 1.2 | 1.5 | 1.47 |
| Keith Atherton | Oak | mr | 25 | 4 | 7 | 3 | 2 | 2 | 0 | 5 | 10 | 8.2 | 2.6 | 11.0 | 5.1 | 1.0 | 2.0 | 1.20 |
| Jerry Augustine* | Mil | mr | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 27.0 | 27.0 | 0.0 | 0.0 | 0.0 | 3.00 |
| Doug Bair | Det | mr | 34 | 3 | 3 | 0 | 2 | 3 | 0 | 2 | 4 | 6.7 | 3.1 | 10.0 | 4.0 | 1.2 | 1.3 | 1.09 |
| Floyd Bannister* | ChA | sp | 29 | 11 | 12 | 4 | 4 | 5 | 0 | 5 | 7 | 9.9 | 3.6 | 13.7 | 6.5 | 1.0 | 1.8 | 1.50 |
| Greg Bargar | Mon | sp | 25 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 15.4 | 11.6 | 27.0 | 3.9 | 1.9 | 0.3 | 3.00 |
| Len Barker | Atl | sp | 28 | 24 | 7 | 4 | 4 | 3 | 4 | 8 | 3 | 8.6 | 3.2 | 12.1 | 6.7 | 0.9 | 2.1 | 1.32 |
| Salome Barojas |   | sp | 27 | 6 | 6 | 12 | 2 | 6 | 3 | 1 | 5 | 8.4 | 3.9 | 12.5 | 3.8 | 0.8 | 1.0 | 1.37 |
| Dave Beard | Sea | mr | 24 | 5 | 0 | 7 | 2 | 6 | 2 | 1 | 4 | 10.2 | 3.9 | 14.3 | 4.5 | 2.2 | 1.1 | 1.57 |
| Jim Beattie | Sea | sp | 29 | 9 | 10 | 2 | 6 | 4 | 0 | 5 | 12 | 10.2 | 3.3 | 13.8 | 5.1 | 0.7 | 1.5 | 1.50 |
| Joe Beckwith | KC | mr | 29 | 9 | 0 | 2 | 5 | 2 | 0 | 3 | 4 | 8.7 | 3.3 | 12.7 | 7.5 | 1.0 | 2.3 | 1.34 |
| Steve Bedrosian | Atl | cl | 26 | 7 | 1 | 8 | 2 | 8 | 0 | 4 | 4 | 6.8 | 3.1 | 10.0 | 7.0 | 0.4 | 2.3 | 1.09 |
| Andy Beene | Mil | sp | 27 | 5 | 0 | 0 | 6 | 1 | 1 | 2 | 0 | 12.9 | 3.4 | 18.9 | 4.3 | 1.3 | 1.3 | 1.81 |
| Rick Behenna | Cle | sp | 24 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 15.4 | 19.3 | 36.6 | 1.9 | 3.9 | 0.1 | 3.86 |
| Juan Berenguer | Det | sp | 29 | 5 | 2 | 1 | 1 | 7 | 1 | 3 | 10 | 8.4 | 4.7 | 13.2 | 5.4 | 0.9 | 1.1 | 1.46 |
| Bruce Berenyi |   | sp | 29 | 30 | 9 | 6 | 3 | 11 | 0 | 11 | 3 | 8.9 | 4.3 | 13.4 | 6.8 | 0.6 | 1.6 | 1.47 |
| Jeff Bettendorf | Oak | cl | 23 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 6.5 | 4.7 | 11.2 | 4.7 | 0.9 | 1.0 | 1.24 |
| Jim Bibby | Tex | mr | 39 | 5 | 1 | 2 | 0 | 4 | 0 | 0 | 0 | 11.1 | 3.9 | 15.0 | 6.0 | 0.6 | 1.5 | 1.67 |
| Bud Black* | KC | sp | 27 | 10 | 8 | 9 | 7 | 2 | 1 | 2 | 4 | 7.6 | 2.7 | 10.6 | 4.7 | 0.6 | 1.7 | 1.15 |
| Bert Blyleven | Cle | sp | 33 | 11 | 8 | 4 | 4 | 11 | 0 | 6 | 8 | 7.7 | 2.5 | 10.3 | 5.3 | 0.7 | 2.2 | 1.13 |
| Mike Boddicker | Bal | sp | 26 | 20 | 9 | 2 | 2 | 6 | 2 | 3 | 7 | 8.6 | 3.0 | 11.7 | 3.9 | 0.8 | 1.3 | 1.29 |
| Greg Booker | SD | mr | 24 | 8 | 2 | 4 | 0 | 7 | 0 | 7 | 4 | 9.9 | 3.6 | 13.6 | 4.0 | 0.4 | 1.1 | 1.51 |
| Rich Bordi | ChN | mr | 25 | 4 | 2 | 3 | 0 | 0 | 0 | 1 | 1 | 8.3 | 3.0 | 11.3 | 3.0 | 1.2 | 1.0 | 1.26 |
| Oil Can Boyd | Bos | sp | 24 | 4 | 3 | 1 | 3 | 6 | 1 | 6 | 6 | 8.3 | 1.8 | 10.1 | 5.9 | 0.7 | 3.4 | 1.11 |
| Fred Breining | Mon | mr | 28 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 9.8 | 10.5 | 21.0 | 6.0 | 0.0 | 0.6 | 2.25 |
| Tom Brennan | ChA | mr | 31 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9.9 | 3.6 | 13.5 | 1.8 | 2.7 | 0.5 | 1.50 |
| Tony Brizzolara | Atl | mr | 27 | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 7.1 | 4.0 | 11.0 | 3.1 | 0.9 | 0.8 | 1.23 |
| Curt Brown | NYA | mr | 24 | 2 | 1 | 3 | 0 | 1 | 0 | 0 | 1 | 8.8 | 4.2 | 13.0 | 5.7 | 1.0 | 1.4 | 1.44 |
| Mark Brown | Bal | mr | 24 | 4 | 3 | 0 | 0 | 2 | 0 | 2 | 1 | 8.8 | 1.4 | 10.2 | 3.1 | 0.4 | 2.1 | 1.14 |
| Mike Brown | Bos | sp | 25 | 6 | 1 | 2 | 2 | 5 | 2 | 0 | 0 | 11.0 | 2.0 | 13.2 | 5.0 | 0.8 | 2.5 | 1.44 |
| Steve Brown | Cal | sp | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11.1 | 10.3 | 21.4 | 4.8 | 0.8 | 0.5 | 2.38 |
| Tom Browning* | Cin | sp | 24 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 8.5 | 1.8 | 10.7 | 6.0 | 0.0 | 3.4 | 1.14 |
| Warren Brusstar | ChN | mr | 32 | 9 | 2 | 2 | 1 | 1 | 0 | 5 | 1 | 9.6 | 1.9 | 11.7 | 6.4 | 0.7 | 3.4 | 1.28 |
| Tom Burgmeier* | Oak | mr | 40 | 1 | 1 | 3 | 1 | 2 | 0 | 0 | 4 | 6.0 | 2.8 | 9.0 | 3.5 | 0.9 | 1.3 | 0.98 |
| Britt Burns* | ChA | mr | 25 | 17 | 2 | 3 | 1 | 3 | 0 | 2 | 5 | 9.6 | 3.1 | 12.8 | 6.8 | 0.4 | 2.2 | 1.41 |
| Ray Burris | Oak | sp | 33 | 1 | 4 | 2 | 5 | 9 | 1 | 3 | 6 | 8.6 | 4.1 | 13.0 | 4.0 | 0.8 | 1.0 | 1.41 |
| John Butcher | Min | sp | 27 | 10 | 4 | 3 | 7 | 4 | 0 | 5 | 5 | 10.1 | 2.1 | 12.4 | 3.1 | 1.1 | 1.5 | 1.35 |
| Marty Bystrom |   | sp | 25 | 12 | 6 | 4 | 2 | 1 | 8 | 1 | 2 | 10.0 | 3.9 | 14.1 | 5.7 | 1.2 | 1.5 | 1.54 |
| Mike Caldwell* | Mil | sp | 35 | 5 | 1 | 2 | 1 | 0 | 2 | 4 | 4 | 10.2 | 1.4 | 11.6 | 2.2 | 1.0 | 1.6 | 1.28 |
| Jeff Calhoun* | Hou | mr | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 0.6 | 2.8 | 5.0 | 0.0 | 9.0 | 0.31 |
| Mark Calvert | SF | sp | 27 | 4 | 1 | 0 | 1 | 0 | 0 | 4 | 1 | 10.2 | 2.8 | 13.3 | 1.6 | 0.9 | 0.6 | 1.45 |
| Ernie Camacho | Cle | cl | 29 | 8 | 1 | 7 | 5 | 6 | 1 | 6 | 8 | 8.1 | 3.4 | 11.8 | 4.5 | 0.4 | 1.3 | 1.27 |
| Rick Camp | Atl | sp | 31 | 32 | 5 | 2 | 3 | 2 | 2 | 8 | 8 | 8.3 | 3.8 | 12.3 | 4.4 | 0.6 | 1.2 | 1.34 |
| Bill Campbell | Phi | mr | 35 | 21 | 2 | 5 | 1 | 7 | 3 | 3 | 0 | 7.0 | 3.0 | 10.1 | 5.7 | 0.2 | 1.9 | 1.11 |
| John Candelaria* | Pit | sp | 30 | 3 | 4 | 6 | 3 | 0 | 1 | 2 | 5 | 7.5 | 1.3 | 8.9 | 6.8 | 0.5 | 5.3 | 0.97 |
| Tom Candiotti | Mil | sp | 26 | 0 | 1 | 1 | 1 | 2 | 0 | 2 | 0 | 12.0 | 3.9 | 16.2 | 5.7 | 1.8 | 1.5 | 1.77 |
| Steve Carlton* | Phi | sp | 39 | 22 | 9 | 7 | 0 | 5 | 2 | 5 | 4 | 8.7 | 3.5 | 12.2 | 5.9 | 0.8 | 1.7 | 1.36 |
| Don Carman* | Phi | mr | 24 | 0 | 0 | 2 | 0 | 2 | 0 | 1 | 0 | 7.2 | 2.7 | 9.9 | 8.1 | 0.9 | 3.0 | 1.10 |
| Bobby Castillo | Min | mr | 29 | 7 | 0 | 2 | 1 | 1 | 0 | 1 | 4 | 5.7 | 5.5 | 11.5 | 3.5 | 0.6 | 0.6 | 1.25 |
| Keefe Cato | Cin | mr | 26 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 14.3 | 1.6 | 15.9 | 7.9 | 3.7 | 5.0 | 1.76 |
| Bill Caudill | Oak | cl | 27 | 5 | 2 | 5 | 0 | 0 | 0 | 1 | 3 | 6.2 | 3.7 | 9.8 | 8.7 | 0.4 | 2.4 | 1.09 |
| Floyd Chiffer | SD | mr | 28 | 9 | 2 | 0 | 0 | 4 | 1 | 1 | 2 | 16.1 | 3.8 | 19.9 | 6.6 | 0.0 | 1.8 | 2.21 |
| Clay Christiansen | NYA | mr | 26 | 2 | 1 | 2 | 0 | 1 | 0 | 1 | 1 | 11.2 | 2.9 | 14.2 | 6.1 | 0.8 | 2.1 | 1.57 |
| Ralph Citarella | StL | mr | 26 | 5 | 1 | 2 | 4 | 0 | 0 | 1 | 1 | 6.9 | 2.6 | 10.6 | 7.2 | 0.0 | 2.8 | 1.05 |
| Jim Clancy | Tor | sp | 28 | 17 | 6 | 4 | 1 | 5 | 0 | 5 | 8 | 11.4 | 3.9 | 15.4 | 5.0 | 1.4 | 1.3 | 1.70 |
| Bryan Clark* | Tor | mr | 27 | 3 | 3 | 1 | 1 | 14 | 0 | 1 | 2 | 14.5 | 5.5 | 20.0 | 4.4 | 1.1 | 0.8 | 2.21 |
| Mark Clear | Bos | mr | 28 | 8 | 2 | 0 | 0 | 7 | 0 | 4 | 4 | 8.6 | 11.2 | 19.8 | 11.8 | 0.6 | 1.1 | 2.20 |
| Roger Clemens | Bos | sp | 21 | 17 | 7 | 1 | 2 | 3 | 0 | 1 | 4 | 10.7 | 2.5 | 13.4 | 8.1 | 0.8 | 3.2 | 1.48 |
| Jaime Cocanower | Mil | sp | 27 | 8 | 8 | 6 | 10 | 12 | 1 | 6 | 5 | 8.4 | 4.8 | 13.7 | 2.5 | 0.8 | 0.5 | 1.46 |
| Chris Codiroli | Oak | sp | 26 | 14 | 3 | 2 | 5 | 1 | 0 | 6 | 4 | 9.3 | 3.2 | 13.0 | 3.7 | 1.2 | 1.2 | 1.39 |
| Steve Comer | Cle | sp | 30 | 7 | 3 | 1 | 3 | 2 | 0 | 1 | 3 | 11.9 | 2.3 | 14.5 | 2.7 | 0.7 | 1.1 | 1.58 |
| Keith Comstock* | Min | mr | 28 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 16.5 | 6.1 | 22.6 | 4.4 | 3.5 | 0.7 | 2.52 |
| Tim Conroy* | Oak | mr | 24 | 15 | 4 | 4 | 2 | 9 | 0 | 7 | 3 | 7.9 | 7.1 | 15.2 | 6.0 | 0.9 | 0.9 | 1.67 |
| Doug Corbett | Cal | mr | 31 | 2 | 2 | 6 | 1 | 4 | 0 | 1 | 3 | 5.7 | 3.1 | 9.0 | 5.0 | 0.6 | 1.6 | 0.98 |
| Jeff Cornell | SF | mr | 27 | 4 | 1 | 0 | 1 | 3 | 1 | 2 | 6 | 11.4 | 4.2 | 15.8 | 4.2 | 0.4 | 1.0 | 1.73 |
| Joe Cowley | NYA | sp | 25 | 3 | 3 | 4 | 3 | 3 | 2 | 0 | 2 | 10.0 | 3.4 | 13.8 | 7.8 | 1.1 | 2.3 | 1.49 |
| Danny Cox | StL | sp | 24 | 7 | 3 | 11 | 9 | 3 | 12 | 8 | 5 | 9.6 | 3.5 | 13.6 | 4.1 | 0.6 | 1.2 | 1.45 |
| Steve Crawford | Bos | mr | 26 | 1 | 2 | 1 | 2 | 9 | 0 | 0 | 4 | 12.2 | 3.6 | 16.1 | 3.7 | 1.2 | 1.0 | 1.76 |
| John Curtis* | Cal | mr | 36 | 1 | 2 | 5 | 1 | 8 | 0 | 2 | 1 | 10.0 | 6.4 | 16.6 | 6.4 | 1.7 | 1.0 | 1.82 |
| Ron Darling | NYN | sp | 23 | 22 | 9 | 1 | 2 | 1 | 4 | 10 | 10 | 9.1 | 4.2 | 13.5 | 6.0 | 1.1 | 1.4 | 1.49 |
| Danny Darwin | Tex | sp | 28 | 17 | 9 | 11 | 4 | 0 | 0 | 6 | 7 | 11.2 | 3.0 | 14.4 | 4.9 | 0.7 | 1.6 | 1.58 |
| Mark Davis* | SF | sp | 23 | 13 | 13 | 6 | 3 | 4 | 2 | 8 | 5 | 8.9 | 2.4 | 11.4 | 5.9 | 1.7 | 2.5 | 1.25 |
| Ron Davis | Min | cl | 28 | 10 | 7 | 6 | 5 | 14 | 0 | 6 | 5 | 8.4 | 4.6 | 13.5 | 8.0 | 0.9 | 1.7 | 1.45 |
| Storm Davis | Bal | sp | 22 | 18 | 6 | 2 | 7 | 2 | 1 | 5 | 5 | 8.9 | 3.6 | 12.7 | 3.7 | 0.4 | 1.0 | 1.38 |
| Bill Dawley | Hou | mr | 26 | 6 | 5 | 8 | 1 | 1 | 0 | 2 | 2 | 7.2 | 4.0 | 11.3 | 4.0 | 0.4 | 1.0 | 1.25 |
| Ken Dayley* |   | sp | 25 | 0 | 2 | 1 | 2 | 1 | 0 | 2 | 0 | 10.6 | 1.8 | 12.9 | 3.2 | 0.6 | 1.8 | 1.37 |
| Jeff Dedmon | Atl | mr | 24 | 10 | 5 | 5 | 1 | 4 | 0 | 4 | 1 | 9.5 | 3.4 | 13.1 | 5.1 | 0.3 | 1.5 | 1.44 |
| Jose DeLeon | Pit | sp | 23 | 24 | 8 | 11 | 4 | 6 | 2 | 13 | 6 | 6.6 | 3.6 | 10.4 | 7.0 | 0.5 | 1.9 | 1.14 |
| Luis DeLeon | SD | mr | 25 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 10.7 | 3.1 | 14.5 | 8.7 | 3.1 | 2.8 | 1.54 |
| John Denny | Phi | sp | 31 | 14 | 2 | 2 | 2 | 0 | 0 | 4 | 5 | 7.6 | 1.8 | 9.4 | 5.5 | 0.6 | 3.1 | 1.03 |
| Jim Deshaies* | NYA | sp | 24 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 15.4 | 8.7 | 24.1 | 4.8 | 1.0 | 0.6 | 2.68 |
| Carlos Diaz* | LA | mr | 26 | 5 | 3 | 5 | 1 | 4 | 0 | 4 | 4 | 10.4 | 4.5 | 15.0 | 8.1 | 1.6 | 1.8 | 1.65 |
| Frank DiPino* | Hou | cl | 27 | 10 | 1 | 5 | 0 | 1 | 3 | 3 | 2 | 9.8 | 4.9 | 14.8 | 8.9 | 0.1 | 1.8 | 1.64 |
| Ken Dixon | Bal | sp | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 1.5 | 10.0 | 4.0 | 1.0 | 2.7 | 1.11 |
| Richard Dotson | ChA | sp | 25 | 13 | 6 | 5 | 6 | 1 | 1 | 3 | 8 | 8.2 | 3.9 | 12.3 | 4.7 | 1.0 | 1.2 | 1.34 |
| Dave Dravecky* | SD | mr | 28 | 13 | 5 | 4 | 2 | 2 | 2 | 2 | 5 | 7.4 | 3.0 | 10.6 | 4.6 | 0.8 | 1.5 | 1.16 |
| Jamie Easterly* | Cle | mr | 31 | 4 | 1 | 3 | 0 | 5 | 0 | 3 | 1 | 6.4 | 2.9 | 9.4 | 5.0 | 0.4 | 1.7 | 1.04 |
| Dennis Eckersley |   | sp | 29 | 28 | 10 | 9 | 4 | 1 | 3 | 4 | 12 | 9.3 | 2.1 | 11.5 | 4.1 | 0.7 | 2.0 | 1.26 |
| Pete Falcone* | Atl | mr | 30 | 10 | 2 | 8 | 2 | 2 | 0 | 3 | 3 | 7.1 | 4.0 | 11.2 | 4.6 | 0.6 | 1.1 | 1.23 |
| Bob Fallon* | ChA | sp | 24 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 8.0 | 12.9 | 6.8 | 0.0 | 0.8 | 1.43 |
| Steve Farr | Cle | sp | 27 | 9 | 4 | 2 | 4 | 2 | 2 | 1 | 3 | 9.9 | 4.1 | 14.3 | 6.7 | 1.6 | 1.6 | 1.55 |
| Sid Fernandez* | NYN | sp | 21 | 10 | 5 | 3 | 0 | 1 | 3 | 5 | 7 | 7.3 | 2.6 | 9.9 | 5.4 | 0.4 | 2.1 | 1.10 |
| Pete Filson* | Min | mr | 25 | 6 | 1 | 6 | 4 | 0 | 0 | 1 | 4 | 8.7 | 5.1 | 14.2 | 4.1 | 1.0 | 0.8 | 1.54 |
| Rollie Fingers | Mil | cl | 37 | 1 | 2 | 2 | 1 | 0 | 0 | 3 | 1 | 8.5 | 3.1 | 11.8 | 9.5 | 1.2 | 3.1 | 1.29 |
| Steve Fireovid | Phi | mr | 27 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 7.1 | 0.8 | 7.9 | 4.0 | 0.0 | 5.0 | 0.88 |
| Mike Flanagan* | Bal | sp | 32 | 13 | 7 | 8 | 1 | 3 | 0 | 3 | 9 | 7.4 | 3.1 | 10.5 | 4.3 | 0.9 | 1.4 | 1.17 |
| Ray Fontenot* | NYA | sp | 26 | 7 | 2 | 3 | 3 | 3 | 0 | 7 | 2 | 9.8 | 2.9 | 12.8 | 5.2 | 1.1 | 1.8 | 1.41 |
| Bob Forsch | StL | sp | 34 | 5 | 0 | 0 | 1 | 5 | 0 | 3 | 3 | 10.2 | 3.4 | 13.7 | 5.5 | 1.0 | 1.6 | 1.51 |
| Ken Forsch | Cal | sp | 37 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5.8 | 3.2 | 9.0 | 7.4 | 1.6 | 2.3 | 1.00 |
| Terry Forster* | Atl | mr | 32 | 0 | 0 | 3 | 0 | 0 | 0 | 2 | 1 | 8.5 | 1.5 | 10.0 | 6.4 | 0.6 | 4.2 | 1.11 |
| Johnny Franco* | Cin | mr | 23 | 7 | 2 | 3 | 1 | 3 | 0 | 4 | 1 | 9.9 | 4.5 | 14.5 | 5.2 | 0.7 | 1.1 | 1.60 |
| George Frazier |   | mr | 29 | 11 | 5 | 8 | 2 | 8 | 0 | 5 | 7 | 8.8 | 2.8 | 11.8 | 5.5 | 0.7 | 1.9 | 1.29 |
| Brent Gaff | NYN | mr | 25 | 9 | 4 | 1 | 2 | 4 | 1 | 1 | 3 | 6.7 | 3.0 | 10.0 | 5.3 | 0.5 | 1.7 | 1.08 |
| Rich Gale | Bos | mr | 30 | 6 | 1 | 1 | 0 | 0 | 0 | 2 | 3 | 16.8 | 4.5 | 21.3 | 6.8 | 1.6 | 1.5 | 2.37 |
| Gene Garber | Atl | mr | 36 | 10 | 1 | 5 | 2 | 0 | 1 | 2 | 3 | 9.4 | 2.5 | 12.1 | 5.3 | 1.2 | 2.1 | 1.32 |
| Wes Gardner | NYN | mr | 23 | 2 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 14.6 | 5.1 | 19.7 | 6.2 | 0.0 | 1.2 | 2.19 |
| Scott Garrelts | SF | mr | 22 | 16 | 2 | 2 | 0 | 4 | 0 | 0 | 6 | 11.3 | 7.2 | 18.6 | 7.5 | 1.4 | 1.0 | 2.06 |
| Dave Geisel* | Sea | mr | 29 | 1 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 10.1 | 2.4 | 12.8 | 4.1 | 0.7 | 1.7 | 1.39 |
| Bob Gibson | Mil | sp | 27 | 2 | 1 | 1 | 0 | 3 | 1 | 2 | 1 | 8.2 | 4.7 | 13.0 | 8.8 | 1.4 | 1.9 | 1.44 |
| Jerry Gleaton* | ChA | cl | 26 | 2 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 9.9 | 3.3 | 15.4 | 2.8 | 0.6 | 0.8 | 1.47 |
| Dwight Gooden | NYN | sp | 19 | 44 | 5 | 7 | 1 | 0 | 7 | 8 | 4 | 6.7 | 3.5 | 10.2 | 10.9 | 0.4 | 3.1 | 1.13 |
| Tom Gorman* | NYN | mr | 26 | 3 | 4 | 5 | 1 | 1 | 1 | 1 | 2 | 8.4 | 1.7 | 10.2 | 5.5 | 0.5 | 3.2 | 1.12 |
| Rich Gossage | SD | cl | 32 | 13 | 4 | 7 | 2 | 0 | 4 | 2 | 3 | 7.8 | 2.9 | 11.0 | 7.8 | 1.0 | 2.6 | 1.20 |
| Jim Gott | Tor | mr | 24 | 2 | 1 | 0 | 2 | 2 | 0 | 3 | 3 | 6.3 | 3.6 | 10.0 | 5.9 | 0.3 | 1.6 | 1.10 |
| Mark Grant | SF | sp | 20 | 8 | 4 | 2 | 1 | 1 | 1 | 0 | 2 | 9.3 | 4.6 | 14.0 | 4.0 | 2.2 | 0.9 | 1.54 |
| Rick Grapenthin | Mon | mr | 26 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8.7 | 2.3 | 11.0 | 4.0 | 0.7 | 1.7 | 1.22 |
| Kevin Gross | Phi | mr | 23 | 9 | 0 | 3 | 5 | 5 | 4 | 15 | 2 | 9.5 | 3.4 | 13.3 | 6.3 | 0.2 | 1.9 | 1.44 |
| Cecilio Guante | Pit | mr | 24 | 6 | 1 | 3 | 2 | 0 | 1 | 0 | 1 | 7.2 | 4.8 | 12.5 | 8.3 | 0.2 | 1.7 | 1.33 |
| Mark Gubicza | KC | sp | 21 | 13 | 11 | 1 | 5 | 3 | 0 | 2 | 1 | 8.2 | 3.7 | 12.1 | 5.5 | 0.5 | 1.5 | 1.32 |
| Ron Guidry* | NYA | sp | 33 | 5 | 3 | 2 | 2 | 0 | 0 | 4 | 5 | 9.6 | 1.8 | 11.5 | 6.0 | 1.1 | 3.3 | 1.26 |
| Bill Gullickson | Mon | sp | 25 | 20 | 5 | 2 | 4 | 2 | 0 | 9 | 6 | 8.8 | 1.1 | 10.0 | 4.6 | 0.7 | 4.4 | 1.09 |
| Larry Gura* | KC | sp | 36 | 7 | 5 | 2 | 3 | 0 | 0 | 4 | 10 | 9.4 | 3.4 | 13.0 | 2.6 | 1.0 | 0.8 | 1.43 |
| Moose Haas | Mil | sp | 28 | 4 | 3 | 2 | 2 | 4 | 0 | 0 | 11 | 9.9 | 2.2 | 12.2 | 4.4 | 0.9 | 2.0 | 1.35 |
| Kevin Hagen | StL | mr | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2.8 | 9.9 | 2.8 | 1.4 | 1.0 | 1.11 |
| Atlee Hammaker* | SF | sp | 26 | 3 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 7.9 | 2.3 | 10.2 | 6.4 | 0.4 | 2.8 | 1.13 |
| Greg Harris |   | mr | 28 | 6 | 2 | 3 | 5 | 2 | 0 | 2 | 1 | 6.5 | 4.4 | 11.9 | 7.1 | 0.4 | 1.6 | 1.21 |
| Paul Hartzell | Mil | mr | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24.5 | 7.4 | 31.9 | 4.9 | 0.0 | 0.7 | 3.55 |
| Andy Hawkins | SD | sp | 24 | 7 | 4 | 7 | 1 | 0 | 2 | 6 | 7 | 9.6 | 6.1 | 15.7 | 5.0 | 1.0 | 0.8 | 1.74 |
| Neal Heaton* | Cle | sp | 24 | 9 | 5 | 1 | 2 | 2 | 2 | 5 | 7 | 9.0 | 2.0 | 11.2 | 3.5 | 0.9 | 1.7 | 1.23 |
| Gorman Heimueller* | Oak | mr | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 14.9 | 1.9 | 16.8 | 3.7 | 0.0 | 2.0 | 1.86 |
| Tom Henke | Tex | mr | 26 | 3 | 0 | 0 | 1 | 1 | 3 | 0 | 4 | 9.2 | 3.4 | 12.8 | 9.0 | 0.0 | 2.7 | 1.40 |
| Willie Hernandez* | Det | cl | 29 | 1 | 0 | 1 | 2 | 2 | 0 | 1 | 4 | 7.9 | 2.8 | 10.9 | 6.4 | 1.0 | 2.3 | 1.19 |
| Orel Hershiser | LA | mr | 25 | 25 | 7 | 13 | 4 | 3 | 2 | 4 | 7 | 7.6 | 2.9 | 10.7 | 7.6 | 0.7 | 2.7 | 1.16 |
| Joe Hesketh* | Mon | sp | 25 | 4 | 2 | 3 | 1 | 3 | 2 | 0 | 4 | 5.9 | 2.4 | 8.5 | 6.7 | 0.3 | 2.7 | 0.92 |
| Ed Hodge* | Min | sp | 26 | 1 | 2 | 1 | 3 | 4 | 0 | 2 | 5 | 10.6 | 2.5 | 13.3 | 4.9 | 1.6 | 2.0 | 1.45 |
| Al Holland* | Phi | cl | 31 | 13 | 4 | 7 | 2 | 2 | 5 | 6 | 2 | 9.3 | 2.8 | 12.2 | 5.7 | 0.8 | 2.1 | 1.34 |
| Rick Honeycutt* | LA | sp | 30 | 16 | 8 | 9 | 1 | 1 | 2 | 6 | 4 | 8.9 | 1.6 | 10.5 | 3.7 | 0.4 | 2.3 | 1.17 |
| Burt Hooton | LA | mr | 34 | 19 | 0 | 6 | 1 | 4 | 0 | 4 | 4 | 10.1 | 4.7 | 14.9 | 5.9 | 0.3 | 1.3 | 1.65 |
| Ricky Horton* | StL | sp | 24 | 10 | 6 | 2 | 2 | 2 | 12 | 6 | 5 | 10.5 | 2.7 | 13.3 | 6.0 | 0.8 | 2.2 | 1.46 |
| Charlie Hough | Tex | sp | 36 | 15 | 10 | 9 | 9 | 11 | 1 | 4 | 8 | 8.5 | 3.0 | 11.9 | 5.1 | 0.5 | 1.7 | 1.28 |
| Jay Howell | NYA | mr | 28 | 8 | 1 | 3 | 1 | 3 | 0 | 2 | 9 | 8.0 | 2.9 | 11.0 | 9.0 | 0.3 | 3.1 | 1.21 |
| Ken Howell | LA | mr | 23 | 3 | 1 | 4 | 3 | 0 | 0 | 2 | 0 | 10.8 | 1.4 | 12.7 | 11.3 | 0.2 | 8.0 | 1.35 |
| La Marr Hoyt | ChA | sp | 29 | 8 | 6 | 5 | 6 | 0 | 0 | 4 | 7 | 9.1 | 1.4 | 10.8 | 4.5 | 1.0 | 3.1 | 1.17 |
| Charles Hudson | Phi | sp | 25 | 30 | 7 | 7 | 3 | 0 | 6 | 5 | 7 | 9.8 | 3.1 | 13.0 | 5.0 | 0.7 | 1.6 | 1.43 |
| Mark Huismann | KC | mr | 26 | 4 | 1 | 3 | 1 | 6 | 0 | 2 | 1 | 10.3 | 3.1 | 13.6 | 6.4 | 1.1 | 2.0 | 1.50 |
| Tom Hume | Cin | mr | 31 | 23 | 9 | 5 | 0 | 1 | 0 | 5 | 6 | 12.5 | 3.4 | 15.9 | 4.9 | 1.3 | 1.4 | 1.76 |
| Bruce Hurst* | Bos | sp | 26 | 12 | 6 | 6 | 5 | 2 | 2 | 4 | 8 | 10.2 | 4.0 | 14.4 | 4.8 | 1.0 | 1.2 | 1.57 |
| Danny Jackson* | KC | sp | 22 | 2 | 4 | 4 | 2 | 4 | 3 | 3 | 0 | 8.5 | 2.6 | 11.3 | 3.2 | 0.3 | 1.3 | 1.23 |
| Roy Lee Jackson | Tor | mr | 30 | 2 | 1 | 2 | 0 | 2 | 0 | 1 | 2 | 7.2 | 3.8 | 11.0 | 4.9 | 0.9 | 1.3 | 1.23 |
| Bob James | Mon | mr | 25 | 7 | 1 | 1 | 1 | 3 | 2 | 3 | 1 | 7.9 | 3.2 | 11.3 | 8.4 | 0.9 | 2.6 | 1.24 |
| Mike Jeffcoat* | Cle | mr | 24 | 5 | 1 | 4 | 2 | 5 | 0 | 3 | 3 | 9.2 | 1.4 | 10.7 | 5.2 | 1.0 | 3.7 | 1.17 |
| Tommy John* | Cal | sp | 41 | 18 | 8 | 13 | 3 | 16 | 0 | 6 | 4 | 11.7 | 2.8 | 14.6 | 2.5 | 0.9 | 0.9 | 1.60 |
| John Henry Johnson* | Bos | mr | 27 | 1 | 3 | 2 | 0 | 8 | 1 | 3 | 3 | 7.8 | 3.0 | 10.8 | 7.8 | 1.6 | 2.6 | 1.20 |
| Al Jones | ChA | cl | 25 | 1 | 1 | 3 | 1 | 1 | 0 | 1 | 0 | 10.3 | 7.0 | 17.6 | 8.8 | 1.5 | 1.3 | 1.92 |
| Jeff Jones | Oak | mr | 27 | 1 | 1 | 3 | 0 | 2 | 0 | 0 | 0 | 5.2 | 3.8 | 9.0 | 6.5 | 1.1 | 1.7 | 1.00 |
| Mike Jones* | KC | sp | 24 | 5 | 5 | 3 | 0 | 0 | 0 | 3 | 2 | 9.2 | 4.0 | 13.2 | 5.1 | 0.6 | 1.3 | 1.46 |
| Odell Jones | Tex | mr | 31 | 5 | 2 | 8 | 2 | 3 | 0 | 4 | 1 | 11.1 | 4.4 | 15.8 | 3.4 | 1.5 | 0.8 | 1.72 |
| Curt Kaufman | Cal | mr | 26 | 3 | 3 | 5 | 1 | 0 | 0 | 1 | 1 | 7.1 | 2.3 | 9.4 | 5.1 | 1.1 | 2.2 | 1.04 |
| Kurt Kepshire | StL | sp | 24 | 22 | 4 | 3 | 2 | 4 | 2 | 3 | 4 | 8.5 | 3.2 | 11.9 | 5.8 | 0.4 | 1.8 | 1.30 |
| Jim Kern |   | mr | 35 | 0 | 0 | 2 | 0 | 2 | 0 | 4 | 0 | 13.1 | 6.4 | 19.5 | 5.6 | 1.6 | 0.9 | 2.16 |
| Jimmy Key* | Tor | mr | 23 | 4 | 2 | 3 | 2 | 6 | 1 | 2 | 3 | 12.6 | 3.4 | 16.2 | 6.8 | 1.6 | 2.0 | 1.78 |
| Bruce Kison | Cal | mr | 34 | 0 | 4 | 3 | 5 | 5 | 0 | 1 | 0 | 12.1 | 3.5 | 16.3 | 10.4 | 1.6 | 3.0 | 1.74 |
| Bob Knepper* | Hou | sp | 30 | 14 | 10 | 5 | 0 | 3 | 0 | 4 | 2 | 8.5 | 2.3 | 10.8 | 5.2 | 1.0 | 2.2 | 1.20 |
| Jerry Koosman* | Phi | sp | 41 | 10 | 8 | 14 | 3 | 6 | 2 | 8 | 6 | 10.1 | 2.6 | 12.7 | 5.5 | 0.4 | 2.1 | 1.40 |
| Ray Krawczyk | Pit | mr | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.00 |
| Bill Krueger* | Oak | sp | 26 | 16 | 5 | 6 | 2 | 8 | 2 | 3 | 7 | 10.0 | 6.0 | 16.1 | 3.0 | 0.8 | 0.5 | 1.77 |
| Mike Krukow | SF | sp | 32 | 43 | 11 | 15 | 4 | 3 | 5 | 13 | 13 | 10.0 | 3.8 | 14.0 | 6.1 | 1.1 | 1.6 | 1.53 |
| Bob Lacey* | SF | mr | 30 | 8 | 0 | 8 | 0 | 5 | 2 | 4 | 1 | 8.7 | 2.7 | 11.4 | 3.9 | 0.6 | 1.4 | 1.27 |
| Frank LaCorte | Cal | mr | 32 | 5 | 1 | 2 | 0 | 3 | 0 | 1 | 2 | 9.9 | 3.8 | 13.7 | 2.9 | 2.5 | 0.8 | 1.52 |
| Mike LaCoss | Hou | mr | 28 | 21 | 7 | 2 | 2 | 13 | 1 | 3 | 8 | 8.9 | 4.4 | 13.4 | 5.2 | 0.2 | 1.2 | 1.48 |
| Pete Ladd | Mil | mr | 27 | 3 | 3 | 2 | 2 | 2 | 0 | 3 | 5 | 8.5 | 3.2 | 11.9 | 8.5 | 1.3 | 2.6 | 1.30 |
| Jeff Lahti | StL | mr | 27 | 15 | 4 | 5 | 1 | 0 | 0 | 2 | 2 | 6.6 | 4.7 | 11.4 | 5.1 | 0.2 | 1.1 | 1.25 |
| Dennis Lamp | Tor | mr | 31 | 2 | 4 | 1 | 1 | 1 | 0 | 3 | 3 | 11.0 | 2.5 | 13.7 | 4.3 | 1.4 | 1.7 | 1.51 |
| Rick Langford | Oak | sp | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11.4 | 7.3 | 18.7 | 2.1 | 3.1 | 0.3 | 2.08 |
| Mark Langston* | Sea | sp | 23 | 11 | 10 | 3 | 2 | 7 | 2 | 3 | 2 | 8.8 | 4.4 | 13.3 | 7.5 | 0.5 | 1.7 | 1.47 |
| Dave LaPoint* | StL | sp | 24 | 21 | 8 | 5 | 1 | 13 | 3 | 12 | 3 | 9.3 | 3.5 | 12.8 | 6.6 | 0.3 | 1.9 | 1.42 |
| Bill Laskey | SF | sp | 26 | 23 | 7 | 0 | 12 | 3 | 1 | 4 | 12 | 8.8 | 1.6 | 10.9 | 3.4 | 0.4 | 2.1 | 1.16 |
| Gary Lavelle* | SF | mr | 35 | 10 | 4 | 11 | 0 | 2 | 0 | 4 | 2 | 7.5 | 2.6 | 10.2 | 5.5 | 0.8 | 2.1 | 1.13 |
| Jack Lazorko | Mil | mr | 28 | 2 | 1 | 6 | 2 | 1 | 0 | 0 | 2 | 9.3 | 4.4 | 14.0 | 4.9 | 2.0 | 1.1 | 1.53 |
| Charlie Lea | Mon | sp | 27 | 20 | 11 | 8 | 2 | 7 | 0 | 8 | 6 | 8.3 | 3.6 | 12.0 | 4.6 | 1.0 | 1.3 | 1.32 |
| Luis Leal | Tor | sp | 27 | 12 | 8 | 1 | 5 | 3 | 2 | 4 | 9 | 9.3 | 2.8 | 12.3 | 5.1 | 0.9 | 1.8 | 1.35 |
| Tim Leary | NYN | mr | 25 | 10 | 3 | 3 | 2 | 2 | 7 | 0 | 3 | 8.4 | 3.7 | 12.4 | 5.5 | 0.6 | 1.5 | 1.34 |
| Craig Lefferts* | SD | mr | 26 | 9 | 6 | 7 | 2 | 0 | 0 | 3 | 1 | 7.9 | 2.4 | 10.5 | 4.2 | 0.0 | 1.7 | 1.14 |
| Charlie Leibrandt* | KC | sp | 27 | 9 | 3 | 2 | 4 | 6 | 0 | 5 | 7 | 9.1 | 2.1 | 11.5 | 2.9 | 0.6 | 1.4 | 1.25 |
| Dave Leiper* | Oak | mr | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 22.7 | 4.3 | 27.0 | 5.7 | 7.1 | 1.3 | 3.00 |
| Randy Lerch* | SF | mr | 29 | 1 | 1 | 5 | 0 | 4 | 0 | 5 | 4 | 10.2 | 5.9 | 16.0 | 6.5 | 0.9 | 1.1 | 1.78 |
| Brad Lesley | Cin | mr | 25 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 4.9 | 12.0 | 6.1 | 1.2 | 1.3 | 1.33 |
| Tim Lollar* | SD | sp | 28 | 16 | 14 | 3 | 3 | 5 | 0 | 5 | 8 | 7.1 | 3.8 | 11.0 | 6.5 | 0.8 | 1.7 | 1.21 |
| Aurelio Lopez | Det | mr | 35 | 0 | 0 | 4 | 2 | 2 | 2 | 1 | 5 | 6.8 | 3.3 | 10.3 | 6.1 | 0.7 | 1.8 | 1.13 |
| Gary Lucas* | Mon | mr | 29 | 6 | 1 | 4 | 0 | 1 | 1 | 2 | 1 | 8.0 | 4.1 | 12.1 | 7.5 | 0.6 | 1.8 | 1.34 |
| Ed Lynch | NYN | mr | 28 | 4 | 2 | 5 | 1 | 1 | 0 | 4 | 3 | 12.7 | 2.4 | 15.2 | 4.0 | 0.6 | 1.7 | 1.68 |
| Rick Lysander | Min | mr | 31 | 1 | 2 | 3 | 1 | 2 | 0 | 0 | 1 | 8.8 | 4.0 | 13.0 | 3.2 | 1.0 | 0.8 | 1.42 |
| Mike Madden* | Hou | mr | 26 | 6 | 4 | 6 | 0 | 1 | 0 | 2 | 3 | 10.0 | 6.8 | 16.8 | 5.8 | 0.4 | 0.8 | 1.87 |
| Rick Mahler | Atl | sp | 30 | 33 | 9 | 7 | 0 | 9 | 2 | 5 | 6 | 8.8 | 3.1 | 11.9 | 5.3 | 0.8 | 1.7 | 1.32 |
| Renie Martin |   | mr | 28 | 12 | 2 | 4 | 0 | 2 | 1 | 2 | 4 | 12.9 | 5.6 | 18.5 | 3.9 | 1.0 | 0.7 | 2.06 |
| Dennis Martinez | Bal | sp | 29 | 10 | 4 | 0 | 3 | 6 | 0 | 6 | 3 | 9.7 | 1.7 | 11.6 | 4.2 | 1.8 | 2.5 | 1.27 |
| Tippy Martinez* | Bal | cl | 34 | 4 | 1 | 2 | 0 | 5 | 0 | 1 | 2 | 8.3 | 4.0 | 12.2 | 9.6 | 0.6 | 2.4 | 1.36 |
| Mike Mason* | Tex | sp | 25 | 11 | 5 | 2 | 5 | 6 | 0 | 6 | 2 | 8.1 | 2.4 | 10.7 | 5.8 | 1.1 | 2.4 | 1.16 |
| Roger Mason | Det | sp | 25 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 10.2 | 4.5 | 14.7 | 4.9 | 1.6 | 1.1 | 1.64 |
| Steve McCatty | Oak | sp | 30 | 14 | 5 | 2 | 2 | 5 | 0 | 8 | 11 | 10.6 | 3.3 | 14.0 | 2.9 | 0.9 | 0.9 | 1.55 |
| Bob McClure* | Mil | mr | 32 | 1 | 5 | 3 | 3 | 1 | 6 | 1 | 9 | 11.5 | 3.9 | 15.6 | 4.5 | 0.6 | 1.2 | 1.71 |
| Andy McGaffigan |   | mr | 27 | 5 | 5 | 2 | 1 | 1 | 2 | 1 | 1 | 7.9 | 3.6 | 11.7 | 6.4 | 1.0 | 1.8 | 1.28 |
| Tug McGraw* | Phi | mr | 39 | 9 | 2 | 4 | 0 | 1 | 2 | 3 | 0 | 9.1 | 1.7 | 10.8 | 6.1 | 0.8 | 3.6 | 1.20 |
| Scott McGregor* | Bal | sp | 30 | 8 | 8 | 4 | 4 | 2 | 0 | 3 | 9 | 10.5 | 2.4 | 13.1 | 3.5 | 0.6 | 1.4 | 1.44 |
| Joey McLaughlin |   | mr | 27 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 3 | 15.9 | 3.9 | 19.8 | 4.1 | 1.4 | 1.1 | 2.20 |
| Craig McMurtry | Atl | sp | 24 | 23 | 8 | 8 | 1 | 3 | 2 | 10 | 9 | 9.0 | 4.3 | 13.4 | 5.0 | 0.7 | 1.2 | 1.49 |
| Larry McWilliams* | Pit | sp | 30 | 15 | 5 | 5 | 4 | 0 | 4 | 5 | 4 | 7.4 | 3.0 | 10.6 | 6.0 | 0.7 | 2.0 | 1.16 |
| Greg Minton | SF | cl | 32 | 8 | 3 | 0 | 0 | 10 | 0 | 6 | 6 | 10.8 | 2.7 | 13.5 | 2.5 | 0.6 | 0.9 | 1.50 |
| Paul Mirabella* | Sea | mr | 30 | 1 | 1 | 7 | 0 | 4 | 0 | 3 | 1 | 10.8 | 5.0 | 15.8 | 6.4 | 0.8 | 1.3 | 1.75 |
| Charlie Mitchell | Bos | mr | 22 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 2 | 7.6 | 1.2 | 10.0 | 2.3 | 0.6 | 2.0 | 0.98 |
| Sid Monge* |   | mr | 33 | 2 | 0 | 2 | 1 | 3 | 0 | 3 | 2 | 6.8 | 3.9 | 10.8 | 5.3 | 0.9 | 1.4 | 1.18 |
| John Montefusco | NYA | sp | 34 | 2 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 8.2 | 2.5 | 10.8 | 4.1 | 0.5 | 1.7 | 1.19 |
| Donnie Moore | Atl | cl | 30 | 5 | 0 | 1 | 0 | 1 | 0 | 3 | 3 | 8.5 | 1.6 | 10.1 | 6.3 | 0.4 | 4.0 | 1.12 |
| Mike Moore | Sea | sp | 24 | 15 | 7 | 2 | 3 | 5 | 1 | 7 | 3 | 10.4 | 3.4 | 13.9 | 6.8 | 0.6 | 2.0 | 1.53 |
| Jack Morris | Det | sp | 29 | 12 | 4 | 1 | 3 | 12 | 0 | 1 | 4 | 8.9 | 3.3 | 12.3 | 5.0 | 0.9 | 1.5 | 1.36 |
| Dale Murray | NYA | mr | 34 | 2 | 0 | 1 | 2 | 0 | 0 | 1 | 1 | 13.7 | 0.8 | 15.3 | 3.9 | 1.6 | 5.0 | 1.61 |
| Ron Musselman | Tor | mr | 29 | 2 | 1 | 2 | 2 | 0 | 0 | 0 | 1 | 8.6 | 4.7 | 14.1 | 4.7 | 1.6 | 1.0 | 1.48 |
| Gene Nelson | ChA | mr | 23 | 2 | 1 | 0 | 1 | 1 | 1 | 2 | 4 | 8.8 | 1.5 | 10.4 | 5.3 | 1.2 | 3.5 | 1.14 |
| Tom Niedenfuer | LA | cl | 24 | 7 | 2 | 2 | 1 | 1 | 0 | 1 | 6 | 10.0 | 4.0 | 14.2 | 7.2 | 0.6 | 1.8 | 1.56 |
| Joe Niekro | Hou | sp | 39 | 41 | 11 | 7 | 6 | 13 | 2 | 6 | 8 | 7.7 | 4.1 | 12.1 | 4.9 | 0.8 | 1.2 | 1.32 |
| Phil Niekro | NYA | sp | 45 | 15 | 5 | 2 | 3 | 2 | 0 | 2 | 6 | 9.1 | 3.5 | 12.7 | 6.4 | 0.5 | 1.8 | 1.39 |
| Randy Niemann* | ChA | mr | 28 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 7.7 | 9.0 | 16.7 | 3.9 | 1.3 | 0.4 | 1.86 |
| Al Nipper | Bos | sp | 25 | 10 | 4 | 1 | 5 | 10 | 0 | 1 | 5 | 8.4 | 2.5 | 11.1 | 4.4 | 0.6 | 1.8 | 1.21 |
| Dickie Noles |   | mr | 27 | 20 | 8 | 9 | 3 | 5 | 0 | 8 | 7 | 9.3 | 3.5 | 13.0 | 3.7 | 0.4 | 1.1 | 1.42 |
| Edwin Nunez | Sea | mr | 21 | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 3 | 6.9 | 2.4 | 9.3 | 6.5 | 0.7 | 2.6 | 1.04 |
| Randy O'Neal | Det | sp | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 10.8 | 2.5 | 13.3 | 2.9 | 0.5 | 1.2 | 1.47 |
| Bobby Ojeda* | Bos | sp | 26 | 11 | 2 | 7 | 2 | 0 | 0 | 7 | 8 | 9.7 | 3.9 | 13.7 | 5.8 | 1.1 | 1.5 | 1.51 |
| Jesse Orosco* | NYN | cl | 27 | 5 | 4 | 2 | 2 | 0 | 2 | 3 | 5 | 4.8 | 3.7 | 8.7 | 9.4 | 0.6 | 2.6 | 0.95 |
| Bob Owchinko* | Cin | mr | 29 | 3 | 6 | 3 | 1 | 2 | 0 | 4 | 2 | 7.7 | 3.3 | 11.1 | 5.2 | 1.0 | 1.6 | 1.23 |
| Rick Ownbey | StL | sp | 26 | 4 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 11.6 | 6.5 | 18.2 | 6.5 | 0.0 | 1.0 | 2.02 |
| John Pacella | Bal | mr | 27 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 9.7 | 10.8 | 20.5 | 0.0 | 2.2 | 0.0 | 2.28 |
| David Palmer | Mon | sp | 26 | 21 | 3 | 1 | 1 | 0 | 5 | 10 | 1 | 9.9 | 3.0 | 12.9 | 6.6 | 0.7 | 2.2 | 1.43 |
| Jim Palmer | Bal | sp | 38 | 1 | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 14.0 | 8.5 | 22.5 | 2.5 | 0.5 | 0.3 | 2.50 |
| Larry Pashnick | Min | mr | 28 | 1 | 0 | 2 | 5 | 1 | 1 | 0 | 1 | 9.1 | 3.3 | 13.2 | 3.8 | 0.9 | 1.1 | 1.39 |
| Frank Pastore | Cin | sp | 26 | 19 | 8 | 3 | 0 | 11 | 3 | 6 | 5 | 11.7 | 4.2 | 15.8 | 4.6 | 1.0 | 1.1 | 1.76 |
| Reggie Patterson | ChN | sp | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 2.7 | 12.1 | 9.4 | 0.0 | 3.5 | 1.35 |
| Mike Payne | Atl | sp | 22 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 10.3 | 6.4 | 16.7 | 5.1 | 0.0 | 0.8 | 1.86 |
| Alejandro Pena | LA | sp | 25 | 13 | 9 | 3 | 4 | 5 | 0 | 6 | 9 | 8.6 | 2.4 | 11.2 | 6.0 | 0.2 | 2.5 | 1.22 |
| Pascual Perez | Atl | sp | 27 | 15 | 3 | 4 | 5 | 3 | 5 | 9 | 3 | 9.6 | 2.2 | 12.0 | 5.7 | 0.8 | 2.6 | 1.31 |
| Dan Petry | Det | sp | 25 | 3 | 1 | 1 | 3 | 5 | 0 | 4 | 9 | 9.6 | 2.3 | 12.1 | 5.5 | 0.8 | 2.3 | 1.33 |
| Chuck Porter | Mil | sp | 28 | 3 | 3 | 1 | 2 | 3 | 0 | 1 | 4 | 8.9 | 1.5 | 10.6 | 5.3 | 0.9 | 3.7 | 1.15 |
| Ted Power | Cin | mr | 29 | 15 | 6 | 7 | 1 | 2 | 0 | 2 | 4 | 9.4 | 5.0 | 14.6 | 6.4 | 0.4 | 1.3 | 1.61 |
| Joe Price* | Cin | sp | 27 | 10 | 5 | 6 | 2 | 2 | 0 | 6 | 10 | 9.9 | 2.9 | 12.9 | 7.2 | 1.1 | 2.5 | 1.42 |
| Charlie Puleo | Cin | sp | 29 | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 9.4 | 4.9 | 14.4 | 1.3 | 1.3 | 0.3 | 1.60 |
| Dan Quisenberry | KC | cl | 31 | 2 | 0 | 6 | 3 | 0 | 0 | 2 | 6 | 9.1 | 0.7 | 10.0 | 3.4 | 0.6 | 4.8 | 1.09 |
| Chuck Rainey |   | sp | 29 | 8 | 9 | 4 | 1 | 2 | 0 | 3 | 4 | 12.0 | 3.9 | 16.0 | 5.1 | 0.5 | 1.3 | 1.77 |
| Dennis Rasmussen* | NYA | sp | 25 | 5 | 4 | 6 | 3 | 10 | 4 | 1 | 6 | 8.1 | 4.2 | 12.5 | 6.8 | 1.0 | 1.6 | 1.37 |
| Shane Rawley* |   | sp | 28 | 13 | 6 | 5 | 2 | 7 | 0 | 7 | 10 | 9.3 | 3.1 | 12.5 | 4.8 | 0.5 | 1.5 | 1.38 |
| Jeff Reardon | Mon | cl | 28 | 10 | 1 | 6 | 0 | 6 | 0 | 1 | 5 | 8.1 | 4.3 | 12.5 | 9.4 | 0.5 | 2.2 | 1.38 |
| Ron Reed | ChA | cl | 41 | 5 | 1 | 2 | 3 | 5 | 0 | 3 | 4 | 9.4 | 2.1 | 11.9 | 7.8 | 0.9 | 3.7 | 1.28 |
| Rick Reuschel | ChN | sp | 35 | 4 | 0 | 3 | 3 | 1 | 0 | 6 | 3 | 12.6 | 3.4 | 16.3 | 2.4 | 0.7 | 0.7 | 1.78 |
| Jerry Reuss* | LA | sp | 35 | 10 | 6 | 4 | 0 | 7 | 0 | 7 | 3 | 8.2 | 2.0 | 10.2 | 4.1 | 0.2 | 2.0 | 1.13 |
| Rick Rhoden | Pit | sp | 31 | 13 | 12 | 5 | 2 | 15 | 4 | 9 | 4 | 8.5 | 3.2 | 11.8 | 4.8 | 0.7 | 1.5 | 1.30 |
| Dave Righetti* | NYA | cl | 25 | 4 | 2 | 3 | 0 | 0 | 2 | 2 | 1 | 7.4 | 3.9 | 11.3 | 9.7 | 0.7 | 2.5 | 1.26 |
| Jose Rijo | NYA | mr | 19 | 5 | 3 | 2 | 0 | 0 | 0 | 2 | 4 | 12.4 | 4.1 | 16.5 | 7.0 | 1.0 | 1.7 | 1.83 |
| George Riley* | SF | sp | 27 | 4 | 1 | 0 | 3 | 1 | 0 | 1 | 2 | 15.6 | 2.7 | 19.7 | 3.2 | 0.5 | 1.2 | 2.03 |
| Bert Roberge | ChA | mr | 29 | 3 | 1 | 0 | 3 | 2 | 0 | 1 | 3 | 8.8 | 3.7 | 13.4 | 6.1 | 0.5 | 1.6 | 1.40 |
| Don Robinson | Pit | mr | 27 | 14 | 2 | 4 | 2 | 8 | 0 | 4 | 4 | 9.0 | 3.5 | 12.7 | 7.7 | 0.2 | 2.2 | 1.39 |
| Jeff Robinson | SF | sp | 23 | 27 | 6 | 14 | 6 | 5 | 6 | 15 | 5 | 11.0 | 3.0 | 14.4 | 5.6 | 0.5 | 1.8 | 1.56 |
| Ron Robinson | Cin | mr | 22 | 6 | 4 | 0 | 1 | 0 | 1 | 2 | 2 | 8.2 | 2.2 | 10.6 | 5.5 | 1.0 | 2.5 | 1.15 |
| Rich Rodas* | LA | mr | 24 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4.5 | 1.5 | 6.0 | 1.5 | 1.5 | 1.0 | 0.67 |
| Steve Rogers | Mon | sp | 34 | 42 | 6 | 2 | 5 | 10 | 0 | 12 | 10 | 10.4 | 4.7 | 15.4 | 4.2 | 0.7 | 0.9 | 1.68 |
| Jose Roman | Cle | sp | 21 | 0 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 12.0 | 13.5 | 25.5 | 4.5 | 0.0 | 0.3 | 2.83 |
| Ron Romanick | Cal | sp | 23 | 9 | 12 | 10 | 4 | 3 | 0 | 5 | 2 | 10.9 | 2.5 | 13.5 | 3.4 | 1.1 | 1.4 | 1.48 |
| Dave Rozema | Det | sp | 27 | 5 | 1 | 2 | 2 | 3 | 4 | 1 | 2 | 8.7 | 1.2 | 10.1 | 3.0 | 1.0 | 2.5 | 1.10 |
| Dave Rucker* | StL | mr | 26 | 3 | 1 | 1 | 1 | 1 | 0 | 2 | 4 | 6.6 | 4.3 | 11.0 | 4.4 | 0.0 | 1.0 | 1.21 |
| Vern Ruhle | Hou | mr | 33 | 12 | 7 | 4 | 3 | 4 | 0 | 4 | 1 | 9.6 | 1.5 | 11.4 | 5.4 | 0.5 | 3.5 | 1.24 |
| Jeff Russell | Cin | sp | 22 | 26 | 12 | 8 | 5 | 1 | 1 | 13 | 7 | 9.9 | 3.1 | 13.2 | 4.3 | 1.0 | 1.4 | 1.44 |
| Dick Ruthven | ChN | sp | 33 | 19 | 3 | 14 | 3 | 0 | 3 | 3 | 4 | 11.3 | 3.4 | 15.0 | 4.4 | 0.8 | 1.3 | 1.64 |
| Nolan Ryan | Hou | sp | 37 | 38 | 7 | 1 | 3 | 2 | 4 | 5 | 4 | 6.7 | 3.3 | 10.1 | 9.3 | 0.4 | 2.8 | 1.11 |
| Bret Saberhagen | KC | mr | 20 | 2 | 3 | 1 | 7 | 5 | 0 | 1 | 9 | 8.3 | 1.5 | 10.2 | 3.7 | 0.9 | 2.5 | 1.09 |
| Joe Sambito* | Hou | mr | 32 | 3 | 1 | 6 | 1 | 4 | 0 | 2 | 0 | 10.4 | 3.2 | 13.8 | 6.3 | 1.1 | 1.9 | 1.51 |
| Luis Sanchez | Cal | mr | 30 | 3 | 1 | 0 | 3 | 0 | 0 | 0 | 2 | 11.6 | 1.9 | 14.1 | 6.0 | 2.3 | 3.2 | 1.50 |
| Scott Sanderson | ChN | sp | 27 | 10 | 7 | 2 | 3 | 0 | 4 | 4 | 4 | 8.7 | 1.4 | 10.3 | 4.7 | 0.2 | 3.3 | 1.12 |
| Dan Schatzeder* | Mon | mr | 29 | 10 | 3 | 3 | 0 | 4 | 0 | 4 | 5 | 7.0 | 3.1 | 10.0 | 6.3 | 0.5 | 2.1 | 1.12 |
| Bill Scherrer* |   | mr | 26 | 6 | 1 | 5 | 1 | 1 | 0 | 1 | 2 | 8.6 | 3.4 | 12.1 | 5.8 | 0.3 | 1.7 | 1.33 |
| Calvin Schiraldi | NYN | sp | 22 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 12.5 | 3.6 | 16.1 | 8.3 | 1.0 | 2.3 | 1.79 |
| Dave Schmidt | Tex | cl | 27 | 6 | 3 | 11 | 3 | 4 | 0 | 4 | 4 | 11.9 | 3.0 | 15.3 | 5.1 | 0.5 | 1.7 | 1.66 |
| Ken Schrom | Min | sp | 29 | 7 | 1 | 1 | 3 | 3 | 0 | 6 | 10 | 9.8 | 2.1 | 12.0 | 2.6 | 0.7 | 1.2 | 1.32 |
| Don Schulze |   | sp | 21 | 13 | 1 | 0 | 1 | 3 | 1 | 0 | 2 | 10.9 | 2.8 | 13.9 | 4.5 | 1.0 | 1.6 | 1.53 |
| Mike Scott | Hou | sp | 29 | 21 | 4 | 0 | 1 | 1 | 5 | 13 | 1 | 9.3 | 3.4 | 12.7 | 5.4 | 0.7 | 1.6 | 1.40 |
| Rod Scurry* | Pit | mr | 28 | 4 | 1 | 1 | 0 | 3 | 0 | 1 | 2 | 5.1 | 3.2 | 8.4 | 9.2 | 0.4 | 2.9 | 0.93 |
| Ray Searage* | Mil | cl | 29 | 1 | 0 | 1 | 1 | 1 | 0 | 2 | 1 | 5.5 | 2.9 | 8.6 | 8.0 | 0.6 | 2.8 | 0.93 |
| Tom Seaver | ChA | sp | 39 | 22 | 4 | 4 | 2 | 3 | 0 | 6 | 9 | 9.5 | 2.6 | 12.2 | 4.8 | 1.2 | 1.8 | 1.35 |
| Bob Shirley* | NYA | mr | 30 | 4 | 2 | 5 | 0 | 0 | 0 | 3 | 6 | 9.7 | 2.8 | 12.5 | 3.7 | 0.5 | 1.3 | 1.39 |
| Eric Show | SD | sp | 28 | 18 | 4 | 12 | 2 | 2 | 2 | 13 | 11 | 8.6 | 4.3 | 13.0 | 4.8 | 0.9 | 1.1 | 1.43 |
| Doug Sisk | NYN | cl | 26 | 7 | 0 | 0 | 3 | 0 | 0 | 2 | 2 | 7.1 | 4.9 | 12.3 | 3.4 | 0.0 | 0.7 | 1.33 |
| Jim Slaton | Cal | sp | 34 | 4 | 2 | 5 | 4 | 9 | 0 | 5 | 10 | 10.2 | 2.4 | 12.7 | 3.6 | 1.0 | 1.5 | 1.39 |
| Bryn Smith | Mon | sp | 28 | 27 | 11 | 5 | 3 | 3 | 4 | 7 | 4 | 9.1 | 2.5 | 11.7 | 5.7 | 1.0 | 2.3 | 1.29 |
| Dave Smith | Hou | mr | 29 | 3 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 8.4 | 2.2 | 10.6 | 6.6 | 0.6 | 3.0 | 1.18 |
| Lee Smith | ChN | cl | 26 | 20 | 5 | 5 | 1 | 8 | 0 | 1 | 11 | 9.6 | 2.6 | 12.3 | 6.9 | 0.9 | 2.7 | 1.35 |
| Mike Smith | Cin | mr | 23 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 9.0 | 6.0 | 15.0 | 7.0 | 2.0 | 1.2 | 1.67 |
| Roy Smith | Cle | sp | 22 | 3 | 3 | 1 | 1 | 4 | 0 | 2 | 3 | 10.4 | 4.2 | 14.7 | 5.9 | 2.1 | 1.4 | 1.62 |
| Zane Smith* | Atl | sp | 23 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 9.0 | 3.7 | 13.2 | 6.4 | 0.0 | 1.7 | 1.41 |
| Mike Smithson | Min | sp | 29 | 9 | 9 | 4 | 14 | 5 | 2 | 7 | 8 | 8.0 | 2.2 | 10.7 | 4.5 | 1.0 | 2.0 | 1.14 |
| Nate Snell | Bal | mr | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 2.1 | 4.2 | 6.2 | 0.0 | 3.0 | 0.46 |
| Julio Solano | Hou | mr | 24 | 7 | 0 | 1 | 0 | 0 | 0 | 2 | 4 | 5.8 | 1.7 | 7.5 | 5.8 | 0.7 | 3.5 | 0.83 |
| Lary Sorensen | Oak | mr | 28 | 1 | 3 | 5 | 8 | 4 | 4 | 4 | 5 | 11.5 | 2.4 | 14.3 | 2.4 | 0.6 | 1.0 | 1.54 |
| Mario Soto | Cin | sp | 27 | 34 | 6 | 6 | 8 | 3 | 0 | 8 | 6 | 6.2 | 3.3 | 9.8 | 6.6 | 0.7 | 2.0 | 1.05 |
| Dan Spillner |   | mr | 32 | 8 | 6 | 4 | 3 | 2 | 0 | 4 | 7 | 10.8 | 3.2 | 14.3 | 4.2 | 1.1 | 1.3 | 1.56 |
| Paul Splittorff* | KC | mr | 37 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 18.7 | 4.9 | 24.1 | 0.5 | 0.5 | 0.1 | 2.62 |
| Bob Stanley | Bos | cl | 29 | 2 | 2 | 4 | 4 | 0 | 0 | 3 | 1 | 9.5 | 1.6 | 11.4 | 4.6 | 0.8 | 2.8 | 1.24 |
| Mike Stanton | Sea | mr | 31 | 5 | 0 | 3 | 3 | 6 | 1 | 1 | 0 | 8.6 | 3.0 | 12.0 | 7.6 | 0.2 | 2.5 | 1.29 |
| Rick Steirer | Cal | sp | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 45.0 | 0.0 | 45.0 | 9.0 | 0.0 | 99.0 | 5.00 |
| Dave Stewart | Tex | sp | 27 | 22 | 4 | 6 | 4 | 9 | 0 | 3 | 6 | 7.2 | 3.9 | 11.3 | 6.0 | 0.7 | 1.5 | 1.23 |
| Sammy Stewart | Bal | mr | 29 | 6 | 1 | 2 | 2 | 3 | 0 | 5 | 3 | 9.8 | 4.5 | 14.6 | 4.7 | 0.2 | 1.0 | 1.59 |
| Dave Stieb | Tor | sp | 26 | 10 | 4 | 2 | 12 | 1 | 0 | 5 | 6 | 8.0 | 3.0 | 11.4 | 7.2 | 0.6 | 2.4 | 1.22 |
| Bob Stoddard | Sea | mr | 27 | 2 | 2 | 6 | 2 | 5 | 1 | 2 | 3 | 10.3 | 3.9 | 14.4 | 4.2 | 1.1 | 1.1 | 1.57 |
| Tim Stoddard | ChN | mr | 31 | 6 | 1 | 4 | 1 | 3 | 1 | 3 | 2 | 9.8 | 5.8 | 15.8 | 8.9 | 1.4 | 1.5 | 1.74 |
| John Stuper | StL | sp | 27 | 3 | 0 | 1 | 3 | 1 | 0 | 2 | 1 | 10.2 | 1.6 | 12.2 | 1.7 | 0.4 | 1.1 | 1.32 |
| Rick Sutcliffe |   | sp | 28 | 15 | 7 | 6 | 3 | 5 | 4 | 10 | 8 | 8.7 | 2.9 | 11.8 | 7.0 | 0.5 | 2.4 | 1.29 |
| Bruce Sutter | StL | cl | 31 | 16 | 4 | 8 | 5 | 2 | 0 | 4 | 6 | 8.9 | 2.5 | 11.8 | 5.5 | 0.7 | 2.2 | 1.27 |
| Don Sutton | Mil | sp | 39 | 13 | 6 | 3 | 7 | 4 | 0 | 4 | 8 | 9.7 | 2.6 | 12.6 | 6.1 | 0.5 | 2.4 | 1.37 |
| Bill Swaggerty | Bal | mr | 27 | 6 | 1 | 1 | 1 | 3 | 2 | 3 | 5 | 10.2 | 3.8 | 14.2 | 3.2 | 0.8 | 0.8 | 1.56 |
| Craig Swan |   | mr | 33 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 8.2 | 0.8 | 9.0 | 4.9 | 1.6 | 6.0 | 1.00 |
| Frank Tanana* | Tex | sp | 30 | 14 | 5 | 4 | 7 | 8 | 3 | 3 | 8 | 8.4 | 2.7 | 11.4 | 4.4 | 1.0 | 1.7 | 1.23 |
| Kent Tekulve | Pit | mr | 37 | 12 | 6 | 6 | 2 | 0 | 0 | 3 | 3 | 11.3 | 2.7 | 14.2 | 3.8 | 0.4 | 1.4 | 1.56 |
| Tom Tellmann | Mil | mr | 30 | 3 | 1 | 4 | 2 | 2 | 0 | 2 | 5 | 10.6 | 2.3 | 13.0 | 3.6 | 1.4 | 1.6 | 1.43 |
| Walt Terrell | NYN | sp | 26 | 20 | 8 | 1 | 2 | 8 | 0 | 12 | 7 | 11.1 | 3.6 | 14.8 | 4.9 | 0.7 | 1.4 | 1.63 |
| Roy Thomas | Sea | mr | 31 | 10 | 1 | 5 | 3 | 4 | 0 | 0 | 1 | 11.1 | 8.0 | 19.7 | 6.3 | 1.7 | 0.8 | 2.13 |
| Mark Thurmond* | SD | sp | 27 | 16 | 4 | 6 | 0 | 1 | 1 | 12 | 4 | 8.1 | 2.9 | 11.1 | 2.8 | 0.5 | 1.0 | 1.23 |
| Jay Tibbs | Cin | sp | 22 | 1 | 1 | 0 | 1 | 0 | 0 | 4 | 3 | 8.8 | 3.9 | 12.8 | 3.0 | 0.4 | 0.8 | 1.41 |
| Dick Tidrow | NYN | mr | 37 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 2 | 12.6 | 9.0 | 21.6 | 5.4 | 0.0 | 0.6 | 2.40 |
| Dave Tobik | Tex | mr | 31 | 3 | 1 | 3 | 2 | 7 | 0 | 1 | 3 | 10.7 | 2.7 | 13.7 | 4.8 | 2.4 | 1.8 | 1.49 |
| Freddie Toliver | Cin | sp | 23 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 6.0 | 5.0 | 11.0 | 3.0 | 0.0 | 0.6 | 1.22 |
| Mike Torrez |   | sp | 37 | 2 | 3 | 1 | 3 | 2 | 0 | 4 | 0 | 14.7 | 3.4 | 18.9 | 4.7 | 0.8 | 1.4 | 2.01 |
| Steve Trout* | ChN | sp | 26 | 12 | 4 | 10 | 4 | 6 | 1 | 6 | 4 | 9.0 | 2.9 | 12.1 | 4.0 | 0.3 | 1.4 | 1.32 |
| John Tudor* | Pit | sp | 30 | 15 | 7 | 4 | 0 | 0 | 1 | 8 | 7 | 7.1 | 2.4 | 9.5 | 5.9 | 0.6 | 2.4 | 1.05 |
| Lee Tunnell | Pit | mr | 23 | 7 | 3 | 5 | 0 | 2 | 6 | 5 | 5 | 9.7 | 6.1 | 15.8 | 7.4 | 0.8 | 1.2 | 1.76 |
| Jerry Ujdur | Cle | sp | 27 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 15.6 | 5.2 | 22.8 | 2.1 | 0.0 | 0.4 | 2.31 |
| Tom Underwood* | Bal | mr | 30 | 2 | 2 | 4 | 1 | 3 | 1 | 1 | 3 | 9.7 | 3.6 | 13.4 | 4.1 | 1.0 | 1.1 | 1.48 |
| Fernando Valenzuela* | LA | sp | 23 | 28 | 8 | 7 | 3 | 9 | 0 | 10 | 13 | 6.6 | 3.1 | 9.9 | 8.7 | 0.5 | 2.8 | 1.08 |
| Ed Vande Berg* | Sea | mr | 25 | 5 | 8 | 6 | 1 | 3 | 0 | 4 | 8 | 11.9 | 4.9 | 16.9 | 5.1 | 0.8 | 1.0 | 1.87 |
| Frank Viola* | Min | sp | 24 | 5 | 8 | 5 | 6 | 4 | 1 | 11 | 7 | 7.3 | 3.3 | 10.8 | 4.9 | 1.0 | 1.5 | 1.17 |
| Dave Von Ohlen* | StL | mr | 25 | 1 | 0 | 1 | 0 | 3 | 3 | 0 | 1 | 9.3 | 1.5 | 10.8 | 5.3 | 0.5 | 3.5 | 1.19 |
| Tom Waddell | Cle | mr | 25 | 5 | 1 | 2 | 3 | 0 | 0 | 1 | 10 | 8.4 | 3.4 | 12.0 | 4.5 | 1.3 | 1.3 | 1.30 |
| Rick Waits* | Mil | mr | 32 | 4 | 2 | 5 | 1 | 0 | 0 | 1 | 2 | 9.3 | 2.8 | 12.2 | 6.4 | 0.8 | 2.3 | 1.34 |
| Bob Walk | Pit | sp | 27 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 5.1 | 1.9 | 7.7 | 5.8 | 0.6 | 3.0 | 0.79 |
| Mike Walters | Min | mr | 26 | 2 | 3 | 4 | 2 | 3 | 0 | 0 | 5 | 8.0 | 4.3 | 12.7 | 3.5 | 0.4 | 0.8 | 1.37 |
| Mike Warren | Oak | sp | 23 | 2 | 2 | 2 | 1 | 6 | 0 | 2 | 2 | 11.1 | 2.5 | 13.7 | 7.7 | 0.8 | 3.2 | 1.51 |
| Dave Wehrmeister | Phi | mr | 31 | 0 | 1 | 0 | 3 | 1 | 0 | 1 | 2 | 9.6 | 1.6 | 12.2 | 7.7 | 0.6 | 4.8 | 1.25 |
| Bob Welch | LA | sp | 27 | 19 | 12 | 7 | 2 | 2 | 4 | 5 | 5 | 10.2 | 2.5 | 12.8 | 7.1 | 0.7 | 2.8 | 1.41 |
| Larry White | LA | mr | 25 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 7.8 | 2.0 | 9.8 | 6.7 | 1.6 | 3.4 | 1.09 |
| Len Whitehouse* | Min | mr | 26 | 3 | 0 | 2 | 2 | 4 | 0 | 2 | 1 | 7.9 | 3.7 | 12.1 | 5.0 | 0.4 | 1.4 | 1.29 |
| Eddie Whitson | SD | sp | 29 | 18 | 8 | 8 | 3 | 3 | 1 | 7 | 10 | 8.2 | 2.7 | 11.0 | 4.3 | 0.6 | 1.6 | 1.21 |
| Milt Wilcox | Det | sp | 34 | 5 | 8 | 1 | 7 | 5 | 1 | 1 | 12 | 7.9 | 2.9 | 11.1 | 4.9 | 1.0 | 1.7 | 1.21 |
| Albert Williams | Min | sp | 30 | 4 | 1 | 0 | 9 | 8 | 0 | 3 | 1 | 12.9 | 3.4 | 17.7 | 3.7 | 1.8 | 1.1 | 1.81 |
| Frank Williams | SF | mr | 26 | 8 | 7 | 11 | 3 | 8 | 10 | 5 | 2 | 8.0 | 4.4 | 12.7 | 8.2 | 0.2 | 1.9 | 1.38 |
| Carl Willis |   | cl | 23 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 9.8 | 1.7 | 11.5 | 0.3 | 0.0 | 0.2 | 1.27 |
| Frank Wills | KC | sp | 25 | 0 | 0 | 1 | 1 | 5 | 0 | 0 | 2 | 14.9 | 5.4 | 20.6 | 6.2 | 0.5 | 1.1 | 2.26 |
| Jim Winn | Pit | mr | 24 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 13.5 | 5.2 | 18.7 | 5.2 | 1.0 | 1.0 | 2.08 |
| Mike Witt | Cal | sp | 23 | 8 | 10 | 12 | 3 | 6 | 0 | 6 | 4 | 8.8 | 2.8 | 11.8 | 6.9 | 0.5 | 2.4 | 1.30 |
| Ricky Wright* | Tex | mr | 25 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 13.3 | 6.6 | 19.9 | 4.4 | 1.3 | 0.7 | 2.21 |
| Curt Young* | Oak | sp | 24 | 4 | 3 | 1 | 5 | 3 | 0 | 1 | 4 | 9.3 | 1.7 | 11.3 | 2.7 | 0.7 | 1.6 | 1.22 |
| Matt Young* | Sea | sp | 25 | 8 | 6 | 1 | 1 | 2 | 1 | 7 | 4 | 12.7 | 4.2 | 17.0 | 4.7 | 1.0 | 1.1 | 1.88 |
| Pat Zachry | LA | mr | 32 | 7 | 1 | 7 | 0 | 2 | 0 | 6 | 0 | 9.6 | 4.4 | 13.9 | 4.5 | 0.4 | 1.0 | 1.55 |
| Geoff Zahn* | Cal | sp | 38 | 4 | 7 | 4 | 1 | 4 | 0 | 6 | 4 | 8.7 | 2.5 | 11.2 | 2.4 | 0.4 | 1.0 | 1.24 |
| Analytical |
| Name | Team | P | Age | OPS | BIP | IPAVG | TBW | TBW/BF | TBWH | TBWH/BF | RC | RC27 | RCERA | CERA |
| Don Aase | Cal | cl | 29 | .558 | 107 | .206 | 53 | .351 | 54 | .358 | 11.4 | 2.7 | 2.52 | 2.24 |
| Glenn Abbott | Det | sp | 33 | .721 | 268 | .276 | 127 | .421 | 129 | .427 | 35.5 | 4.5 | 4.06 | 4.16 |
| Jim Acker | Tor | mr | 25 | .690 | 240 | .283 | 121 | .389 | 128 | .412 | 28.5 | 3.4 | 3.06 | 3.76 |
| Juan Agosto* | ChA | mr | 26 | .958 | 231 | .342 | 188 | .573 | 191 | .582 | 57.4 | 7.5 | 6.73 | 7.26 |
| Doyle Alexander | Tor | sp | 33 | .706 | 852 | .277 | 451 | .426 | 459 | .434 | 118.1 | 4.2 | 3.78 | 3.31 |
| Neil Allen | StL | mr | 26 | .638 | 299 | .274 | 152 | .383 | 153 | .385 | 35.0 | 3.3 | 2.93 | 3.12 |
| Porfi Altamirano | ChN | mr | 32 | .340 | 17 | .176 | 3 | .143 | 4 | .190 | 0.5 | 0.7 | 0.63 | 0.84 |
| Larry Andersen | Phi | mr | 31 | .684 | 300 | .277 | 169 | .423 | 169 | .423 | 43.5 | 4.1 | 3.71 | 3.57 |
| Joaquin Andujar | StL | sp | 31 | .576 | 772 | .231 | 352 | .351 | 356 | .355 | 77.3 | 2.8 | 2.49 | 2.26 |
| Luis Aponte | Cle | mr | 31 | .645 | 177 | .226 | 90 | .396 | 93 | .410 | 21.4 | 3.5 | 3.23 | 2.90 |
| Mike Armstrong | NYA | mr | 30 | .744 | 164 | .287 | 115 | .464 | 115 | .464 | 29.0 | 4.5 | 4.01 | 4.61 |
| Keith Atherton | Oak | mr | 25 | .689 | 343 | .254 | 188 | .419 | 190 | .423 | 46.7 | 3.8 | 3.49 | 3.27 |
| Jerry Augustine* | Mil | mr | 31 | .500 | 1 | .000 | 1 | .500 | 1 | .500 | 0.1 | 3.5 | 3.16 | 7.00 |
| Doug Bair | Det | mr | 34 | .646 | 300 | .203 | 163 | .413 | 165 | .418 | 33.5 | 3.0 | 2.71 | 2.86 |
| Floyd Bannister* | ChA | sp | 29 | .795 | 618 | .314 | 423 | .488 | 427 | .493 | 116.9 | 5.3 | 4.80 | 4.86 |
| Greg Bargar | Mon | sp | 25 | 1.119 | 19 | .368 | 19 | .679 | 19 | .679 | 6.9 | 12.4 | 11.94 | 13.11 |
| Len Barker | Atl | sp | 28 | .718 | 400 | .282 | 247 | .437 | 251 | .444 | 65.4 | 4.4 | 3.99 | 3.79 |
| Salome Barojas |   | sp | 27 | .687 | 508 | .256 | 277 | .424 | 279 | .427 | 65.9 | 3.8 | 3.51 | 3.69 |
| Dave Beard | Sea | mr | 24 | .857 | 358 | .271 | 265 | .544 | 267 | .548 | 78.4 | 6.5 | 5.86 | 6.02 |
| Jim Beattie | Sea | sp | 29 | .752 | 697 | .307 | 405 | .446 | 411 | .453 | 113.1 | 4.9 | 4.51 | 4.61 |
| Joe Beckwith | KC | mr | 29 | .722 | 187 | .299 | 117 | .422 | 122 | .440 | 32.5 | 4.5 | 4.05 | 4.16 |
| Steve Bedrosian | Atl | cl | 26 | .593 | 256 | .250 | 132 | .363 | 134 | .368 | 31.0 | 3.2 | 2.77 | 2.19 |
| Andy Beene | Mil | sp | 27 | .945 | 79 | .342 | 55 | .519 | 61 | .575 | 21.5 | 9.1 | 8.30 | 8.10 |
| Rick Behenna | Cle | sp | 24 | 1.211 | 20 | .300 | 25 | .735 | 26 | .765 | 10.3 | 18.5 | 17.83 | 20.97 |
| Juan Berenguer | Det | sp | 29 | .721 | 529 | .263 | 333 | .452 | 334 | .454 | 86.6 | 4.6 | 4.19 | 4.18 |
| Bruce Berenyi |   | sp | 29 | .705 | 536 | .299 | 324 | .424 | 327 | .427 | 87.1 | 4.4 | 4.07 | 4.10 |
| Jeff Bettendorf | Oak | cl | 23 | .702 | 28 | .214 | 18 | .462 | 18 | .462 | 4.2 | 4.0 | 3.50 | 3.18 |
| Jim Bibby | Tex | mr | 39 | .803 | 99 | .354 | 65 | .485 | 65 | .485 | 19.3 | 5.9 | 5.21 | 5.30 |
| Bud Black* | KC | sp | 27 | .606 | 811 | .245 | 381 | .364 | 388 | .371 | 87.0 | 3.0 | 2.75 | 2.73 |
| Bert Blyleven | Cle | sp | 33 | .623 | 787 | .247 | 392 | .381 | 396 | .385 | 90.5 | 3.2 | 2.92 | 2.71 |
| Mike Boddicker | Bal | sp | 26 | .692 | 804 | .259 | 432 | .428 | 434 | .430 | 108.4 | 4.0 | 3.67 | 3.51 |
| Greg Booker | SD | mr | 24 | .745 | 229 | .310 | 124 | .429 | 124 | .429 | 33.6 | 4.5 | 4.06 | 4.27 |
| Rich Bordi | ChN | mr | 25 | .708 | 208 | .236 | 116 | .450 | 116 | .450 | 28.3 | 4.1 | 3.70 | 3.53 |
| Oil Can Boyd | Bos | sp | 24 | .650 | 667 | .265 | 344 | .398 | 347 | .401 | 82.4 | 3.5 | 3.17 | 2.71 |
| Fred Breining | Mon | mr | 28 | .763 | 38 | .342 | 28 | .459 | 29 | .475 | 7.3 | 5.2 | 4.95 | 7.33 |
| Tom Brennan | ChA | mr | 31 | .846 | 36 | .222 | 25 | .556 | 25 | .556 | 7.3 | 6.6 | 5.95 | 6.00 |
| Tony Brizzolara | Atl | mr | 27 | .606 | 97 | .206 | 46 | .374 | 46 | .374 | 10.1 | 3.0 | 2.80 | 3.06 |
| Curt Brown | NYA | mr | 24 | .678 | 56 | .268 | 32 | .416 | 32 | .416 | 8.0 | 4.0 | 3.75 | 3.94 |
| Mark Brown | Bal | mr | 24 | .669 | 150 | .273 | 69 | .397 | 69 | .397 | 15.9 | 3.2 | 2.93 | 2.78 |
| Mike Brown | Bos | sp | 25 | .753 | 253 | .320 | 142 | .448 | 144 | .454 | 41.2 | 5.1 | 4.68 | 4.49 |
| Steve Brown | Cal | sp | 27 | .993 | 40 | .325 | 38 | .633 | 38 | .633 | 12.7 | 10.1 | 9.11 | 8.50 |
| Tom Browning* | Cin | sp | 24 | .576 | 83 | .289 | 34 | .321 | 35 | .330 | 8.6 | 3.0 | 2.76 | 2.47 |
| Warren Brusstar | ChN | mr | 32 | .686 | 198 | .308 | 103 | .395 | 104 | .398 | 28.2 | 4.1 | 3.71 | 3.58 |
| Tom Burgmeier* | Oak | mr | 40 | .578 | 162 | .179 | 76 | .373 | 77 | .377 | 14.6 | 2.5 | 2.32 | 2.00 |
| Britt Burns* | ChA | mr | 25 | .714 | 396 | .326 | 231 | .425 | 232 | .427 | 65.9 | 4.8 | 4.21 | 3.89 |
| Ray Burris | Oak | sp | 33 | .743 | 644 | .262 | 390 | .464 | 395 | .470 | 101.2 | 4.7 | 4.23 | 4.07 |
| John Butcher | Min | sp | 27 | .749 | 769 | .278 | 417 | .451 | 424 | .458 | 116.0 | 4.8 | 4.39 | 4.26 |
| Marty Bystrom |   | sp | 25 | .779 | 309 | .298 | 204 | .480 | 206 | .485 | 59.2 | 5.6 | 5.06 | 5.10 |
| Mike Caldwell* | Mil | sp | 35 | .764 | 465 | .275 | 248 | .468 | 249 | .470 | 67.1 | 4.7 | 4.34 | 3.89 |
| Jeff Calhoun* | Hou | mr | 26 | .187 | 44 | .091 | 6 | .111 | 6 | .111 | 0.5 | 0.3 | 0.27 | 0.19 |
| Mark Calvert | SF | sp | 27 | .783 | 111 | .270 | 59 | .457 | 60 | .465 | 17.3 | 5.2 | 4.84 | 4.59 |
| Ernie Camacho | Cle | cl | 29 | .622 | 395 | .258 | 183 | .358 | 188 | .368 | 45.9 | 3.4 | 3.08 | 3.12 |
| Rick Camp | Atl | sp | 31 | .672 | 503 | .264 | 263 | .401 | 266 | .405 | 69.5 | 4.0 | 3.63 | 3.57 |
| Bill Campbell | Phi | mr | 35 | .558 | 278 | .245 | 124 | .337 | 125 | .340 | 29.8 | 3.0 | 2.68 | 2.11 |
| John Candelaria* | Pit | sp | 30 | .563 | 656 | .261 | 289 | .334 | 292 | .338 | 61.9 | 2.5 | 2.29 | 1.97 |
| Tom Candiotti | Mil | sp | 26 | .885 | 109 | .312 | 81 | .547 | 82 | .554 | 25.9 | 7.4 | 7.00 | 6.73 |
| Steve Carlton* | Phi | sp | 39 | .691 | 636 | .277 | 369 | .427 | 369 | .427 | 93.1 | 4.1 | 3.76 | 3.69 |
| Don Carman* | Phi | mr | 24 | .626 | 28 | .250 | 16 | .390 | 16 | .390 | 3.4 | 2.9 | 2.72 | 2.32 |
| Bobby Castillo | Min | mr | 29 | .578 | 136 | .184 | 68 | .370 | 69 | .375 | 14.4 | 2.9 | 2.65 | 2.75 |
| Keefe Cato | Cin | mr | 26 | 1.128 | 53 | .377 | 58 | .744 | 58 | .744 | 19.4 | 10.3 | 9.24 | 9.29 |
| Bill Caudill | Oak | cl | 27 | .538 | 296 | .240 | 154 | .340 | 154 | .340 | 31.0 | 2.5 | 2.27 | 2.04 |
| Floyd Chiffer | SD | mr | 28 | .921 | 72 | .472 | 47 | .500 | 47 | .500 | 19.1 | 9.2 | 8.16 | 8.43 |
| Clay Christiansen | NYA | mr | 26 | .807 | 112 | .348 | 72 | .483 | 72 | .483 | 21.1 | 5.6 | 5.07 | 5.08 |
| Ralph Citarella | StL | mr | 26 | .530 | 90 | .267 | 36 | .281 | 40 | .313 | 8.4 | 2.4 | 2.17 | 2.18 |
| Jim Clancy | Tor | sp | 28 | .854 | 611 | .324 | 425 | .521 | 426 | .522 | 130.6 | 6.6 | 5.95 | 6.21 |
| Bryan Clark* | Tor | mr | 27 | .950 | 259 | .378 | 192 | .565 | 193 | .568 | 68.4 | 9.3 | 8.39 | 8.89 |
| Mark Clear | Bos | mr | 28 | .801 | 135 | .370 | 143 | .505 | 143 | .505 | 41.1 | 6.7 | 5.92 | 7.09 |
| Roger Clemens | Bos | sp | 21 | .757 | 411 | .350 | 262 | .452 | 264 | .455 | 77.3 | 5.2 | 4.79 | 4.65 |
| Jaime Cocanower | Mil | sp | 27 | .712 | 600 | .243 | 330 | .431 | 340 | .444 | 81.7 | 4.1 | 3.82 | 4.26 |
| Chris Codiroli | Oak | sp | 26 | .736 | 334 | .266 | 186 | .435 | 191 | .446 | 50.2 | 4.5 | 4.12 | 4.49 |
| Steve Comer | Cle | sp | 30 | .794 | 421 | .321 | 229 | .465 | 232 | .472 | 70.2 | 5.7 | 5.26 | 5.22 |
| Keith Comstock* | Min | mr | 28 | 1.139 | 39 | .385 | 39 | .709 | 39 | .709 | 15.3 | 13.7 | 11.96 | 13.58 |
| Tim Conroy* | Oak | mr | 24 | .753 | 329 | .249 | 239 | .482 | 241 | .486 | 65.5 | 5.4 | 5.02 | 4.82 |
| Doug Corbett | Cal | mr | 31 | .516 | 212 | .193 | 91 | .322 | 92 | .325 | 16.5 | 2.0 | 1.85 | 1.81 |
| Jeff Cornell | SF | mr | 27 | .794 | 166 | .349 | 95 | .446 | 96 | .451 | 27.6 | 5.2 | 4.72 | 5.72 |
| Joe Cowley | NYA | sp | 25 | .766 | 221 | .321 | 150 | .466 | 153 | .475 | 41.1 | 5.0 | 4.62 | 4.82 |
| Danny Cox | StL | sp | 24 | .744 | 563 | .297 | 315 | .434 | 324 | .446 | 86.2 | 4.7 | 4.15 | 4.38 |
| Steve Crawford | Bos | mr | 26 | .818 | 321 | .324 | 195 | .484 | 197 | .489 | 61.3 | 6.4 | 5.86 | 6.41 |
| John Curtis* | Cal | mr | 36 | .915 | 134 | .291 | 119 | .586 | 120 | .591 | 35.2 | 7.3 | 6.73 | 6.51 |
| Ron Darling | NYN | sp | 23 | .750 | 645 | .281 | 416 | .462 | 418 | .464 | 113.9 | 4.9 | 4.55 | 4.59 |
| Danny Darwin | Tex | sp | 28 | .772 | 708 | .332 | 407 | .450 | 411 | .454 | 120.8 | 5.3 | 4.87 | 5.02 |
| Mark Davis* | SF | sp | 23 | .778 | 517 | .255 | 351 | .497 | 354 | .501 | 88.7 | 4.6 | 4.31 | 4.03 |
| Ron Davis | Min | cl | 28 | .731 | 288 | .295 | 197 | .443 | 202 | .454 | 52.8 | 4.7 | 4.22 | 4.27 |
| Storm Davis | Bal | sp | 22 | .681 | 753 | .275 | 383 | .404 | 390 | .411 | 98.3 | 4.0 | 3.62 | 3.76 |
| Bill Dawley | Hou | mr | 26 | .623 | 266 | .241 | 133 | .383 | 134 | .386 | 27.5 | 2.9 | 2.62 | 2.81 |
| Ken Dayley* |   | sp | 25 | .781 | 111 | .306 | 60 | .455 | 62 | .470 | 16.8 | 4.9 | 4.44 | 4.24 |
| Jeff Dedmon | Atl | mr | 24 | .683 | 236 | .314 | 120 | .391 | 121 | .394 | 31.3 | 3.9 | 3.54 | 3.81 |
| Jose DeLeon | Pit | sp | 23 | .587 | 576 | .241 | 299 | .360 | 303 | .365 | 65.4 | 2.8 | 2.60 | 2.40 |
| Luis DeLeon | SD | mr | 25 | .915 | 75 | .293 | 70 | .583 | 72 | .600 | 22.4 | 7.6 | 6.96 | 7.05 |
| John Denny | Phi | sp | 31 | .598 | 516 | .246 | 240 | .363 | 242 | .366 | 53.5 | 2.9 | 2.64 | 2.27 |
| Jim Deshaies* | NYA | sp | 24 | 1.010 | 34 | .441 | 29 | .592 | 29 | .592 | 10.0 | 10.0 | 8.70 | 11.91 |
| Carlos Diaz* | LA | mr | 26 | .853 | 136 | .316 | 108 | .522 | 109 | .527 | 32.5 | 6.4 | 5.93 | 5.72 |
| Frank DiPino* | Hou | cl | 27 | .690 | 188 | .367 | 114 | .397 | 114 | .397 | 32.3 | 4.6 | 4.09 | 4.45 |
| Ken Dixon | Bal | sp | 23 | .649 | 58 | .259 | 28 | .394 | 28 | .394 | 6.5 | 3.3 | 2.94 | 3.04 |
| Richard Dotson | ChA | sp | 25 | .723 | 728 | .251 | 445 | .455 | 451 | .461 | 110.0 | 4.2 | 3.87 | 3.86 |
| Dave Dravecky* | SD | mr | 28 | .630 | 420 | .233 | 214 | .391 | 216 | .394 | 49.4 | 3.3 | 2.99 | 2.84 |
| Jamie Easterly* | Cle | mr | 31 | .528 | 235 | .221 | 98 | .320 | 98 | .320 | 18.1 | 2.1 | 1.91 | 1.92 |
| Dennis Eckersley |   | sp | 29 | .699 | 805 | .275 | 416 | .421 | 420 | .425 | 112.3 | 4.3 | 3.90 | 3.42 |
| Pete Falcone* | Atl | mr | 30 | .627 | 466 | .232 | 244 | .393 | 246 | .396 | 56.4 | 3.4 | 3.04 | 2.88 |
| Bob Fallon* | ChA | sp | 24 | .533 | 39 | .205 | 23 | .365 | 23 | .365 | 4.2 | 2.4 | 2.30 | 2.76 |
| Steve Farr | Cle | sp | 27 | .822 | 332 | .298 | 249 | .514 | 253 | .523 | 68.6 | 5.6 | 5.16 | 5.55 |
| Sid Fernandez* | NYN | sp | 21 | .599 | 312 | .247 | 147 | .363 | 147 | .363 | 34.0 | 3.0 | 2.75 | 2.25 |
| Pete Filson* | Min | mr | 25 | .761 | 305 | .259 | 196 | .475 | 200 | .484 | 54.8 | 5.4 | 4.84 | 4.67 |
| Rollie Fingers | Mil | cl | 37 | .717 | 128 | .297 | 89 | .445 | 90 | .450 | 22.7 | 4.3 | 3.96 | 3.72 |
| Steve Fireovid | Phi | mr | 27 | .513 | 38 | .237 | 13 | .295 | 13 | .295 | 2.6 | 2.0 | 1.87 | 1.44 |
| Mike Flanagan* | Bal | sp | 32 | .630 | 745 | .232 | 377 | .391 | 378 | .392 | 82.4 | 3.1 | 2.81 | 2.90 |
| Ray Fontenot* | NYA | sp | 26 | .763 | 572 | .292 | 351 | .466 | 354 | .470 | 92.5 | 4.7 | 4.30 | 4.48 |
| Bob Forsch | StL | sp | 34 | .796 | 189 | .302 | 122 | .486 | 123 | .490 | 36.7 | 5.9 | 5.35 | 4.77 |
| Ken Forsch | Cal | sp | 37 | .578 | 45 | .178 | 26 | .382 | 26 | .382 | 5.0 | 2.5 | 2.38 | 2.48 |
| Terry Forster* | Atl | mr | 32 | .603 | 95 | .274 | 43 | .350 | 43 | .350 | 9.4 | 2.7 | 2.58 | 2.47 |
| Johnny Franco* | Cin | mr | 23 | .757 | 268 | .313 | 164 | .452 | 165 | .455 | 45.3 | 5.0 | 4.48 | 4.91 |
| George Frazier |   | mr | 29 | .693 | 364 | .280 | 199 | .414 | 201 | .418 | 51.0 | 4.0 | 3.63 | 3.42 |
| Brent Gaff | NYN | mr | 25 | .562 | 204 | .230 | 92 | .337 | 94 | .344 | 19.8 | 2.6 | 2.35 | 2.38 |
| Rich Gale | Bos | mr | 30 | 1.047 | 153 | .438 | 130 | .619 | 130 | .619 | 52.9 | 12.1 | 10.79 | 10.65 |
| Gene Garber | Atl | mr | 36 | .728 | 298 | .275 | 174 | .446 | 176 | .451 | 46.7 | 4.5 | 4.20 | 3.99 |
| Wes Gardner | NYN | mr | 23 | .898 | 58 | .448 | 40 | .513 | 40 | .513 | 13.9 | 8.2 | 7.03 | 7.76 |
| Scott Garrelts | SF | mr | 22 | .870 | 121 | .339 | 100 | .532 | 100 | .532 | 35.4 | 8.5 | 7.68 | 7.62 |
| Dave Geisel* | Sea | mr | 29 | .713 | 173 | .289 | 90 | .421 | 92 | .430 | 25.1 | 4.6 | 4.21 | 4.09 |
| Bob Gibson | Mil | sp | 27 | .743 | 160 | .281 | 123 | .477 | 123 | .477 | 32.1 | 4.9 | 4.41 | 4.42 |
| Jerry Gleaton* | ChA | cl | 26 | .796 | 57 | .298 | 32 | .438 | 36 | .493 | 9.7 | 5.3 | 4.79 | 5.27 |
| Dwight Gooden | NYN | sp | 19 | .567 | 576 | .286 | 339 | .351 | 340 | .352 | 79.7 | 3.0 | 2.74 | 2.28 |
| Tom Gorman* | NYN | mr | 26 | .622 | 250 | .276 | 117 | .368 | 118 | .371 | 26.1 | 2.9 | 2.69 | 2.56 |
| Rich Gossage | SD | cl | 32 | .637 | 288 | .267 | 164 | .390 | 166 | .394 | 39.6 | 3.5 | 3.18 | 3.11 |
| Jim Gott | Tor | mr | 24 | .570 | 353 | .224 | 174 | .359 | 176 | .363 | 36.3 | 2.7 | 2.46 | 2.14 |
| Mark Grant | SF | sp | 20 | .879 | 190 | .242 | 151 | .579 | 152 | .582 | 44.1 | 6.8 | 6.12 | 5.76 |
| Rick Grapenthin | Mon | mr | 26 | .626 | 93 | .258 | 43 | .377 | 43 | .377 | 10.4 | 3.3 | 3.11 | 3.09 |
| Kevin Gross | Phi | mr | 23 | .695 | 360 | .314 | 189 | .390 | 194 | .400 | 53.8 | 4.3 | 3.98 | 3.87 |
| Cecilio Guante | Pit | mr | 24 | .648 | 108 | .278 | 68 | .405 | 70 | .417 | 16.3 | 3.7 | 3.38 | 3.02 |
| Mark Gubicza | KC | sp | 21 | .651 | 624 | .271 | 332 | .396 | 337 | .402 | 81.4 | 3.7 | 3.36 | 3.35 |
| Ron Guidry* | NYA | sp | 33 | .751 | 600 | .287 | 370 | .471 | 372 | .474 | 101.2 | 4.9 | 4.46 | 3.74 |
| Bill Gullickson | Mon | sp | 25 | .673 | 765 | .271 | 378 | .405 | 382 | .409 | 93.7 | 3.6 | 3.28 | 2.77 |
| Larry Gura* | KC | sp | 36 | .770 | 630 | .268 | 365 | .472 | 368 | .476 | 100.3 | 5.1 | 4.51 | 4.45 |
| Moose Haas | Mil | sp | 28 | .740 | 682 | .292 | 382 | .450 | 384 | .452 | 104.5 | 4.7 | 4.27 | 4.00 |
| Kevin Hagen | StL | mr | 24 | .644 | 21 | .190 | 11 | .423 | 11 | .423 | 2.6 | 3.6 | 3.28 | 2.94 |
| Atlee Hammaker* | SF | sp | 26 | .573 | 139 | .259 | 63 | .344 | 63 | .344 | 14.6 | 2.9 | 2.72 | 2.38 |
| Greg Harris |   | mr | 28 | .628 | 131 | .244 | 75 | .379 | 80 | .404 | 17.2 | 3.2 | 2.97 | 2.85 |
| Paul Hartzell | Mil | mr | 30 | 1.433 | 17 | .588 | 19 | .864 | 19 | .864 | 9.2 | 24.7 | 20.22 | 18.08 |
| Andy Hawkins | SD | sp | 24 | .789 | 460 | .289 | 316 | .486 | 317 | .488 | 88.1 | 5.6 | 5.09 | 5.61 |
| Neal Heaton* | Cle | sp | 24 | .689 | 758 | .264 | 382 | .417 | 384 | .419 | 96.7 | 3.9 | 3.56 | 3.42 |
| Gorman Heimueller* | Oak | mr | 28 | .897 | 39 | .410 | 22 | .489 | 22 | .489 | 7.7 | 7.1 | 6.42 | 6.51 |
| Tom Henke | Tex | mr | 26 | .674 | 117 | .350 | 67 | .387 | 68 | .393 | 19.1 | 4.4 | 3.87 | 3.50 |
| Willie Hernandez* | Det | cl | 29 | .654 | 269 | .260 | 149 | .399 | 151 | .405 | 35.7 | 3.5 | 3.18 | 3.25 |
| Orel Hershiser | LA | mr | 25 | .616 | 512 | .266 | 274 | .373 | 278 | .379 | 64.9 | 3.2 | 2.99 | 2.71 |
| Joe Hesketh* | Mon | sp | 25 | .529 | 152 | .224 | 69 | .327 | 70 | .332 | 12.2 | 2.0 | 1.79 | 1.57 |
| Ed Hodge* | Min | sp | 26 | .851 | 322 | .292 | 224 | .533 | 227 | .540 | 63.8 | 5.9 | 5.46 | 5.18 |
| Al Holland* | Phi | cl | 31 | .691 | 313 | .284 | 169 | .410 | 171 | .415 | 46.2 | 4.3 | 3.96 | 3.63 |
| Rick Honeycutt* | LA | sp | 30 | .598 | 670 | .269 | 269 | .340 | 270 | .341 | 63.8 | 2.9 | 2.72 | 2.69 |
| Burt Hooton | LA | mr | 34 | .741 | 313 | .329 | 187 | .437 | 188 | .439 | 56.1 | 5.4 | 4.84 | 4.69 |
| Ricky Horton* | StL | sp | 24 | .775 | 478 | .324 | 293 | .465 | 295 | .468 | 81.2 | 5.0 | 4.58 | 4.50 |
| Charlie Hough | Tex | sp | 36 | .677 | 873 | .273 | 466 | .409 | 475 | .417 | 116.2 | 3.8 | 3.51 | 3.32 |
| Jay Howell | NYA | mr | 28 | .612 | 305 | .305 | 163 | .362 | 164 | .364 | 40.9 | 3.4 | 3.09 | 2.67 |
| Ken Howell | LA | mr | 23 | .720 | 143 | .420 | 88 | .402 | 91 | .416 | 25.1 | 4.4 | 3.98 | 3.76 |
| La Marr Hoyt | ChA | sp | 29 | .696 | 817 | .271 | 426 | .422 | 432 | .428 | 108.5 | 4.0 | 3.60 | 3.29 |
| Charles Hudson | Phi | sp | 25 | .731 | 600 | .295 | 341 | .441 | 344 | .444 | 95.7 | 4.8 | 4.42 | 4.09 |
| Mark Huismann | KC | mr | 26 | .765 | 260 | .315 | 165 | .463 | 166 | .466 | 45.5 | 5.0 | 4.61 | 4.86 |
| Tom Hume | Cin | mr | 31 | .916 | 397 | .340 | 289 | .563 | 289 | .563 | 94.4 | 7.6 | 7.01 | 6.48 |
| Bruce Hurst* | Bos | sp | 26 | .784 | 668 | .296 | 423 | .479 | 428 | .484 | 123.2 | 5.6 | 5.15 | 5.04 |
| Danny Jackson* | KC | sp | 22 | .644 | 277 | .274 | 125 | .372 | 127 | .378 | 27.3 | 2.9 | 2.64 | 3.05 |
| Roy Lee Jackson | Tor | mr | 30 | .663 | 212 | .245 | 121 | .417 | 121 | .417 | 25.2 | 3.1 | 2.78 | 3.22 |
| Bob James | Mon | mr | 25 | .668 | 223 | .283 | 139 | .414 | 140 | .417 | 34.1 | 3.8 | 3.43 | 3.30 |
| Mike Jeffcoat* | Cle | mr | 24 | .705 | 312 | .282 | 168 | .424 | 170 | .429 | 42.6 | 3.9 | 3.54 | 3.36 |
| Tommy John* | Cal | sp | 41 | .808 | 685 | .317 | 385 | .474 | 388 | .478 | 114.3 | 5.6 | 5.10 | 5.41 |
| John Henry Johnson* | Bos | mr | 27 | .728 | 181 | .249 | 128 | .471 | 128 | .471 | 30.4 | 4.1 | 3.73 | 3.57 |
| Al Jones | ChA | cl | 25 | .861 | 94 | .319 | 84 | .545 | 85 | .552 | 25.1 | 7.1 | 6.64 | 6.72 |
| Jeff Jones | Oak | mr | 27 | .556 | 88 | .170 | 49 | .377 | 49 | .377 | 8.6 | 2.3 | 2.10 | 2.01 |
| Mike Jones* | KC | sp | 24 | .786 | 274 | .292 | 181 | .496 | 181 | .496 | 47.6 | 5.0 | 4.59 | 4.12 |
| Odell Jones | Tex | mr | 31 | .885 | 191 | .309 | 133 | .532 | 135 | .540 | 39.7 | 6.5 | 5.81 | 6.36 |
| Curt Kaufman | Cal | mr | 26 | .620 | 264 | .216 | 137 | .395 | 138 | .398 | 29.2 | 3.0 | 2.73 | 2.51 |
| Kurt Kepshire | StL | sp | 24 | .649 | 315 | .289 | 161 | .382 | 163 | .386 | 42.4 | 3.8 | 3.40 | 3.24 |
| Jim Kern |   | mr | 35 | .990 | 82 | .354 | 69 | .595 | 69 | .595 | 24.3 | 9.6 | 8.68 | 8.58 |
| Jimmy Key* | Tor | mr | 23 | .911 | 265 | .362 | 205 | .554 | 207 | .559 | 67.8 | 7.8 | 6.98 | 7.05 |
| Bruce Kison | Cal | mr | 34 | .890 | 211 | .398 | 183 | .538 | 188 | .553 | 58.1 | 7.2 | 6.54 | 6.94 |
| Bob Knepper* | Hou | sp | 30 | .662 | 705 | .260 | 373 | .408 | 373 | .408 | 89.2 | 3.6 | 3.26 | 3.24 |
| Jerry Koosman* | Phi | sp | 41 | .695 | 796 | .313 | 411 | .404 | 414 | .407 | 112.6 | 4.3 | 3.93 | 3.80 |
| Ray Krawczyk | Pit | mr | 24 | .000 | 3 | .000 | 0 | .000 | 0 | .000 | 0.0 | 0.0 | 0.00 | 0.00 |
| Bill Krueger* | Oak | sp | 26 | .789 | 503 | .286 | 316 | .482 | 318 | .485 | 88.7 | 5.5 | 5.12 | 5.66 |
| Mike Krukow | SF | sp | 32 | .777 | 628 | .306 | 404 | .465 | 408 | .470 | 120.4 | 5.5 | 5.04 | 4.85 |
| Bob Lacey* | SF | mr | 30 | .674 | 190 | .263 | 95 | .404 | 95 | .404 | 24.1 | 3.8 | 3.48 | 3.09 |
| Frank LaCorte | Cal | mr | 32 | .900 | 135 | .244 | 103 | .585 | 103 | .585 | 29.9 | 6.7 | 6.06 | 6.02 |
| Mike LaCoss | Hou | mr | 28 | .658 | 458 | .297 | 236 | .384 | 238 | .388 | 62.4 | 4.0 | 3.59 | 3.84 |
| Pete Ladd | Mil | mr | 27 | .739 | 239 | .289 | 169 | .460 | 171 | .466 | 42.6 | 4.4 | 3.98 | 4.02 |
| Jeff Lahti | StL | mr | 27 | .580 | 257 | .230 | 127 | .363 | 128 | .366 | 28.2 | 3.0 | 2.76 | 2.53 |
| Dennis Lamp | Tor | mr | 31 | .803 | 292 | .315 | 177 | .477 | 178 | .480 | 50.2 | 5.3 | 4.75 | 5.42 |
| Rick Langford | Oak | sp | 32 | 1.004 | 32 | .250 | 29 | .659 | 29 | .659 | 9.7 | 10.1 | 9.11 | 9.44 |
| Mark Langston* | Sea | sp | 23 | .711 | 671 | .307 | 432 | .441 | 434 | .443 | 112.3 | 4.5 | 4.08 | 3.96 |
| Dave LaPoint* | StL | sp | 24 | .690 | 561 | .323 | 310 | .402 | 311 | .403 | 80.9 | 4.0 | 3.62 | 3.77 |
| Bill Laskey | SF | sp | 26 | .672 | 789 | .266 | 371 | .395 | 383 | .408 | 99.3 | 3.9 | 3.57 | 2.98 |
| Gary Lavelle* | SF | mr | 35 | .625 | 333 | .243 | 171 | .387 | 171 | .387 | 36.6 | 2.9 | 2.72 | 2.61 |
| Jack Lazorko | Mil | mr | 28 | .847 | 184 | .261 | 141 | .542 | 143 | .550 | 39.0 | 6.0 | 5.35 | 5.59 |
| Charlie Lea | Mon | sp | 27 | .690 | 670 | .251 | 376 | .426 | 378 | .428 | 95.0 | 4.1 | 3.71 | 3.72 |
| Luis Leal | Tor | sp | 27 | .733 | 725 | .283 | 425 | .448 | 430 | .453 | 115.1 | 4.7 | 4.21 | 4.01 |
| Tim Leary | NYN | mr | 25 | .647 | 193 | .269 | 101 | .387 | 103 | .395 | 26.3 | 3.9 | 3.53 | 3.51 |
| Craig Lefferts* | SD | mr | 26 | .574 | 327 | .266 | 132 | .328 | 134 | .333 | 29.2 | 2.6 | 2.37 | 2.29 |
| Charlie Leibrandt* | KC | sp | 27 | .659 | 549 | .266 | 247 | .381 | 251 | .387 | 64.4 | 3.7 | 3.39 | 3.33 |
| Dave Leiper* | Oak | mr | 22 | 1.529 | 26 | .423 | 39 | 1.026 | 39 | 1.026 | 17.4 | 23.5 | 22.28 | 22.01 |
| Randy Lerch* | SF | mr | 29 | .822 | 236 | .309 | 173 | .509 | 173 | .509 | 51.7 | 6.4 | 5.92 | 5.55 |
| Brad Lesley | Cin | mr | 25 | .678 | 82 | .232 | 54 | .443 | 54 | .443 | 12.0 | 3.7 | 3.32 | 3.80 |
| Tim Lollar* | SD | sp | 28 | .638 | 614 | .244 | 353 | .401 | 356 | .405 | 78.1 | 3.2 | 2.96 | 2.96 |
| Aurelio Lopez | Det | mr | 35 | .608 | 256 | .230 | 135 | .379 | 137 | .385 | 30.1 | 3.1 | 2.80 | 2.57 |
| Gary Lucas* | Mon | mr | 29 | .671 | 160 | .294 | 98 | .412 | 98 | .412 | 22.2 | 3.4 | 3.13 | 3.46 |
| Ed Lynch | NYN | mr | 28 | .842 | 436 | .356 | 261 | .494 | 262 | .496 | 83.2 | 6.5 | 5.83 | 5.67 |
| Rick Lysander | Min | mr | 31 | .737 | 180 | .256 | 106 | .461 | 107 | .465 | 27.0 | 4.6 | 4.10 | 4.25 |
| Mike Madden* | Hou | mr | 26 | .824 | 164 | .335 | 120 | .504 | 120 | .504 | 32.0 | 5.5 | 5.05 | 5.59 |
| Rick Mahler | Atl | sp | 30 | .671 | 626 | .276 | 334 | .405 | 334 | .405 | 86.6 | 4.0 | 3.60 | 3.57 |
| Renie Martin |   | mr | 28 | .911 | 180 | .344 | 127 | .543 | 127 | .543 | 44.5 | 8.5 | 7.72 | 7.44 |
| Dennis Martinez | Bal | sp | 29 | .797 | 490 | .263 | 311 | .502 | 314 | .507 | 86.1 | 5.3 | 4.76 | 4.41 |
| Tippy Martinez* | Bal | cl | 34 | .651 | 169 | .308 | 106 | .400 | 106 | .400 | 25.6 | 3.7 | 3.39 | 3.43 |
| Mike Mason* | Tex | sp | 25 | .680 | 599 | .254 | 341 | .422 | 346 | .428 | 83.5 | 3.8 | 3.44 | 3.24 |
| Roger Mason | Det | sp | 25 | .862 | 74 | .284 | 56 | .554 | 56 | .554 | 16.3 | 6.6 | 6.00 | 5.83 |
| Steve McCatty | Oak | sp | 30 | .787 | 682 | .290 | 393 | .473 | 395 | .476 | 114.3 | 5.4 | 5.04 | 4.95 |
| Bob McClure* | Mil | mr | 32 | .812 | 452 | .332 | 280 | .482 | 283 | .487 | 86.3 | 6.2 | 5.61 | 5.61 |
| Andy McGaffigan |   | mr | 27 | .699 | 211 | .261 | 133 | .443 | 134 | .447 | 30.3 | 3.7 | 3.42 | 3.55 |
| Tug McGraw* | Phi | mr | 39 | .690 | 150 | .293 | 81 | .415 | 81 | .415 | 21.6 | 4.1 | 3.70 | 3.12 |
| Scott McGregor* | Bal | sp | 30 | .731 | 764 | .302 | 393 | .428 | 397 | .432 | 111.2 | 4.7 | 4.31 | 4.23 |
| Joey McLaughlin |   | mr | 27 | 1.028 | 152 | .395 | 119 | .623 | 119 | .623 | 43.8 | 10.4 | 9.51 | 9.40 |
| Craig McMurtry | Atl | sp | 24 | .726 | 630 | .283 | 374 | .441 | 375 | .442 | 100.1 | 4.6 | 4.20 | 4.25 |
| Larry McWilliams* | Pit | sp | 30 | .632 | 691 | .250 | 371 | .391 | 375 | .395 | 83.8 | 3.2 | 2.91 | 2.84 |
| Greg Minton | SF | cl | 32 | .721 | 483 | .292 | 236 | .419 | 236 | .419 | 68.9 | 4.8 | 4.49 | 4.38 |
| Paul Mirabella* | Sea | mr | 30 | .781 | 193 | .332 | 127 | .469 | 127 | .469 | 35.7 | 5.4 | 5.02 | 5.45 |
| Charlie Mitchell | Bos | mr | 22 | .624 | 53 | .226 | 21 | .339 | 23 | .371 | 5.2 | 3.0 | 2.76 | 2.53 |
| Sid Monge* |   | mr | 33 | .664 | 206 | .218 | 122 | .428 | 123 | .432 | 27.2 | 3.5 | 3.17 | 2.90 |
| John Montefusco | NYA | sp | 34 | .645 | 219 | .256 | 107 | .393 | 108 | .397 | 25.4 | 3.4 | 3.14 | 2.92 |
| Donnie Moore | Atl | cl | 30 | .593 | 255 | .282 | 112 | .340 | 112 | .340 | 27.7 | 3.1 | 2.79 | 2.56 |
| Mike Moore | Sea | sp | 24 | .760 | 680 | .335 | 424 | .455 | 427 | .459 | 121.9 | 5.2 | 4.73 | 4.59 |
| Jack Morris | Det | sp | 29 | .689 | 828 | .269 | 460 | .423 | 463 | .426 | 117.0 | 4.1 | 3.78 | 3.87 |
| Dale Murray | NYA | mr | 34 | .941 | 87 | .356 | 58 | .552 | 60 | .571 | 20.2 | 7.9 | 7.11 | 6.79 |
| Ron Musselman | Tor | mr | 29 | .787 | 75 | .240 | 52 | .495 | 54 | .514 | 14.9 | 5.7 | 5.25 | 4.95 |
| Gene Nelson | ChA | mr | 23 | .696 | 238 | .269 | 130 | .423 | 131 | .427 | 31.7 | 3.7 | 3.38 | 3.34 |
| Tom Niedenfuer | LA | cl | 24 | .759 | 137 | .343 | 87 | .442 | 88 | .447 | 26.5 | 5.5 | 4.78 | 4.76 |
| Joe Niekro | Hou | sp | 39 | .656 | 746 | .244 | 407 | .404 | 413 | .410 | 101.6 | 3.8 | 3.50 | 3.46 |
| Phil Niekro | NYA | sp | 45 | .690 | 624 | .301 | 355 | .415 | 358 | .419 | 93.8 | 4.2 | 3.84 | 3.83 |
| Randy Niemann* | ChA | mr | 28 | .955 | 20 | .250 | 19 | .613 | 19 | .613 | 5.1 | 6.9 | 5.89 | 6.48 |
| Al Nipper | Bos | sp | 25 | .645 | 701 | .260 | 342 | .389 | 347 | .394 | 86.6 | 3.7 | 3.34 | 3.08 |
| Dickie Noles |   | mr | 27 | .717 | 449 | .292 | 235 | .417 | 238 | .423 | 62.3 | 4.2 | 3.80 | 3.88 |
| Edwin Nunez | Sea | mr | 21 | .598 | 182 | .236 | 93 | .373 | 93 | .373 | 19.7 | 2.8 | 2.55 | 2.24 |
| Randy O'Neal | Det | sp | 23 | .808 | 68 | .309 | 39 | .488 | 39 | .488 | 10.0 | 4.7 | 4.42 | 4.38 |
| Bobby Ojeda* | Bos | sp | 26 | .764 | 638 | .293 | 410 | .469 | 412 | .471 | 114.8 | 5.2 | 4.75 | 4.68 |
| Jesse Orosco* | NYN | cl | 27 | .504 | 263 | .198 | 142 | .329 | 144 | .333 | 26.2 | 2.1 | 1.93 | 1.63 |
| Bob Owchinko* | Cin | mr | 29 | .666 | 299 | .241 | 167 | .414 | 168 | .417 | 39.2 | 3.6 | 3.27 | 3.27 |
| Rick Ownbey | StL | sp | 26 | .784 | 69 | .362 | 45 | .464 | 45 | .464 | 14.4 | 6.6 | 6.03 | 5.92 |
| John Pacella | Bal | mr | 27 | .952 | 33 | .212 | 28 | .622 | 28 | .622 | 8.7 | 9.0 | 8.45 | 8.29 |
| David Palmer | Mon | sp | 26 | .738 | 367 | .319 | 218 | .437 | 219 | .439 | 63.7 | 5.0 | 4.49 | 4.20 |
| Jim Palmer | Bal | sp | 38 | 1.043 | 69 | .391 | 58 | .630 | 58 | .630 | 21.2 | 11.5 | 9.54 | 10.01 |
| Larry Pashnick | Min | mr | 28 | .725 | 221 | .258 | 124 | .441 | 129 | .459 | 34.1 | 4.8 | 4.45 | 4.12 |
| Frank Pastore | Cin | sp | 26 | .861 | 403 | .335 | 274 | .519 | 274 | .519 | 86.0 | 6.7 | 6.10 | 6.18 |
| Reggie Patterson | ChN | sp | 25 | .629 | 19 | .368 | 10 | .357 | 10 | .357 | 2.4 | 3.3 | 2.96 | 3.32 |
| Mike Payne | Atl | sp | 22 | .873 | 20 | .400 | 14 | .483 | 14 | .483 | 3.3 | 4.2 | 3.79 | 6.20 |
| Alejandro Pena | LA | sp | 25 | .619 | 593 | .292 | 274 | .354 | 278 | .359 | 67.9 | 3.2 | 2.97 | 2.90 |
| Pascual Perez | Atl | sp | 27 | .705 | 627 | .298 | 339 | .416 | 344 | .422 | 92.4 | 4.3 | 3.93 | 3.74 |
| Dan Petry | Det | sp | 25 | .713 | 764 | .296 | 424 | .429 | 427 | .432 | 112.7 | 4.3 | 3.96 | 3.87 |
| Chuck Porter | Mil | sp | 28 | .674 | 300 | .277 | 154 | .404 | 156 | .409 | 38.3 | 3.7 | 3.35 | 3.16 |
| Ted Power | Cin | mr | 29 | .724 | 310 | .313 | 192 | .438 | 193 | .441 | 52.7 | 4.8 | 4.43 | 4.41 |
| Joe Price* | Cin | sp | 27 | .759 | 546 | .313 | 353 | .461 | 355 | .464 | 101.2 | 5.2 | 4.70 | 4.41 |
| Charlie Puleo | Cin | sp | 29 | .916 | 71 | .254 | 53 | .602 | 53 | .602 | 14.9 | 6.7 | 6.02 | 5.39 |
| Dan Quisenberry | KC | cl | 31 | .638 | 453 | .267 | 193 | .370 | 196 | .375 | 47.0 | 3.2 | 2.97 | 2.64 |
| Chuck Rainey |   | sp | 29 | .810 | 408 | .360 | 249 | .471 | 250 | .473 | 76.9 | 6.0 | 5.44 | 5.82 |
| Dennis Rasmussen* | NYA | sp | 25 | .726 | 441 | .265 | 297 | .463 | 300 | .467 | 76.0 | 4.6 | 4.15 | 3.88 |
| Shane Rawley* |   | sp | 28 | .708 | 603 | .294 | 325 | .420 | 327 | .422 | 85.8 | 4.2 | 3.84 | 3.81 |
| Jeff Reardon | Mon | cl | 28 | .629 | 216 | .306 | 129 | .382 | 129 | .382 | 33.3 | 3.8 | 3.49 | 3.32 |
| Ron Reed | ChA | cl | 41 | .720 | 229 | .314 | 138 | .426 | 141 | .435 | 36.8 | 4.3 | 3.91 | 3.83 |
| Rick Reuschel | ChN | sp | 35 | .894 | 330 | .339 | 207 | .524 | 210 | .532 | 66.9 | 7.1 | 6.37 | 6.37 |
| Jerry Reuss* | LA | sp | 35 | .582 | 436 | .261 | 176 | .334 | 176 | .334 | 42.3 | 2.9 | 2.66 | 2.38 |
| Rick Rhoden | Pit | sp | 31 | .669 | 769 | .267 | 406 | .406 | 408 | .408 | 99.5 | 3.7 | 3.40 | 3.43 |
| Dave Righetti* | NYA | cl | 25 | .607 | 262 | .282 | 158 | .376 | 158 | .376 | 35.9 | 3.2 | 2.93 | 3.04 |
| Jose Rijo | NYA | mr | 19 | .880 | 161 | .366 | 118 | .529 | 118 | .529 | 38.1 | 7.2 | 6.67 | 6.42 |
| George Riley* | SF | sp | 27 | .900 | 83 | .398 | 47 | .470 | 50 | .500 | 19.3 | 8.8 | 7.93 | 8.39 |
| Bert Roberge | ChA | mr | 29 | .710 | 103 | .301 | 59 | .407 | 62 | .428 | 16.5 | 4.4 | 3.96 | 4.17 |
| Don Robinson | Pit | mr | 27 | .672 | 289 | .318 | 162 | .395 | 164 | .400 | 44.4 | 4.2 | 3.82 | 3.46 |
| Jeff Robinson | SF | sp | 23 | .782 | 604 | .336 | 355 | .451 | 361 | .459 | 109.8 | 5.6 | 5.10 | 4.74 |
| Ron Robinson | Cin | mr | 22 | .678 | 142 | .261 | 77 | .412 | 78 | .417 | 19.1 | 3.7 | 3.36 | 3.16 |
| Rich Rodas* | LA | mr | 24 | .482 | 19 | .105 | 7 | .318 | 7 | .318 | 1.2 | 1.8 | 1.66 | 1.30 |
| Steve Rogers | Mon | sp | 34 | .784 | 570 | .298 | 346 | .466 | 351 | .472 | 110.0 | 6.1 | 5.68 | 5.26 |
| Jose Roman | Cle | sp | 21 | .890 | 22 | .364 | 18 | .529 | 18 | .529 | 5.3 | 8.0 | 7.20 | 9.08 |
| Ron Romanick | Cal | sp | 23 | .794 | 720 | .299 | 422 | .481 | 426 | .486 | 119.3 | 5.3 | 4.89 | 4.87 |
| Dave Rozema | Det | sp | 27 | .635 | 482 | .249 | 213 | .377 | 215 | .381 | 48.5 | 3.0 | 2.81 | 2.96 |
| Dave Rucker* | StL | mr | 26 | .531 | 312 | .234 | 130 | .318 | 131 | .320 | 27.4 | 2.5 | 2.23 | 2.33 |
| Vern Ruhle | Hou | mr | 33 | .652 | 365 | .310 | 167 | .364 | 170 | .370 | 44.0 | 3.6 | 3.21 | 3.37 |
| Jeff Russell | Cin | sp | 22 | .764 | 612 | .288 | 357 | .456 | 362 | .462 | 102.7 | 5.1 | 4.67 | 4.44 |
| Dick Ruthven | ChN | sp | 33 | .808 | 452 | .325 | 277 | .482 | 280 | .487 | 87.7 | 6.3 | 5.67 | 5.29 |
| Nolan Ryan | Hou | sp | 37 | .555 | 528 | .267 | 278 | .339 | 281 | .342 | 63.7 | 2.8 | 2.57 | 2.29 |
| Bret Saberhagen | KC | mr | 20 | .670 | 565 | .248 | 279 | .407 | 286 | .417 | 68.7 | 3.6 | 3.30 | 2.89 |
| Joe Sambito* | Hou | mr | 32 | .801 | 132 | .326 | 88 | .484 | 89 | .489 | 24.5 | 5.3 | 4.76 | 4.87 |
| Luis Sanchez | Cal | mr | 30 | .888 | 140 | .321 | 104 | .542 | 107 | .557 | 33.6 | 7.1 | 6.28 | 6.51 |
| Scott Sanderson | ChN | sp | 27 | .625 | 536 | .285 | 235 | .359 | 238 | .364 | 56.2 | 3.1 | 2.79 | 2.58 |
| Dan Schatzeder* | Mon | mr | 29 | .582 | 401 | .242 | 197 | .358 | 197 | .358 | 41.6 | 2.7 | 2.49 | 2.38 |
| Bill Scherrer* |   | mr | 26 | .642 | 212 | .292 | 107 | .378 | 108 | .382 | 26.4 | 3.5 | 3.19 | 3.20 |
| Calvin Schiraldi | NYN | sp | 22 | .856 | 56 | .393 | 42 | .519 | 42 | .519 | 12.5 | 6.3 | 5.82 | 6.18 |
| Dave Schmidt | Tex | cl | 27 | .785 | 282 | .351 | 159 | .443 | 162 | .451 | 48.9 | 5.5 | 5.10 | 5.19 |
| Ken Schrom | Min | sp | 29 | .690 | 545 | .272 | 254 | .399 | 257 | .404 | 71.0 | 4.3 | 3.90 | 3.76 |
| Don Schulze |   | sp | 21 | .751 | 293 | .311 | 165 | .446 | 166 | .449 | 48.6 | 5.2 | 4.79 | 5.02 |
| Mike Scott | Hou | sp | 29 | .706 | 560 | .293 | 311 | .420 | 312 | .421 | 83.4 | 4.3 | 3.93 | 3.99 |
| Rod Scurry* | Pit | mr | 28 | .496 | 105 | .210 | 53 | .321 | 53 | .321 | 10.2 | 2.1 | 1.96 | 1.50 |
| Ray Searage* | Mil | cl | 29 | .526 | 117 | .205 | 58 | .333 | 59 | .339 | 11.4 | 2.3 | 2.10 | 1.68 |
| Tom Seaver | ChA | sp | 39 | .736 | 726 | .277 | 422 | .451 | 424 | .453 | 118.0 | 4.9 | 4.42 | 4.13 |
| Bob Shirley* | NYA | mr | 30 | .747 | 406 | .293 | 226 | .454 | 226 | .454 | 57.8 | 4.4 | 3.99 | 3.85 |
| Eric Show | SD | sp | 28 | .722 | 686 | .259 | 410 | .445 | 412 | .447 | 109.8 | 4.7 | 4.26 | 4.05 |
| Doug Sisk | NYN | cl | 26 | .585 | 238 | .239 | 107 | .349 | 110 | .358 | 24.5 | 3.0 | 2.75 | 2.94 |
| Jim Slaton | Cal | sp | 34 | .741 | 629 | .283 | 339 | .441 | 343 | .447 | 94.2 | 4.7 | 4.37 | 4.27 |
| Bryn Smith | Mon | sp | 28 | .709 | 599 | .282 | 341 | .431 | 344 | .435 | 90.1 | 4.3 | 3.91 | 3.70 |
| Dave Smith | Hou | mr | 29 | .608 | 274 | .274 | 133 | .364 | 133 | .364 | 32.2 | 3.3 | 3.01 | 2.83 |
| Lee Smith | ChN | cl | 26 | .700 | 343 | .309 | 194 | .413 | 195 | .415 | 55.2 | 4.5 | 4.09 | 3.95 |
| Mike Smith | Cin | mr | 23 | .835 | 29 | .241 | 24 | .545 | 24 | .545 | 7.1 | 6.6 | 6.40 | 5.49 |
| Roy Smith | Cle | sp | 22 | .900 | 236 | .284 | 195 | .580 | 196 | .583 | 58.0 | 7.0 | 6.47 | 6.21 |
| Zane Smith* | Atl | sp | 23 | .675 | 52 | .327 | 28 | .389 | 29 | .403 | 6.8 | 3.5 | 3.23 | 3.65 |
| Mike Smithson | Min | sp | 29 | .657 | 842 | .243 | 426 | .393 | 440 | .406 | 104.1 | 3.5 | 3.20 | 3.18 |
| Nate Snell | Bal | mr | 31 | .205 | 11 | .091 | 2 | .133 | 2 | .133 | 0.2 | 0.3 | 0.31 | 0.35 |
| Julio Solano | Hou | mr | 24 | .507 | 154 | .201 | 63 | .310 | 63 | .310 | 11.6 | 1.9 | 1.74 | 1.49 |
| Lary Sorensen | Oak | mr | 28 | .756 | 623 | .318 | 309 | .424 | 317 | .435 | 91.8 | 5.0 | 4.57 | 5.00 |
| Mario Soto | Cin | sp | 27 | .568 | 705 | .210 | 357 | .357 | 365 | .365 | 79.4 | 2.9 | 2.64 | 2.25 |
| Dan Spillner |   | mr | 32 | .826 | 362 | .307 | 230 | .497 | 233 | .503 | 69.7 | 6.0 | 5.48 | 5.33 |
| Paul Splittorff* | KC | mr | 37 | 1.069 | 91 | .407 | 64 | .615 | 65 | .625 | 26.4 | 12.5 | 11.66 | 11.25 |
| Bob Stanley | Bos | cl | 29 | .687 | 392 | .286 | 196 | .403 | 200 | .412 | 47.6 | 3.6 | 3.33 | 3.50 |
| Mike Stanton | Sea | mr | 31 | .656 | 251 | .307 | 139 | .393 | 142 | .401 | 35.7 | 3.9 | 3.49 | 3.12 |
| Rick Steirer | Cal | sp | 27 | 1.810 | 14 | .714 | 16 | 1.000 | 16 | 1.000 | 10.6 | 47.9 | 43.13 | 30.85 |
| Dave Stewart | Tex | sp | 27 | .612 | 585 | .236 | 310 | .381 | 314 | .386 | 73.4 | 3.4 | 3.12 | 2.90 |
| Sammy Stewart | Bal | mr | 29 | .708 | 271 | .314 | 145 | .406 | 147 | .412 | 41.6 | 4.8 | 4.23 | 4.52 |
| Dave Stieb | Tor | sp | 26 | .654 | 778 | .274 | 438 | .397 | 450 | .408 | 109.6 | 3.7 | 3.40 | 3.13 |
| Bob Stoddard | Sea | mr | 27 | .797 | 264 | .299 | 166 | .483 | 168 | .488 | 47.4 | 5.5 | 4.98 | 5.15 |
| Tim Stoddard | ChN | mr | 31 | .839 | 191 | .319 | 163 | .529 | 164 | .532 | 48.9 | 6.7 | 6.09 | 5.88 |
| John Stuper | StL | sp | 27 | .748 | 254 | .291 | 125 | .439 | 128 | .449 | 34.5 | 4.6 | 4.12 | 3.78 |
| Rick Sutcliffe |   | sp | 28 | .691 | 706 | .300 | 409 | .417 | 412 | .420 | 107.2 | 4.2 | 3.73 | 3.36 |
| Bruce Sutter | StL | cl | 31 | .669 | 377 | .292 | 191 | .384 | 196 | .394 | 48.3 | 3.6 | 3.26 | 3.50 |
| Don Sutton | Mil | sp | 39 | .690 | 633 | .311 | 334 | .400 | 341 | .408 | 93.5 | 4.3 | 3.95 | 3.81 |
| Bill Swaggerty | Bal | mr | 27 | .732 | 280 | .282 | 150 | .432 | 151 | .435 | 42.4 | 4.8 | 4.53 | 4.79 |
| Craig Swan |   | mr | 33 | .717 | 34 | .235 | 19 | .442 | 19 | .442 | 4.9 | 4.0 | 3.57 | 2.92 |
| Frank Tanana* | Tex | sp | 30 | .689 | 727 | .252 | 394 | .423 | 401 | .431 | 100.8 | 4.1 | 3.70 | 3.45 |
| Kent Tekulve | Pit | mr | 37 | .745 | 342 | .333 | 175 | .421 | 177 | .425 | 50.8 | 4.8 | 4.39 | 4.74 |
| Tom Tellmann | Mil | mr | 30 | .819 | 353 | .289 | 220 | .505 | 222 | .509 | 62.9 | 5.6 | 5.09 | 4.94 |
| Walt Terrell | NYN | sp | 26 | .758 | 697 | .324 | 394 | .438 | 396 | .440 | 119.9 | 5.4 | 4.95 | 5.25 |
| Roy Thomas | Sea | mr | 31 | .932 | 172 | .320 | 157 | .584 | 160 | .595 | 51.6 | 8.7 | 7.94 | 8.37 |
| Mark Thurmond* | SD | sp | 27 | .624 | 710 | .248 | 315 | .368 | 315 | .368 | 73.6 | 3.2 | 2.86 | 2.98 |
| Jay Tibbs | Cin | sp | 22 | .677 | 302 | .262 | 151 | .406 | 152 | .409 | 38.5 | 4.0 | 3.66 | 3.69 |
| Dick Tidrow | NYN | mr | 37 | .988 | 20 | .350 | 15 | .536 | 15 | .536 | 6.0 | 10.1 | 9.65 | 7.63 |
| Dave Tobik | Tex | mr | 31 | .878 | 185 | .281 | 137 | .550 | 139 | .558 | 40.0 | 6.3 | 5.76 | 6.09 |
| Freddie Toliver | Cin | sp | 23 | .502 | 30 | .200 | 12 | .316 | 12 | .316 | 2.6 | 2.6 | 2.30 | 2.19 |
| Mike Torrez |   | sp | 37 | .946 | 131 | .405 | 88 | .524 | 91 | .542 | 33.2 | 9.0 | 7.83 | 8.23 |
| Steve Trout* | ChN | sp | 26 | .645 | 727 | .290 | 333 | .368 | 337 | .372 | 79.9 | 3.3 | 2.96 | 3.40 |
| John Tudor* | Pit | sp | 30 | .569 | 708 | .233 | 326 | .349 | 326 | .349 | 72.5 | 2.8 | 2.56 | 2.18 |
| Lee Tunnell | Pit | mr | 23 | .796 | 167 | .323 | 122 | .480 | 122 | .480 | 35.4 | 5.8 | 5.24 | 5.42 |
| Jerry Ujdur | Cle | sp | 27 | .936 | 37 | .405 | 22 | .478 | 24 | .522 | 8.3 | 8.6 | 7.75 | 9.43 |
| Tom Underwood* | Bal | mr | 30 | .733 | 271 | .280 | 155 | .444 | 156 | .447 | 41.7 | 4.7 | 4.28 | 4.57 |
| Fernando Valenzuela* | LA | sp | 23 | .566 | 699 | .255 | 367 | .347 | 370 | .350 | 80.5 | 2.7 | 2.51 | 2.17 |
| Ed Vande Berg* | Sea | mr | 25 | .871 | 358 | .352 | 250 | .519 | 251 | .521 | 77.1 | 6.7 | 6.10 | 6.49 |
| Frank Viola* | Min | sp | 24 | .647 | 754 | .224 | 406 | .404 | 412 | .410 | 94.4 | 3.5 | 3.16 | 3.02 |
| Dave Von Ohlen* | StL | mr | 25 | .646 | 122 | .287 | 58 | .384 | 58 | .384 | 13.7 | 3.3 | 3.08 | 2.93 |
| Tom Waddell | Cle | mr | 25 | .725 | 327 | .239 | 195 | .453 | 198 | .460 | 51.6 | 4.6 | 4.22 | 3.86 |
| Rick Waits* | Mil | mr | 32 | .693 | 242 | .306 | 136 | .412 | 137 | .415 | 35.9 | 4.2 | 3.71 | 3.82 |
| Bob Walk | Pit | sp | 27 | .488 | 40 | .175 | 16 | .296 | 17 | .315 | 3.3 | 2.1 | 1.90 | 1.46 |
| Mike Walters | Min | mr | 26 | .698 | 139 | .252 | 76 | .425 | 78 | .436 | 18.0 | 3.8 | 3.49 | 3.45 |
| Mike Warren | Oak | sp | 23 | .779 | 306 | .356 | 197 | .465 | 198 | .467 | 58.8 | 5.5 | 4.99 | 4.86 |
| Dave Wehrmeister | Phi | mr | 31 | .833 | 86 | .326 | 61 | .508 | 64 | .533 | 17.4 | 5.5 | 5.03 | 3.80 |
| Bob Welch | LA | sp | 27 | .752 | 595 | .329 | 369 | .454 | 371 | .457 | 103.0 | 4.9 | 4.47 | 4.14 |
| Larry White | LA | mr | 25 | .728 | 65 | .246 | 44 | .484 | 44 | .484 | 10.5 | 4.2 | 3.70 | 3.13 |
| Len Whitehouse* | Min | mr | 26 | .669 | 133 | .256 | 72 | .407 | 74 | .418 | 17.7 | 3.8 | 3.49 | 3.17 |
| Eddie Whitson | SD | sp | 29 | .637 | 700 | .257 | 335 | .379 | 338 | .382 | 80.2 | 3.3 | 3.03 | 3.02 |
| Milt Wilcox | Det | sp | 34 | .686 | 703 | .243 | 397 | .429 | 404 | .436 | 95.4 | 3.8 | 3.49 | 3.29 |
| Albert Williams | Min | sp | 30 | .948 | 212 | .330 | 152 | .551 | 161 | .583 | 55.4 | 8.9 | 7.97 | 8.06 |
| Frank Williams | SF | mr | 26 | .657 | 261 | .307 | 155 | .392 | 158 | .400 | 37.4 | 3.6 | 3.28 | 3.20 |
| Carl Willis |   | cl | 23 | .685 | 109 | .266 | 47 | .409 | 47 | .409 | 11.3 | 3.6 | 3.44 | 2.95 |
| Frank Wills | KC | sp | 25 | .979 | 138 | .406 | 110 | .591 | 111 | .597 | 40.6 | 10.2 | 9.39 | 8.45 |
| Jim Winn | Pit | mr | 24 | .965 | 31 | .387 | 22 | .524 | 22 | .524 | 8.0 | 8.3 | 7.44 | 8.24 |
| Mike Witt | Cal | sp | 23 | .698 | 784 | .301 | 462 | .428 | 465 | .431 | 116.3 | 4.1 | 3.68 | 3.34 |
| Ricky Wright* | Tex | mr | 25 | .998 | 72 | .375 | 61 | .610 | 61 | .610 | 20.3 | 9.1 | 8.08 | 9.14 |
| Curt Young* | Oak | sp | 24 | .717 | 418 | .270 | 211 | .431 | 216 | .441 | 54.8 | 4.2 | 3.75 | 3.44 |
| Matt Young* | Sea | sp | 25 | .878 | 444 | .356 | 300 | .519 | 301 | .521 | 98.2 | 7.2 | 6.55 | 6.92 |
| Pat Zachry | LA | mr | 32 | .707 | 272 | .301 | 147 | .414 | 147 | .414 | 40.9 | 4.7 | 4.11 | 4.30 |
| Geoff Zahn* | Cal | sp | 38 | .629 | 725 | .262 | 309 | .364 | 310 | .365 | 70.8 | 3.0 | 2.76 | 3.10 |
| Start |
| Name | Team | P | Age | GS | CG | CG% | SHO | QS | QS% | RS | RS/G | RL | RLS | RL% | PCH/G | STR% |
| Don Aase | Cal | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 3 | .500 | 22.5 | .609 |
| Glenn Abbott | Det | sp | 33 | 8 | 0 | .000 | 0 | 4 | .500 | 38 | 4.8 | 10 | 6 | .600 | 60.8 | .683 |
| Jim Acker | Tor | mr | 25 | 3 | 0 | .000 | 0 | 3 | 1.000 | 13 | 4.3 | 6 | 3 | .500 | 38.8 | .603 |
| Juan Agosto* | ChA | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 5 | .217 | 19.7 | .552 |
| Doyle Alexander | Tor | sp | 33 | 35 | 10 | .286 | 0 | 20 | .571 | 141 | 4.0 | 21 | 4 | .190 | 107.0 | .649 |
| Neil Allen | StL | mr | 26 | 1 | 0 | .000 | 0 | 1 | 1.000 | 8 | 8.0 | 10 | 2 | .200 | 27.7 | .622 |
| Porfi Altamirano | ChN | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 8.9 | .758 |
| Larry Andersen | Phi | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 27 | 13 | .481 | 18.6 | .640 |
| Joaquin Andujar | StL | sp | 31 | 36 | 12 | .333 | 5 | 23 | .639 | 141 | 3.9 | 15 | 6 | .400 | 96.3 | .637 |
| Luis Aponte | Cle | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 7 | .438 | 25.6 | .614 |
| Mike Armstrong | NYA | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 4 | .308 | 25.3 | .572 |
| Keith Atherton | Oak | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 7 | .412 | 32.7 | .627 |
| Jerry Augustine* | Mil | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 9.0 | .444 |
| Doug Bair | Det | mr | 34 | 1 | 0 | .000 | 0 | 0 | .000 | 15 | 15.0 | 21 | 5 | .238 | 28.6 | .597 |
| Floyd Bannister* | ChA | sp | 29 | 33 | 4 | .121 | 1 | 14 | .424 | 137 | 4.2 | 28 | 15 | .536 | 98.9 | .623 |
| Greg Bargar | Mon | sp | 25 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 1 | 0 | .000 | 45.0 | .533 |
| Len Barker | Atl | sp | 28 | 20 | 1 | .050 | 0 | 11 | .550 | 62 | 3.1 | 14 | 4 | .286 | 104.9 | .629 |
| Salome Barojas |   | sp | 27 | 14 | 2 | .143 | 1 | 7 | .500 | 75 | 5.4 | 23 | 8 | .348 | 53.7 | .594 |
| Dave Beard | Sea | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 31 | 13 | .419 | 27.9 | .596 |
| Jim Beattie | Sea | sp | 29 | 32 | 4 | .125 | 0 | 17 | .531 | 111 | 3.5 | 27 | 9 | .333 | 101.1 | .619 |
| Joe Beckwith | KC | mr | 29 | 1 | 0 | .000 | 0 | 1 | 1.000 | 8 | 8.0 | 9 | 2 | .222 | 32.4 | .633 |
| Steve Bedrosian | Atl | cl | 26 | 4 | 1 | .250 | 0 | 4 | 1.000 | 17 | 4.3 | 22 | 7 | .318 | 24.0 | .624 |
| Andy Beene | Mil | sp | 27 | 3 | 0 | .000 | 0 | 0 | .000 | 11 | 3.7 | 6 | 3 | .500 | 60.7 | .580 |
| Rick Behenna | Cle | sp | 24 | 3 | 0 | .000 | 0 | 0 | .000 | 10 | 3.3 | 9 | 2 | .222 | 52.3 | .497 |
| Juan Berenguer | Det | sp | 29 | 27 | 2 | .074 | 1 | 15 | .556 | 151 | 5.6 | 29 | 9 | .310 | 84.5 | .583 |
| Bruce Berenyi |   | sp | 29 | 30 | 3 | .100 | 1 | 14 | .467 | 146 | 4.9 | 26 | 7 | .269 | 93.2 | .596 |
| Jeff Bettendorf | Oak | cl | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 0 | .000 | 36.8 | .578 |
| Jim Bibby | Tex | mr | 39 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 45.7 | .590 |
| Bud Black* | KC | sp | 27 | 35 | 14 | .400 | 2 | 24 | .686 | 155 | 4.4 | 20 | 5 | .250 | 104.9 | .647 |
| Bert Blyleven | Cle | sp | 33 | 32 | 16 | .500 | 3 | 21 | .656 | 179 | 5.6 | 14 | 5 | .357 | 114.6 | .631 |
| Mike Boddicker | Bal | sp | 26 | 34 | 15 | .441 | 4 | 19 | .559 | 136 | 4.0 | 15 | 7 | .467 | 102.6 | .618 |
| Greg Booker | SD | mr | 24 | 1 | 0 | .000 | 0 | 1 | 1.000 | 5 | 5.0 | 3 | 1 | .333 | 29.8 | .592 |
| Rich Bordi | ChN | mr | 25 | 7 | 1 | .143 | 1 | 5 | .714 | 30 | 4.3 | 9 | 7 | .778 | 41.4 | .631 |
| Oil Can Boyd | Bos | sp | 24 | 26 | 13 | .500 | 2 | 14 | .538 | 156 | 6.0 | 11 | 6 | .545 | 113.0 | .651 |
| Fred Breining | Mon | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 3 | .429 | 33.3 | .541 |
| Tom Brennan | ChA | mr | 31 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 2 | 0 | .000 | 42.0 | .571 |
| Tony Brizzolara | Atl | mr | 27 | 4 | 0 | .000 | 0 | 2 | .500 | 12 | 3.0 | 1 | 0 | .000 | 72.8 | .613 |
| Curt Brown | NYA | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 19.5 | .613 |
| Mark Brown | Bal | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 42.2 | .651 |
| Mike Brown | Bos | sp | 25 | 11 | 0 | .000 | 0 | 6 | .545 | 68 | 6.2 | 6 | 2 | .333 | 99.2 | .654 |
| Steve Brown | Cal | sp | 27 | 3 | 0 | .000 | 0 | 0 | .000 | 16 | 5.3 | 5 | 0 | .000 | 71.0 | .512 |
| Tom Browning* | Cin | sp | 24 | 3 | 2 | .667 | 0 | 3 | 1.000 | 12 | 4.0 | 2 | 0 | .000 | 120.0 | .706 |
| Warren Brusstar | ChN | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 0 | .000 | 24.6 | .644 |
| Tom Burgmeier* | Oak | mr | 40 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 18.9 | .650 |
| Britt Burns* | ChA | mr | 25 | 16 | 2 | .125 | 1 | 7 | .438 | 89 | 5.6 | 23 | 8 | .348 | 62.9 | .635 |
| Ray Burris | Oak | sp | 33 | 28 | 2 | .071 | 0 | 13 | .464 | 135 | 4.8 | 18 | 6 | .333 | 110.2 | .599 |
| John Butcher | Min | sp | 27 | 34 | 6 | .176 | 1 | 14 | .412 | 138 | 4.1 | 26 | 11 | .423 | 92.6 | .649 |
| Marty Bystrom |   | sp | 25 | 18 | 1 | .056 | 0 | 9 | .500 | 83 | 4.6 | 17 | 6 | .353 | 87.1 | .601 |
| Mike Caldwell* | Mil | sp | 35 | 19 | 6 | .316 | 0 | 9 | .474 | 63 | 3.3 | 11 | 6 | .545 | 76.0 | .678 |
| Jeff Calhoun* | Hou | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 13.6 | .748 |
| Mark Calvert | SF | sp | 27 | 5 | 0 | .000 | 0 | 3 | .600 | 21 | 4.2 | 7 | 3 | .429 | 71.8 | .615 |
| Ernie Camacho | Cle | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 4 | .267 | 26.1 | .594 |
| Rick Camp | Atl | sp | 31 | 21 | 2 | .095 | 0 | 9 | .429 | 85 | 4.0 | 11 | 3 | .273 | 71.6 | .599 |
| Bill Campbell | Phi | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 4 | .444 | 23.3 | .625 |
| John Candelaria* | Pit | sp | 30 | 28 | 8 | .286 | 4 | 20 | .714 | 123 | 4.4 | 9 | 5 | .556 | 95.6 | .684 |
| Tom Candiotti | Mil | sp | 26 | 6 | 0 | .000 | 0 | 2 | .333 | 35 | 5.8 | 5 | 4 | .800 | 70.1 | .601 |
| Steve Carlton* | Phi | sp | 39 | 33 | 6 | .182 | 1 | 15 | .455 | 140 | 4.2 | 26 | 11 | .423 | 95.7 | .621 |
| Don Carman* | Phi | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 32.8 | .656 |
| Bobby Castillo | Min | mr | 29 | 2 | 0 | .000 | 0 | 0 | .000 | 3 | 1.5 | 2 | 1 | .500 | 37.2 | .531 |
| Keefe Cato | Cin | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 24.5 | .673 |
| Bill Caudill | Oak | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 4 | .211 | 22.7 | .644 |
| Floyd Chiffer | SD | mr | 28 | 1 | 0 | .000 | 0 | 1 | 1.000 | 6 | 6.0 | 5 | 4 | .800 | 31.1 | .596 |
| Clay Christiansen | NYA | mr | 26 | 1 | 0 | .000 | 0 | 1 | 1.000 | 10 | 10.0 | 7 | 0 | .000 | 27.1 | .641 |
| Ralph Citarella | StL | mr | 26 | 2 | 0 | .000 | 0 | 2 | 1.000 | 4 | 2.0 | 4 | 0 | .000 | 40.6 | .649 |
| Jim Clancy | Tor | sp | 28 | 35 | 0 | .000 | 0 | 12 | .343 | 168 | 4.8 | 31 | 17 | .548 | 87.1 | .613 |
| Bryan Clark* | Tor | mr | 27 | 3 | 0 | .000 | 0 | 0 | .000 | 24 | 8.0 | 25 | 14 | .560 | 34.4 | .581 |
| Mark Clear | Bos | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 41 | 13 | .317 | 26.5 | .519 |
| Roger Clemens | Bos | sp | 21 | 20 | 4 | .200 | 1 | 7 | .350 | 118 | 5.9 | 16 | 7 | .438 | 105.0 | .653 |
| Jaime Cocanower | Mil | sp | 27 | 27 | 4 | .148 | 1 | 14 | .519 | 123 | 4.6 | 32 | 12 | .375 | 82.0 | .585 |
| Chris Codiroli | Oak | sp | 26 | 14 | 0 | .000 | 0 | 9 | .643 | 67 | 4.8 | 15 | 4 | .267 | 68.2 | .627 |
| Steve Comer | Cle | sp | 30 | 20 | 0 | .000 | 0 | 7 | .350 | 102 | 5.1 | 21 | 8 | .381 | 79.4 | .631 |
| Keith Comstock* | Min | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 1 | .167 | 29.2 | .566 |
| Tim Conroy* | Oak | mr | 24 | 14 | 1 | .071 | 1 | 7 | .500 | 68 | 4.9 | 22 | 7 | .318 | 61.2 | .548 |
| Doug Corbett | Cal | mr | 31 | 1 | 0 | .000 | 0 | 1 | 1.000 | 4 | 4.0 | 7 | 1 | .143 | 23.0 | .631 |
| Jeff Cornell | SF | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 5 | .417 | 25.9 | .598 |
| Joe Cowley | NYA | sp | 25 | 11 | 2 | .182 | 0 | 6 | .545 | 50 | 4.5 | 11 | 0 | .000 | 77.7 | .613 |
| Danny Cox | StL | sp | 24 | 27 | 1 | .037 | 1 | 13 | .481 | 111 | 4.1 | 17 | 5 | .294 | 88.9 | .609 |
| Steve Crawford | Bos | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 29 | 12 | .414 | 34.6 | .638 |
| John Curtis* | Cal | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 2 | .222 | 34.4 | .581 |
| Ron Darling | NYN | sp | 23 | 33 | 2 | .061 | 0 | 17 | .515 | 150 | 4.5 | 29 | 13 | .448 | 106.8 | .591 |
| Danny Darwin | Tex | sp | 28 | 32 | 3 | .094 | 1 | 14 | .438 | 153 | 4.8 | 25 | 11 | .440 | 94.9 | .640 |
| Mark Davis* | SF | sp | 23 | 27 | 2 | .074 | 1 | 14 | .519 | 118 | 4.4 | 12 | 5 | .417 | 77.4 | .649 |
| Ron Davis | Min | cl | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 9 | .346 | 23.4 | .604 |
| Storm Davis | Bal | sp | 22 | 31 | 7 | .226 | 4 | 15 | .484 | 163 | 5.3 | 26 | 10 | .385 | 107.3 | .632 |
| Bill Dawley | Hou | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 5 | .357 | 20.0 | .606 |
| Ken Dayley* |   | sp | 25 | 6 | 0 | .000 | 0 | 4 | .667 | 25 | 4.2 | 5 | 2 | .400 | 73.5 | .658 |
| Jeff Dedmon | Atl | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 7 | .350 | 22.3 | .630 |
| Jose DeLeon | Pit | sp | 23 | 28 | 5 | .179 | 1 | 19 | .679 | 105 | 3.8 | 11 | 4 | .364 | 111.9 | .593 |
| Luis DeLeon | SD | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 4 | .667 | 23.3 | .616 |
| John Denny | Phi | sp | 31 | 22 | 8 | .364 | 2 | 17 | .773 | 116 | 5.3 | 5 | 0 | .000 | 106.0 | .665 |
| Jim Deshaies* | NYA | sp | 24 | 2 | 0 | .000 | 0 | 0 | .000 | 16 | 8.0 | 3 | 1 | .333 | 91.5 | .519 |
| Carlos Diaz* | LA | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 5 | .313 | 19.1 | .607 |
| Frank DiPino* | Hou | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 3 | .214 | 21.2 | .626 |
| Ken Dixon | Bal | sp | 23 | 2 | 2 | 1.000 | 0 | 1 | .500 | 12 | 6.0 | 0 | 0 | .000 | 118.5 | .641 |
| Richard Dotson | ChA | sp | 25 | 32 | 10 | .313 | 1 | 16 | .500 | 137 | 4.3 | 24 | 9 | .375 | 110.5 | .601 |
| Dave Dravecky* | SD | mr | 28 | 14 | 2 | .143 | 0 | 10 | .714 | 74 | 5.3 | 12 | 3 | .250 | 48.2 | .605 |
| Jamie Easterly* | Cle | mr | 31 | 1 | 1 | 1.000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 31.8 | .648 |
| Dennis Eckersley |   | sp | 29 | 33 | 6 | .182 | 1 | 18 | .545 | 142 | 4.3 | 22 | 8 | .364 | 101.8 | .656 |
| Pete Falcone* | Atl | mr | 30 | 16 | 3 | .188 | 2 | 12 | .750 | 79 | 4.9 | 17 | 6 | .353 | 54.1 | .600 |
| Bob Fallon* | ChA | sp | 24 | 3 | 0 | .000 | 0 | 2 | .667 | 10 | 3.3 | 5 | 4 | .800 | 85.3 | .516 |
| Steve Farr | Cle | sp | 27 | 16 | 0 | .000 | 0 | 6 | .375 | 72 | 4.5 | 19 | 11 | .579 | 67.4 | .607 |
| Sid Fernandez* | NYN | sp | 21 | 15 | 1 | .067 | 0 | 11 | .733 | 52 | 3.5 | 5 | 0 | .000 | 99.5 | .631 |
| Pete Filson* | Min | mr | 25 | 7 | 1 | .143 | 0 | 2 | .286 | 23 | 3.3 | 14 | 4 | .286 | 41.0 | .594 |
| Rollie Fingers | Mil | cl | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 17.6 | .628 |
| Steve Fireovid | Phi | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 1 | .500 | 19.0 | .750 |
| Mike Flanagan* | Bal | sp | 32 | 34 | 14 | .412 | 2 | 19 | .559 | 151 | 4.4 | 19 | 3 | .158 | 97.7 | .620 |
| Ray Fontenot* | NYA | sp | 26 | 24 | 2 | .083 | 1 | 12 | .500 | 116 | 4.8 | 27 | 14 | .519 | 62.2 | .634 |
| Bob Forsch | StL | sp | 34 | 11 | 0 | .000 | 0 | 4 | .364 | 59 | 5.4 | 7 | 2 | .286 | 63.1 | .634 |
| Ken Forsch | Cal | sp | 37 | 2 | 1 | .500 | 0 | 2 | 1.000 | 5 | 2.5 | 0 | 0 | .000 | 133.0 | .669 |
| Terry Forster* | Atl | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 3 | .200 | 12.6 | .661 |
| Johnny Franco* | Cin | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 36 | 10 | .278 | 17.9 | .593 |
| George Frazier |   | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 10 | .435 | 33.1 | .633 |
| Brent Gaff | NYN | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 6 | .429 | 27.2 | .611 |
| Rich Gale | Bos | mr | 30 | 4 | 0 | .000 | 0 | 0 | .000 | 19 | 4.8 | 12 | 4 | .333 | 48.7 | .616 |
| Gene Garber | Atl | mr | 36 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 18.7 | .661 |
| Wes Gardner | NYN | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 1 | .125 | 23.9 | .616 |
| Scott Garrelts | SF | mr | 22 | 3 | 0 | .000 | 0 | 1 | .333 | 8 | 2.7 | 16 | 7 | .438 | 30.8 | .565 |
| Dave Geisel* | Sea | mr | 29 | 3 | 0 | .000 | 0 | 2 | .667 | 17 | 5.7 | 8 | 2 | .250 | 38.2 | .658 |
| Bob Gibson | Mil | sp | 27 | 9 | 0 | .000 | 0 | 3 | .333 | 39 | 4.3 | 10 | 2 | .200 | 64.9 | .603 |
| Jerry Gleaton* | ChA | cl | 26 | 1 | 0 | .000 | 0 | 0 | .000 | 1 | 1.0 | 6 | 1 | .167 | 33.4 | .603 |
| Dwight Gooden | NYN | sp | 19 | 31 | 5 | .161 | 1 | 25 | .806 | 134 | 4.3 | 13 | 2 | .154 | 121.9 | .625 |
| Tom Gorman* | NYN | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 8 | 0 | .000 | 21.4 | .676 |
| Rich Gossage | SD | cl | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 7 | .467 | 21.4 | .634 |
| Jim Gott | Tor | mr | 24 | 12 | 3 | .250 | 3 | 11 | .917 | 71 | 5.9 | 20 | 12 | .600 | 64.0 | .604 |
| Mark Grant | SF | sp | 20 | 10 | 0 | .000 | 0 | 4 | .400 | 45 | 4.5 | 5 | 2 | .400 | 75.0 | .586 |
| Rick Grapenthin | Mon | mr | 26 | 1 | 0 | .000 | 0 | 1 | 1.000 | 11 | 11.0 | 6 | 1 | .167 | 30.1 | .615 |
| Kevin Gross | Phi | mr | 23 | 14 | 2 | .143 | 2 | 6 | .429 | 95 | 6.8 | 29 | 3 | .103 | 56.1 | .611 |
| Cecilio Guante | Pit | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 28.8 | .607 |
| Mark Gubicza | KC | sp | 21 | 29 | 3 | .103 | 1 | 20 | .690 | 126 | 4.3 | 23 | 5 | .217 | 107.2 | .605 |
| Ron Guidry* | NYA | sp | 33 | 28 | 7 | .250 | 3 | 14 | .500 | 137 | 4.9 | 24 | 11 | .458 | 97.1 | .663 |
| Bill Gullickson | Mon | sp | 25 | 32 | 9 | .281 | 1 | 21 | .656 | 132 | 4.1 | 14 | 4 | .286 | 93.2 | .688 |
| Larry Gura* | KC | sp | 36 | 25 | 5 | .200 | 1 | 8 | .320 | 138 | 5.5 | 22 | 8 | .364 | 76.3 | .602 |
| Moose Haas | Mil | sp | 28 | 30 | 6 | .200 | 2 | 10 | .333 | 153 | 5.1 | 26 | 14 | .538 | 96.5 | .655 |
| Kevin Hagen | StL | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 0 | .000 | 19.2 | .646 |
| Atlee Hammaker* | SF | sp | 26 | 6 | 1 | .167 | 1 | 4 | .667 | 22 | 3.7 | 5 | 2 | .400 | 82.9 | .647 |
| Greg Harris |   | mr | 28 | 1 | 0 | .000 | 0 | 0 | .000 | 6 | 6.0 | 5 | 2 | .400 | 29.9 | .602 |
| Paul Hartzell | Mil | mr | 30 | 1 | 0 | .000 | 0 | 0 | .000 | 5 | 5.0 | 2 | 2 | 1.000 | 40.0 | .587 |
| Andy Hawkins | SD | sp | 24 | 22 | 1 | .045 | 0 | 9 | .409 | 98 | 4.5 | 26 | 13 | .500 | 81.2 | .566 |
| Neal Heaton* | Cle | sp | 24 | 34 | 8 | .235 | 2 | 16 | .471 | 183 | 5.4 | 22 | 9 | .409 | 90.1 | .645 |
| Gorman Heimueller* | Oak | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 22.4 | .662 |
| Tom Henke | Tex | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 23.6 | .623 |
| Willie Hernandez* | Det | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 11 | .500 | 19.1 | .649 |
| Orel Hershiser | LA | mr | 25 | 20 | 3 | .150 | 1 | 12 | .600 | 72 | 3.6 | 11 | 6 | .545 | 59.4 | .637 |
| Joe Hesketh* | Mon | sp | 25 | 5 | 1 | .200 | 1 | 5 | 1.000 | 19 | 3.8 | 2 | 0 | .000 | 66.7 | .643 |
| Ed Hodge* | Min | sp | 26 | 15 | 2 | .133 | 0 | 6 | .400 | 37 | 2.5 | 9 | 2 | .222 | 60.7 | .635 |
| Al Holland* | Phi | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 4 | .333 | 19.4 | .638 |
| Rick Honeycutt* | LA | sp | 30 | 28 | 6 | .214 | 4 | 13 | .464 | 121 | 4.3 | 20 | 10 | .500 | 89.3 | .664 |
| Burt Hooton | LA | mr | 34 | 6 | 0 | .000 | 0 | 4 | .667 | 32 | 5.3 | 33 | 10 | .303 | 25.2 | .597 |
| Ricky Horton* | StL | sp | 24 | 18 | 0 | .000 | 0 | 8 | .444 | 96 | 5.3 | 30 | 11 | .367 | 46.0 | .634 |
| Charlie Hough | Tex | sp | 36 | 36 | 12 | .333 | 3 | 17 | .472 | 149 | 4.1 | 30 | 14 | .467 | 110.8 | .608 |
| Jay Howell | NYA | mr | 28 | 1 | 1 | 1.000 | 1 | 1 | 1.000 | 3 | 3.0 | 33 | 19 | .576 | 25.1 | .628 |
| Ken Howell | LA | mr | 23 | 1 | 1 | 1.000 | 0 | 1 | 1.000 | 6 | 6.0 | 15 | 5 | .333 | 19.0 | .698 |
| La Marr Hoyt | ChA | sp | 29 | 34 | 11 | .324 | 2 | 20 | .588 | 167 | 4.9 | 28 | 15 | .536 | 98.9 | .663 |
| Charles Hudson | Phi | sp | 25 | 30 | 3 | .100 | 0 | 15 | .500 | 135 | 4.5 | 16 | 5 | .313 | 88.4 | .639 |
| Mark Huismann | KC | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 6 | .429 | 34.9 | .634 |
| Tom Hume | Cin | mr | 31 | 8 | 0 | .000 | 0 | 2 | .250 | 32 | 4.0 | 26 | 9 | .346 | 29.9 | .633 |
| Bruce Hurst* | Bos | sp | 26 | 33 | 4 | .121 | 1 | 15 | .455 | 141 | 4.3 | 20 | 8 | .400 | 98.8 | .607 |
| Danny Jackson* | KC | sp | 22 | 11 | 4 | .364 | 1 | 10 | .909 | 49 | 4.5 | 6 | 2 | .333 | 91.0 | .618 |
| Roy Lee Jackson | Tor | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 6 | .462 | 16.3 | .615 |
| Bob James | Mon | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 9 | .346 | 17.4 | .621 |
| Mike Jeffcoat* | Cle | mr | 24 | 1 | 0 | .000 | 0 | 1 | 1.000 | 8 | 8.0 | 26 | 10 | .385 | 19.7 | .672 |
| Tommy John* | Cal | sp | 41 | 29 | 3 | .103 | 0 | 12 | .414 | 125 | 4.3 | 23 | 6 | .261 | 95.9 | .632 |
| John Henry Johnson* | Bos | mr | 27 | 3 | 0 | .000 | 0 | 1 | .333 | 13 | 4.3 | 10 | 5 | .500 | 37.5 | .612 |
| Al Jones | ChA | cl | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 6 | .333 | 25.3 | .588 |
| Jeff Jones | Oak | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 24.4 | .610 |
| Mike Jones* | KC | sp | 24 | 12 | 0 | .000 | 0 | 6 | .500 | 72 | 6.0 | 15 | 9 | .600 | 54.8 | .584 |
| Odell Jones | Tex | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 9 | .643 | 19.8 | .595 |
| Curt Kaufman | Cal | mr | 26 | 1 | 0 | .000 | 0 | 1 | 1.000 | 1 | 1.0 | 6 | 2 | .333 | 45.4 | .633 |
| Kurt Kepshire | StL | sp | 24 | 16 | 3 | .188 | 2 | 9 | .563 | 54 | 3.4 | 15 | 3 | .200 | 96.8 | .615 |
| Jim Kern |   | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 0 | .000 | 18.7 | .574 |
| Jimmy Key* | Tor | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 38 | 5 | .132 | 19.4 | .639 |
| Bruce Kison | Cal | mr | 34 | 7 | 0 | .000 | 0 | 1 | .143 | 19 | 2.7 | 12 | 8 | .667 | 61.7 | .619 |
| Bob Knepper* | Hou | sp | 30 | 34 | 7 | .206 | 3 | 19 | .559 | 160 | 4.7 | 23 | 7 | .304 | 97.8 | .649 |
| Jerry Koosman* | Phi | sp | 41 | 35 | 4 | .114 | 0 | 23 | .657 | 165 | 4.7 | 24 | 7 | .292 | 104.3 | .651 |
| Ray Krawczyk | Pit | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 12.0 | .500 |
| Bill Krueger* | Oak | sp | 26 | 24 | 2 | .083 | 1 | 11 | .458 | 112 | 4.7 | 25 | 10 | .400 | 96.8 | .567 |
| Mike Krukow | SF | sp | 32 | 33 | 0 | .000 | 0 | 14 | .424 | 145 | 4.4 | 21 | 8 | .381 | 94.6 | .614 |
| Bob Lacey* | SF | mr | 30 | 1 | 0 | .000 | 0 | 1 | 1.000 | 7 | 7.0 | 9 | 4 | .444 | 21.3 | .650 |
| Frank LaCorte | Cal | mr | 32 | 1 | 0 | .000 | 0 | 0 | .000 | 5 | 5.0 | 9 | 2 | .222 | 33.5 | .618 |
| Mike LaCoss | Hou | mr | 28 | 18 | 0 | .000 | 0 | 10 | .556 | 77 | 4.3 | 19 | 10 | .526 | 58.5 | .616 |
| Pete Ladd | Mil | mr | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 6 | 6.0 | 19 | 6 | .316 | 27.0 | .622 |
| Jeff Lahti | StL | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 13 | .520 | 25.0 | .602 |
| Dennis Lamp | Tor | mr | 31 | 4 | 0 | .000 | 0 | 3 | .750 | 15 | 3.8 | 22 | 5 | .227 | 26.4 | .627 |
| Rick Langford | Oak | sp | 32 | 2 | 0 | .000 | 0 | 0 | .000 | 6 | 3.0 | 0 | 0 | .000 | 69.5 | .597 |
| Mark Langston* | Sea | sp | 23 | 33 | 6 | .182 | 1 | 22 | .667 | 144 | 4.4 | 21 | 8 | .381 | 116.5 | .596 |
| Dave LaPoint* | StL | sp | 24 | 33 | 4 | .121 | 2 | 12 | .364 | 112 | 3.4 | 37 | 10 | .270 | 88.5 | .618 |
| Bill Laskey | SF | sp | 26 | 34 | 4 | .118 | 1 | 16 | .471 | 169 | 5.0 | 25 | 7 | .280 | 93.2 | .660 |
| Gary Lavelle* | SF | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 11 | .550 | 18.1 | .616 |
| Jack Lazorko | Mil | mr | 28 | 1 | 0 | .000 | 0 | 1 | 1.000 | 6 | 6.0 | 8 | 1 | .125 | 41.7 | .574 |
| Charlie Lea | Mon | sp | 27 | 31 | 8 | .258 | 3 | 16 | .516 | 111 | 3.6 | 16 | 3 | .188 | 101.6 | .616 |
| Luis Leal | Tor | sp | 27 | 35 | 5 | .143 | 0 | 17 | .486 | 151 | 4.3 | 21 | 12 | .571 | 95.9 | .620 |
| Tim Leary | NYN | mr | 25 | 7 | 0 | .000 | 0 | 5 | .714 | 44 | 6.3 | 6 | 2 | .333 | 51.1 | .630 |
| Craig Lefferts* | SD | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 9 | .429 | 19.8 | .643 |
| Charlie Leibrandt* | KC | sp | 27 | 23 | 7 | .304 | 4 | 16 | .696 | 101 | 4.4 | 15 | 6 | .400 | 95.1 | .639 |
| Dave Leiper* | Oak | mr | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 28.0 | .550 |
| Randy Lerch* | SF | mr | 29 | 4 | 0 | .000 | 0 | 1 | .250 | 13 | 3.3 | 19 | 8 | .421 | 29.4 | .564 |
| Brad Lesley | Cin | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 10 | 2 | .200 | 23.6 | .572 |
| Tim Lollar* | SD | sp | 28 | 31 | 3 | .097 | 1 | 26 | .839 | 94 | 3.0 | 22 | 8 | .364 | 108.6 | .602 |
| Aurelio Lopez | Det | mr | 35 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 9 | .360 | 21.0 | .608 |
| Gary Lucas* | Mon | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 5 | .357 | 17.2 | .638 |
| Ed Lynch | NYN | mr | 28 | 13 | 2 | .154 | 0 | 6 | .462 | 47 | 3.6 | 16 | 8 | .500 | 54.6 | .655 |
| Rick Lysander | Min | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 6 | .545 | 23.4 | .614 |
| Mike Madden* | Hou | mr | 26 | 7 | 0 | .000 | 0 | 2 | .286 | 26 | 3.7 | 14 | 9 | .643 | 54.6 | .541 |
| Rick Mahler | Atl | sp | 30 | 29 | 2 | .069 | 0 | 15 | .517 | 127 | 4.4 | 24 | 4 | .167 | 91.1 | .638 |
| Renie Martin |   | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 6 | .353 | 24.6 | .570 |
| Dennis Martinez | Bal | sp | 29 | 20 | 3 | .150 | 0 | 7 | .350 | 82 | 4.1 | 17 | 5 | .294 | 62.4 | .640 |
| Tippy Martinez* | Bal | cl | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 9 | .529 | 19.6 | .617 |
| Mike Mason* | Tex | sp | 25 | 24 | 6 | .250 | 1 | 16 | .667 | 93 | 3.9 | 20 | 6 | .300 | 81.6 | .642 |
| Roger Mason | Det | sp | 25 | 2 | 0 | .000 | 0 | 1 | .500 | 10 | 5.0 | 4 | 0 | .000 | 43.6 | .587 |
| Steve McCatty | Oak | sp | 30 | 30 | 1 | .033 | 0 | 17 | .567 | 157 | 5.2 | 31 | 13 | .419 | 96.5 | .620 |
| Bob McClure* | Mil | mr | 32 | 18 | 1 | .056 | 1 | 6 | .333 | 71 | 3.9 | 32 | 14 | .438 | 50.9 | .605 |
| Andy McGaffigan |   | mr | 27 | 6 | 0 | .000 | 0 | 4 | .667 | 19 | 3.2 | 13 | 9 | .692 | 35.9 | .631 |
| Tug McGraw* | Phi | mr | 39 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 1 | .200 | 23.0 | .679 |
| Scott McGregor* | Bal | sp | 30 | 30 | 8 | .267 | 2 | 17 | .567 | 123 | 4.1 | 18 | 8 | .444 | 102.9 | .638 |
| Joey McLaughlin |   | mr | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 9 | .600 | 27.6 | .607 |
| Craig McMurtry | Atl | sp | 24 | 30 | 3 | .100 | 0 | 15 | .500 | 131 | 4.4 | 28 | 15 | .536 | 84.7 | .598 |
| Larry McWilliams* | Pit | sp | 30 | 32 | 5 | .156 | 0 | 21 | .656 | 128 | 4.0 | 20 | 7 | .350 | 108.0 | .621 |
| Greg Minton | SF | cl | 32 | 1 | 0 | .000 | 0 | 0 | .000 | 6 | 6.0 | 35 | 9 | .257 | 19.4 | .614 |
| Paul Mirabella* | Sea | mr | 30 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 39 | 16 | .410 | 20.0 | .597 |
| Charlie Mitchell | Bos | mr | 22 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 0 | .000 | 30.0 | .629 |
| Sid Monge* |   | mr | 33 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 1 | .077 | 26.9 | .600 |
| John Montefusco | NYA | sp | 34 | 11 | 2 | .182 | 1 | 7 | .636 | 58 | 5.3 | 8 | 1 | .125 | 85.2 | .641 |
| Donnie Moore | Atl | cl | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 21.2 | .666 |
| Mike Moore | Sea | sp | 24 | 33 | 6 | .182 | 1 | 14 | .424 | 160 | 4.8 | 27 | 10 | .370 | 104.6 | .620 |
| Jack Morris | Det | sp | 29 | 35 | 4 | .114 | 1 | 22 | .629 | 203 | 5.8 | 41 | 14 | .341 | 112.7 | .612 |
| Dale Murray | NYA | mr | 34 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 21.9 | .652 |
| Ron Musselman | Tor | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 2 | .667 | 35.6 | .601 |
| Gene Nelson | ChA | mr | 23 | 9 | 1 | .111 | 1 | 4 | .444 | 50 | 5.6 | 7 | 1 | .143 | 59.7 | .645 |
| Tom Niedenfuer | LA | cl | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 20.2 | .635 |
| Joe Niekro | Hou | sp | 39 | 38 | 5 | .132 | 2 | 19 | .500 | 194 | 5.1 | 26 | 9 | .346 | 97.3 | .605 |
| Phil Niekro | NYA | sp | 45 | 31 | 4 | .129 | 3 | 14 | .452 | 117 | 3.8 | 37 | 19 | .514 | 101.0 | .621 |
| Randy Niemann* | ChA | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 0 | .000 | 17.3 | .481 |
| Al Nipper | Bos | sp | 25 | 24 | 7 | .292 | 1 | 16 | .667 | 116 | 4.8 | 22 | 10 | .455 | 74.5 | .632 |
| Dickie Noles |   | mr | 27 | 7 | 0 | .000 | 0 | 2 | .286 | 25 | 3.6 | 22 | 13 | .591 | 43.3 | .616 |
| Edwin Nunez | Sea | mr | 21 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 4 | .364 | 20.9 | .644 |
| Randy O'Neal | Det | sp | 23 | 3 | 0 | .000 | 0 | 2 | .667 | 14 | 4.7 | 3 | 2 | .667 | 56.2 | .637 |
| Bobby Ojeda* | Bos | sp | 26 | 32 | 7 | .219 | 0 | 15 | .469 | 114 | 3.6 | 26 | 10 | .385 | 99.1 | .603 |
| Jesse Orosco* | NYN | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 11 | 3 | .273 | 19.8 | .631 |
| Bob Owchinko* | Cin | mr | 29 | 4 | 0 | .000 | 0 | 3 | .750 | 14 | 3.5 | 17 | 6 | .353 | 27.8 | .612 |
| Rick Ownbey | StL | sp | 26 | 4 | 0 | .000 | 0 | 2 | .500 | 7 | 1.8 | 8 | 0 | .000 | 93.0 | .578 |
| John Pacella | Bal | mr | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 3 | 3 | 1.000 | 46.3 | .535 |
| David Palmer | Mon | sp | 26 | 19 | 1 | .053 | 0 | 9 | .474 | 80 | 4.2 | 19 | 7 | .368 | 96.0 | .622 |
| Jim Palmer | Bal | sp | 38 | 3 | 0 | .000 | 0 | 0 | .000 | 12 | 4.0 | 7 | 1 | .143 | 54.5 | .544 |
| Larry Pashnick | Min | mr | 28 | 1 | 1 | 1.000 | 0 | 0 | .000 | 1 | 1.0 | 10 | 3 | .300 | 42.8 | .620 |
| Frank Pastore | Cin | sp | 26 | 16 | 0 | .000 | 0 | 4 | .250 | 57 | 3.6 | 16 | 4 | .250 | 54.3 | .596 |
| Reggie Patterson | ChN | sp | 25 | 1 | 0 | .000 | 0 | 1 | 1.000 | 5 | 5.0 | 1 | 0 | .000 | 99.0 | .697 |
| Mike Payne | Atl | sp | 22 | 1 | 0 | .000 | 0 | 0 | .000 | 1 | 1.0 | 2 | 1 | .500 | 106.0 | .594 |
| Alejandro Pena | LA | sp | 25 | 28 | 4 | .143 | 0 | 21 | .750 | 95 | 3.4 | 11 | 5 | .455 | 100.9 | .644 |
| Pascual Perez | Atl | sp | 27 | 30 | 0 | .000 | 0 | 17 | .567 | 101 | 3.4 | 18 | 2 | .111 | 95.3 | .644 |
| Dan Petry | Det | sp | 25 | 35 | 10 | .286 | 4 | 16 | .457 | 208 | 5.9 | 35 | 11 | .314 | 98.3 | .641 |
| Chuck Porter | Mil | sp | 28 | 12 | 2 | .167 | 0 | 6 | .500 | 36 | 3.0 | 7 | 1 | .143 | 64.4 | .694 |
| Ted Power | Cin | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 26 | 12 | .462 | 21.1 | .594 |
| Joe Price* | Cin | sp | 27 | 30 | 2 | .067 | 1 | 14 | .467 | 128 | 4.3 | 28 | 9 | .321 | 82.9 | .650 |
| Charlie Puleo | Cin | sp | 29 | 4 | 0 | .000 | 0 | 2 | .500 | 12 | 3.0 | 2 | 2 | 1.000 | 84.8 | .578 |
| Dan Quisenberry | KC | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 18 | 5 | .278 | 19.6 | .719 |
| Chuck Rainey |   | sp | 29 | 16 | 1 | .063 | 1 | 7 | .438 | 77 | 4.8 | 28 | 11 | .393 | 58.9 | .607 |
| Dennis Rasmussen* | NYA | sp | 25 | 24 | 1 | .042 | 0 | 13 | .542 | 118 | 4.9 | 18 | 4 | .222 | 102.4 | .597 |
| Shane Rawley* |   | sp | 28 | 28 | 1 | .036 | 1 | 18 | .643 | 110 | 3.9 | 14 | 5 | .357 | 96.3 | .611 |
| Jeff Reardon | Mon | cl | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 8 | .533 | 18.2 | .622 |
| Ron Reed | ChA | cl | 41 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 10 | .455 | 20.1 | .666 |
| Rick Reuschel | ChN | sp | 35 | 14 | 0 | .000 | 0 | 3 | .214 | 86 | 6.1 | 20 | 11 | .550 | 52.6 | .623 |
| Jerry Reuss* | LA | sp | 35 | 15 | 4 | .267 | 0 | 14 | .933 | 48 | 3.2 | 12 | 6 | .500 | 58.1 | .665 |
| Rick Rhoden | Pit | sp | 31 | 33 | 8 | .242 | 2 | 22 | .667 | 124 | 3.8 | 23 | 5 | .217 | 108.1 | .637 |
| Dave Righetti* | NYA | cl | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 3 | .250 | 23.1 | .619 |
| Jose Rijo | NYA | mr | 19 | 5 | 0 | .000 | 0 | 1 | .200 | 39 | 7.8 | 12 | 5 | .417 | 43.3 | .599 |
| George Riley* | SF | sp | 27 | 4 | 0 | .000 | 0 | 1 | .250 | 27 | 6.8 | 7 | 3 | .429 | 61.6 | .617 |
| Bert Roberge | ChA | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 2 | .400 | 30.9 | .608 |
| Don Robinson | Pit | mr | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 2 | 2.0 | 17 | 8 | .471 | 23.8 | .602 |
| Jeff Robinson | SF | sp | 23 | 33 | 1 | .030 | 0 | 17 | .515 | 186 | 5.6 | 28 | 10 | .357 | 80.4 | .630 |
| Ron Robinson | Cin | mr | 22 | 5 | 2 | .400 | 0 | 4 | .800 | 24 | 4.8 | 4 | 3 | .750 | 71.6 | .651 |
| Rich Rodas* | LA | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 15.3 | .656 |
| Steve Rogers | Mon | sp | 34 | 28 | 1 | .036 | 0 | 6 | .214 | 86 | 3.1 | 29 | 11 | .379 | 92.7 | .599 |
| Jose Roman | Cle | sp | 21 | 2 | 0 | .000 | 0 | 0 | .000 | 12 | 6.0 | 3 | 0 | .000 | 67.5 | .467 |
| Ron Romanick | Cal | sp | 23 | 33 | 6 | .182 | 1 | 16 | .485 | 121 | 3.7 | 26 | 7 | .269 | 92.2 | .638 |
| Dave Rozema | Det | sp | 27 | 16 | 2 | .125 | 1 | 11 | .688 | 86 | 5.4 | 20 | 7 | .350 | 64.4 | .675 |
| Dave Rucker* | StL | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 7 | .318 | 19.0 | .598 |
| Vern Ruhle | Hou | mr | 33 | 6 | 0 | .000 | 0 | 3 | .500 | 18 | 3.0 | 21 | 12 | .571 | 35.1 | .654 |
| Jeff Russell | Cin | sp | 22 | 30 | 0 | .000 | 0 | 14 | .467 | 106 | 3.5 | 21 | 5 | .238 | 82.3 | .623 |
| Dick Ruthven | ChN | sp | 33 | 23 | 1 | .043 | 0 | 10 | .435 | 100 | 4.3 | 25 | 12 | .480 | 88.2 | .626 |
| Nolan Ryan | Hou | sp | 37 | 30 | 4 | .133 | 1 | 21 | .700 | 135 | 4.5 | 10 | 2 | .200 | 108.1 | .618 |
| Bret Saberhagen | KC | mr | 20 | 18 | 3 | .167 | 1 | 8 | .444 | 93 | 5.2 | 18 | 7 | .389 | 66.7 | .653 |
| Joe Sambito* | Hou | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 12 | 5 | .417 | 19.2 | .638 |
| Luis Sanchez | Cal | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 3 | 1 | .333 | 20.6 | .632 |
| Scott Sanderson | ChN | sp | 27 | 24 | 9 | .375 | 4 | 16 | .667 | 96 | 4.0 | 13 | 10 | .769 | 94.3 | .671 |
| Dan Schatzeder* | Mon | mr | 29 | 14 | 3 | .214 | 0 | 9 | .643 | 56 | 4.0 | 9 | 0 | .000 | 57.3 | .623 |
| Bill Scherrer* |   | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 23 | 4 | .174 | 22.7 | .606 |
| Calvin Schiraldi | NYN | sp | 22 | 3 | 0 | .000 | 0 | 1 | .333 | 16 | 5.3 | 4 | 3 | .750 | 106.0 | .597 |
| Dave Schmidt | Tex | cl | 27 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 2 | .091 | 21.8 | .644 |
| Ken Schrom | Min | sp | 29 | 21 | 4 | .190 | 2 | 13 | .619 | 69 | 3.3 | 17 | 3 | .176 | 102.8 | .640 |
| Don Schulze |   | sp | 21 | 15 | 1 | .067 | 0 | 6 | .400 | 61 | 4.1 | 19 | 4 | .211 | 75.2 | .638 |
| Mike Scott | Hou | sp | 29 | 29 | 2 | .069 | 1 | 15 | .517 | 120 | 4.1 | 18 | 4 | .222 | 88.5 | .633 |
| Rod Scurry* | Pit | mr | 28 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 6 | 5 | .833 | 20.2 | .622 |
| Ray Searage* | Mil | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 27.2 | .633 |
| Tom Seaver | ChA | sp | 39 | 33 | 8 | .242 | 2 | 14 | .424 | 140 | 4.2 | 20 | 10 | .500 | 99.7 | .642 |
| Bob Shirley* | NYA | mr | 30 | 7 | 1 | .143 | 1 | 3 | .429 | 28 | 4.0 | 20 | 4 | .200 | 36.0 | .636 |
| Eric Show | SD | sp | 28 | 32 | 5 | .156 | 2 | 18 | .563 | 125 | 3.9 | 19 | 9 | .474 | 104.3 | .584 |
| Doug Sisk | NYN | cl | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 19 | 7 | .368 | 18.1 | .559 |
| Jim Slaton | Cal | sp | 34 | 22 | 4 | .182 | 0 | 10 | .455 | 93 | 4.2 | 26 | 2 | .077 | 83.7 | .626 |
| Bryn Smith | Mon | sp | 28 | 28 | 4 | .143 | 1 | 17 | .607 | 115 | 4.1 | 23 | 6 | .261 | 96.2 | .639 |
| Dave Smith | Hou | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 15 | 6 | .400 | 21.1 | .634 |
| Lee Smith | ChN | cl | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 4 | .286 | 21.3 | .648 |
| Mike Smith | Cin | mr | 23 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 5 | 3 | .600 | 13.3 | .575 |
| Roy Smith | Cle | sp | 22 | 14 | 0 | .000 | 0 | 4 | .286 | 79 | 5.6 | 20 | 10 | .500 | 63.2 | .599 |
| Zane Smith* | Atl | sp | 23 | 3 | 1 | .333 | 1 | 1 | .333 | 4 | 1.3 | 0 | 0 | .000 | 88.3 | .585 |
| Mike Smithson | Min | sp | 29 | 36 | 8 | .222 | 2 | 24 | .667 | 167 | 4.6 | 23 | 3 | .130 | 100.6 | .654 |
| Nate Snell | Bal | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 0 | 0 | .000 | 12.0 | .688 |
| Julio Solano | Hou | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 24.6 | .627 |
| Lary Sorensen | Oak | mr | 28 | 21 | 1 | .048 | 1 | 11 | .524 | 125 | 6.0 | 18 | 6 | .333 | 74.3 | .636 |
| Mario Soto | Cin | sp | 27 | 33 | 9 | .273 | 3 | 21 | .636 | 130 | 3.9 | 15 | 7 | .467 | 102.2 | .626 |
| Dan Spillner |   | mr | 32 | 8 | 0 | .000 | 0 | 3 | .375 | 33 | 4.1 | 22 | 7 | .318 | 46.6 | .630 |
| Paul Splittorff* | KC | mr | 37 | 3 | 0 | .000 | 0 | 0 | .000 | 14 | 4.7 | 10 | 3 | .300 | 26.0 | .618 |
| Bob Stanley | Bos | cl | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 5 | .556 | 19.9 | .691 |
| Mike Stanton | Sea | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 13 | 1 | .077 | 20.6 | .620 |
| Rick Steirer | Cal | sp | 27 | 1 | 0 | .000 | 0 | 0 | .000 | 2 | 2.0 | 1 | 1 | 1.000 | 48.0 | .688 |
| Dave Stewart | Tex | sp | 27 | 27 | 2 | .074 | 2 | 17 | .630 | 108 | 4.0 | 23 | 6 | .261 | 85.9 | .596 |
| Sammy Stewart | Bal | mr | 29 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 21 | 4 | .190 | 20.1 | .582 |
| Dave Stieb | Tor | sp | 26 | 35 | 14 | .400 | 3 | 23 | .657 | 170 | 4.9 | 16 | 10 | .625 | 116.5 | .621 |
| Bob Stoddard | Sea | mr | 27 | 6 | 2 | .333 | 0 | 1 | .167 | 45 | 7.5 | 15 | 4 | .267 | 52.2 | .598 |
| Tim Stoddard | ChN | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 17 | 3 | .176 | 20.9 | .580 |
| John Stuper | StL | sp | 27 | 12 | 1 | .083 | 0 | 6 | .500 | 65 | 5.4 | 13 | 7 | .538 | 81.5 | .626 |
| Rick Sutcliffe |   | sp | 28 | 35 | 6 | .171 | 0 | 19 | .543 | 164 | 4.7 | 33 | 14 | .424 | 102.7 | .624 |
| Bruce Sutter | StL | cl | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 14 | 5 | .357 | 20.6 | .644 |
| Don Sutton | Mil | sp | 39 | 33 | 5 | .152 | 2 | 16 | .485 | 149 | 4.5 | 29 | 6 | .207 | 93.1 | .641 |
| Bill Swaggerty | Bal | mr | 27 | 6 | 0 | .000 | 0 | 2 | .333 | 27 | 4.5 | 10 | 3 | .300 | 48.9 | .616 |
| Craig Swan |   | mr | 33 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 0 | 0 | .000 | 44.7 | .739 |
| Frank Tanana* | Tex | sp | 30 | 35 | 8 | .229 | 1 | 21 | .600 | 157 | 4.5 | 14 | 4 | .286 | 96.4 | .625 |
| Kent Tekulve | Pit | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 20 | 9 | .450 | 17.9 | .653 |
| Tom Tellmann | Mil | mr | 30 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 30 | 8 | .267 | 26.3 | .635 |
| Walt Terrell | NYN | sp | 26 | 33 | 3 | .091 | 1 | 14 | .424 | 150 | 4.5 | 30 | 8 | .267 | 96.9 | .613 |
| Roy Thomas | Sea | mr | 31 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 21 | 3 | .143 | 37.3 | .521 |
| Mark Thurmond* | SD | sp | 27 | 29 | 5 | .172 | 1 | 22 | .759 | 128 | 4.4 | 13 | 1 | .077 | 96.4 | .625 |
| Jay Tibbs | Cin | sp | 22 | 14 | 3 | .214 | 0 | 7 | .500 | 55 | 3.9 | 15 | 4 | .267 | 92.2 | .615 |
| Dick Tidrow | NYN | mr | 37 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 1 | 1 | 1.000 | 31.3 | .638 |
| Dave Tobik | Tex | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 9 | 8 | .889 | 24.6 | .624 |
| Freddie Toliver | Cin | sp | 23 | 1 | 1 | 1.000 | 0 | 1 | 1.000 | 4 | 4.0 | 0 | 0 | .000 | 127.0 | .559 |
| Mike Torrez |   | sp | 37 | 8 | 0 | .000 | 0 | 2 | .250 | 22 | 2.8 | 14 | 4 | .286 | 62.8 | .616 |
| Steve Trout* | ChN | sp | 26 | 31 | 6 | .194 | 2 | 20 | .645 | 146 | 4.7 | 21 | 12 | .571 | 102.5 | .634 |
| John Tudor* | Pit | sp | 30 | 32 | 4 | .125 | 1 | 24 | .750 | 123 | 3.8 | 13 | 4 | .308 | 103.6 | .637 |
| Lee Tunnell | Pit | mr | 23 | 6 | 1 | .167 | 0 | 4 | .667 | 25 | 4.2 | 6 | 2 | .333 | 42.5 | .579 |
| Jerry Ujdur | Cle | sp | 27 | 3 | 0 | .000 | 0 | 0 | .000 | 24 | 8.0 | 5 | 0 | .000 | 56.3 | .586 |
| Tom Underwood* | Bal | mr | 30 | 1 | 0 | .000 | 0 | 1 | 1.000 | 3 | 3.0 | 12 | 9 | .750 | 34.3 | .606 |
| Fernando Valenzuela* | LA | sp | 23 | 34 | 14 | .412 | 3 | 25 | .735 | 103 | 3.0 | 13 | 8 | .615 | 117.1 | .627 |
| Ed Vande Berg* | Sea | mr | 25 | 17 | 1 | .059 | 0 | 7 | .412 | 85 | 5.0 | 22 | 9 | .409 | 59.7 | .586 |
| Frank Viola* | Min | sp | 24 | 35 | 9 | .257 | 2 | 20 | .571 | 146 | 4.2 | 16 | 2 | .125 | 106.0 | .623 |
| Dave Von Ohlen* | StL | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 7 | 0 | .000 | 21.8 | .671 |
| Tom Waddell | Cle | mr | 25 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 9 | .409 | 29.3 | .629 |
| Rick Waits* | Mil | mr | 32 | 1 | 0 | .000 | 0 | 0 | .000 | 3 | 3.0 | 25 | 5 | .200 | 21.3 | .633 |
| Bob Walk | Pit | sp | 27 | 2 | 0 | .000 | 0 | 2 | 1.000 | 5 | 2.5 | 0 | 0 | .000 | 99.0 | .646 |
| Mike Walters | Min | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 22 | 12 | .545 | 26.1 | .574 |
| Mike Warren | Oak | sp | 23 | 12 | 0 | .000 | 0 | 7 | .583 | 53 | 4.4 | 17 | 5 | .294 | 58.0 | .629 |
| Dave Wehrmeister | Phi | mr | 31 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 4 | 2 | .500 | 28.3 | .656 |
| Bob Welch | LA | sp | 27 | 29 | 1 | .034 | 0 | 17 | .586 | 106 | 3.7 | 17 | 1 | .059 | 99.6 | .644 |
| Larry White | LA | mr | 25 | 1 | 0 | .000 | 0 | 0 | .000 | 4 | 4.0 | 4 | 2 | .500 | 23.7 | .596 |
| Len Whitehouse* | Min | mr | 26 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 16 | 9 | .563 | 18.4 | .572 |
| Eddie Whitson | SD | sp | 29 | 31 | 6 | .194 | 3 | 23 | .742 | 140 | 4.5 | 19 | 5 | .263 | 96.6 | .628 |
| Milt Wilcox | Det | sp | 34 | 33 | 3 | .091 | 1 | 19 | .576 | 199 | 6.0 | 19 | 7 | .368 | 103.0 | .621 |
| Albert Williams | Min | sp | 30 | 11 | 0 | .000 | 0 | 2 | .182 | 41 | 3.7 | 20 | 10 | .500 | 63.2 | .607 |
| Frank Williams | SF | mr | 26 | 1 | 0 | .000 | 0 | 1 | 1.000 | 1 | 1.0 | 18 | 3 | .167 | 28.6 | .602 |
| Carl Willis |   | cl | 23 | 2 | 0 | .000 | 0 | 0 | .000 | 17 | 8.5 | 8 | 2 | .250 | 26.0 | .679 |
| Frank Wills | KC | sp | 25 | 5 | 0 | .000 | 0 | 0 | .000 | 26 | 5.2 | 12 | 4 | .333 | 58.2 | .607 |
| Jim Winn | Pit | mr | 24 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 2 | 2 | 1.000 | 26.5 | .629 |
| Mike Witt | Cal | sp | 23 | 34 | 14 | .412 | 5 | 20 | .588 | 154 | 4.5 | 21 | 6 | .286 | 118.5 | .638 |
| Ricky Wright* | Tex | mr | 25 | 1 | 0 | .000 | 0 | 0 | .000 | 11 | 11.0 | 5 | 1 | .200 | 46.9 | .544 |
| Curt Young* | Oak | sp | 24 | 17 | 4 | .235 | 1 | 11 | .647 | 74 | 4.4 | 8 | 3 | .375 | 100.8 | .652 |
| Matt Young* | Sea | sp | 25 | 22 | 1 | .045 | 0 | 6 | .273 | 83 | 3.8 | 20 | 6 | .300 | 95.1 | .605 |
| Pat Zachry | LA | mr | 32 | 0 | 0 | .000 | 0 | 0 | .000 | 0 | 0.0 | 25 | 7 | .280 | 19.9 | .584 |
| Geoff Zahn* | Cal | sp | 38 | 27 | 12 | .444 | 3 | 17 | .630 | 129 | 4.8 | 13 | 5 | .385 | 107.4 | .640 |
| Relief |
| Name | Team | P | Age | SVO | S | SV% | BS | BS% | HLD | IR | IRS | IR% | G | GR | GF | PCH/G | STR% |
| Don Aase | Cal | cl | 29 | 18 | 15 | .833 | 3 | .167 | 0 | 17 | 9 | .529 | 25 | 25 | 21 | 22.5 | .609 |
| Glenn Abbott | Det | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 0 | .000 | 16 | 8 | 4 | 60.8 | .683 |
| Jim Acker | Tor | mr | 25 | 1 | 0 | .000 | 1 | 1.000 | 0 | 25 | 11 | .440 | 28 | 25 | 13 | 38.8 | .603 |
| Juan Agosto* | ChA | mr | 26 | 15 | 7 | .467 | 5 | .333 | 7 | 56 | 25 | .446 | 61 | 61 | 32 | 19.7 | .552 |
| Doyle Alexander | Tor | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 107.0 | .649 |
| Neil Allen | StL | mr | 26 | 8 | 4 | .500 | 1 | .125 | 1 | 39 | 10 | .256 | 52 | 51 | 26 | 27.7 | .622 |
| Porfi Altamirano | ChN | mr | 32 | 1 | 1 | 1.000 | 0 | .000 | 0 | 8 | 1 | .125 | 7 | 7 | 5 | 8.9 | .758 |
| Larry Andersen | Phi | mr | 31 | 11 | 5 | .455 | 5 | .455 | 9 | 42 | 7 | .167 | 76 | 76 | 38 | 18.6 | .640 |
| Joaquin Andujar | StL | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 36 | 0 | 0 | 96.3 | .637 |
| Luis Aponte | Cle | mr | 31 | 5 | 2 | .400 | 2 | .400 | 0 | 21 | 6 | .286 | 33 | 33 | 18 | 25.6 | .614 |
| Mike Armstrong | NYA | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 1 | 44 | 17 | .386 | 39 | 39 | 12 | 25.3 | .572 |
| Keith Atherton | Oak | mr | 25 | 1 | 1 | 1.000 | 0 | .000 | 0 | 65 | 25 | .385 | 51 | 51 | 15 | 32.7 | .627 |
| Jerry Augustine* | Mil | mr | 31 | 0 | 0 | .000 | 0 | .000 | 1 | 0 | 0 | .000 | 1 | 1 | 0 | 9.0 | .444 |
| Doug Bair | Det | mr | 34 | 10 | 5 | .500 | 4 | .400 | 2 | 53 | 14 | .264 | 51 | 50 | 28 | 28.6 | .597 |
| Floyd Bannister* | ChA | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 98.9 | .623 |
| Greg Bargar | Mon | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 2 | 1 | 1 | 45.0 | .533 |
| Len Barker | Atl | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 104.9 | .629 |
| Salome Barojas |   | sp | 27 | 3 | 2 | .667 | 1 | .333 | 1 | 35 | 18 | .514 | 43 | 29 | 14 | 53.7 | .594 |
| Dave Beard | Sea | mr | 24 | 2 | 1 | .500 | 0 | .000 | 5 | 67 | 25 | .373 | 63 | 63 | 21 | 27.9 | .596 |
| Jim Beattie | Sea | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 101.1 | .619 |
| Joe Beckwith | KC | mr | 29 | 7 | 4 | .571 | 3 | .429 | 0 | 22 | 12 | .545 | 31 | 30 | 21 | 32.4 | .633 |
| Steve Bedrosian | Atl | cl | 26 | 7 | 4 | .571 | 1 | .143 | 8 | 38 | 13 | .342 | 56 | 52 | 18 | 24.0 | .624 |
| Andy Beene | Mil | sp | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 2 | 0 | .000 | 6 | 3 | 2 | 60.7 | .580 |
| Rick Behenna | Cle | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 52.3 | .497 |
| Juan Berenguer | Det | sp | 29 | 1 | 0 | .000 | 1 | 1.000 | 2 | 5 | 2 | .400 | 33 | 6 | 2 | 84.5 | .583 |
| Bruce Berenyi |   | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 1 | 1 | 93.2 | .596 |
| Jeff Bettendorf | Oak | cl | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 3 | 1.000 | 4 | 4 | 2 | 36.8 | .578 |
| Jim Bibby | Tex | mr | 39 | 0 | 0 | .000 | 0 | .000 | 0 | 15 | 3 | .200 | 11 | 11 | 3 | 45.7 | .590 |
| Bud Black* | KC | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 104.9 | .647 |
| Bert Blyleven | Cle | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 114.6 | .631 |
| Mike Boddicker | Bal | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 102.6 | .618 |
| Greg Booker | SD | mr | 24 | 2 | 1 | .500 | 1 | .500 | 0 | 28 | 15 | .536 | 34 | 33 | 15 | 29.8 | .592 |
| Rich Bordi | ChN | mr | 25 | 3 | 3 | 1.000 | 0 | .000 | 0 | 8 | 2 | .250 | 21 | 14 | 12 | 41.4 | .631 |
| Oil Can Boyd | Bos | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 1 | 1 | 113.0 | .651 |
| Fred Breining | Mon | mr | 28 | 1 | 1 | 1.000 | 0 | .000 | 0 | 7 | 1 | .143 | 8 | 8 | 1 | 33.3 | .541 |
| Tom Brennan | ChA | mr | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 4 | 3 | 0 | 42.0 | .571 |
| Tony Brizzolara | Atl | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 2 | 1 | 72.8 | .613 |
| Curt Brown | NYA | mr | 24 | 0 | 0 | .000 | 0 | .000 | 3 | 11 | 5 | .455 | 13 | 13 | 3 | 19.5 | .613 |
| Mark Brown | Bal | mr | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 14 | 3 | .214 | 13 | 13 | 8 | 42.2 | .651 |
| Mike Brown | Bos | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 | 99.2 | .654 |
| Steve Brown | Cal | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 71.0 | .512 |
| Tom Browning* | Cin | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 120.0 | .706 |
| Warren Brusstar | ChN | mr | 32 | 2 | 2 | 1.000 | 0 | .000 | 1 | 36 | 14 | .389 | 38 | 38 | 11 | 24.6 | .644 |
| Tom Burgmeier* | Oak | mr | 40 | 8 | 5 | .625 | 3 | .375 | 4 | 21 | 6 | .286 | 34 | 34 | 25 | 18.9 | .650 |
| Britt Burns* | ChA | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 20 | 6 | .300 | 32 | 16 | 6 | 62.9 | .635 |
| Ray Burris | Oak | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 110.2 | .599 |
| John Butcher | Min | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 92.6 | .649 |
| Marty Bystrom |   | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 18 | 0 | 0 | 87.1 | .601 |
| Mike Caldwell* | Mil | sp | 35 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 22 | 3 | 3 | 76.0 | .678 |
| Jeff Calhoun* | Hou | mr | 26 | 1 | 1 | 1.000 | 0 | .000 | 3 | 2 | 2 | 1.000 | 12 | 12 | 8 | 13.6 | .748 |
| Mark Calvert | SF | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 6 | 1 | 1 | 71.8 | .615 |
| Ernie Camacho | Cle | cl | 29 | 28 | 14 | .500 | 14 | .500 | 6 | 52 | 27 | .519 | 70 | 70 | 43 | 26.1 | .594 |
| Rick Camp | Atl | sp | 31 | 1 | 0 | .000 | 1 | 1.000 | 0 | 7 | 2 | .286 | 33 | 12 | 4 | 71.6 | .599 |
| Bill Campbell | Phi | mr | 35 | 4 | 3 | .750 | 1 | .250 | 3 | 51 | 16 | .314 | 58 | 58 | 18 | 23.3 | .625 |
| John Candelaria* | Pit | sp | 30 | 1 | 1 | 1.000 | 0 | .000 | 0 | 2 | 0 | .000 | 31 | 3 | 2 | 95.6 | .684 |
| Tom Candiotti | Mil | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 8 | 2 | 2 | 70.1 | .601 |
| Steve Carlton* | Phi | sp | 39 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 95.7 | .621 |
| Don Carman* | Phi | mr | 24 | 1 | 1 | 1.000 | 0 | .000 | 0 | 2 | 1 | .500 | 4 | 4 | 4 | 32.8 | .656 |
| Bobby Castillo | Min | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 0 | 20 | 4 | .200 | 18 | 16 | 10 | 37.2 | .531 |
| Keefe Cato | Cin | mr | 26 | 3 | 3 | 1.000 | 0 | .000 | 0 | 11 | 3 | .273 | 11 | 11 | 7 | 24.5 | .673 |
| Bill Caudill | Oak | cl | 27 | 34 | 25 | .735 | 9 | .265 | 6 | 45 | 7 | .156 | 74 | 74 | 45 | 22.7 | .644 |
| Floyd Chiffer | SD | mr | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 2 | .250 | 11 | 10 | 5 | 31.1 | .596 |
| Clay Christiansen | NYA | mr | 26 | 2 | 1 | .500 | 0 | .000 | 1 | 17 | 10 | .588 | 19 | 18 | 6 | 27.1 | .641 |
| Ralph Citarella | StL | mr | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 2 | .250 | 11 | 9 | 0 | 40.6 | .649 |
| Jim Clancy | Tor | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 87.1 | .613 |
| Bryan Clark* | Tor | mr | 27 | 4 | 2 | .500 | 2 | .500 | 1 | 41 | 23 | .561 | 36 | 33 | 12 | 34.4 | .581 |
| Mark Clear | Bos | mr | 28 | 7 | 3 | .429 | 2 | .286 | 6 | 37 | 13 | .351 | 48 | 48 | 14 | 26.5 | .519 |
| Roger Clemens | Bos | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 20 | 0 | 0 | 105.0 | .653 |
| Jaime Cocanower | Mil | sp | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 3 | 1 | .333 | 34 | 7 | 3 | 82.0 | .585 |
| Chris Codiroli | Oak | sp | 26 | 1 | 1 | 1.000 | 0 | .000 | 0 | 6 | 2 | .333 | 22 | 8 | 6 | 68.2 | .627 |
| Steve Comer | Cle | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 21 | 1 | 1 | 79.4 | .631 |
| Keith Comstock* | Min | mr | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 3 | .750 | 6 | 6 | 1 | 29.2 | .566 |
| Tim Conroy* | Oak | mr | 24 | 1 | 0 | .000 | 1 | 1.000 | 0 | 16 | 9 | .563 | 32 | 18 | 4 | 61.2 | .548 |
| Doug Corbett | Cal | mr | 31 | 3 | 3 | 1.000 | 0 | .000 | 9 | 38 | 6 | .158 | 43 | 42 | 28 | 23.0 | .631 |
| Jeff Cornell | SF | mr | 27 | 5 | 3 | .600 | 2 | .400 | 1 | 12 | 5 | .417 | 29 | 29 | 9 | 25.9 | .598 |
| Joe Cowley | NYA | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 3 | .750 | 15 | 4 | 1 | 77.7 | .613 |
| Danny Cox | StL | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 1 | 1 | 88.9 | .609 |
| Steve Crawford | Bos | mr | 26 | 1 | 1 | 1.000 | 0 | .000 | 2 | 44 | 15 | .341 | 39 | 39 | 10 | 34.6 | .638 |
| John Curtis* | Cal | mr | 36 | 1 | 0 | .000 | 0 | .000 | 0 | 23 | 7 | .304 | 23 | 23 | 10 | 34.4 | .581 |
| Ron Darling | NYN | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 106.8 | .591 |
| Danny Darwin | Tex | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 34 | 2 | 2 | 94.9 | .640 |
| Mark Davis* | SF | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 2 | .667 | 32 | 5 | 4 | 77.4 | .649 |
| Ron Davis | Min | cl | 28 | 19 | 13 | .684 | 6 | .316 | 9 | 46 | 16 | .348 | 72 | 72 | 42 | 23.4 | .604 |
| Storm Davis | Bal | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 107.3 | .632 |
| Bill Dawley | Hou | mr | 26 | 21 | 12 | .571 | 9 | .429 | 6 | 26 | 9 | .346 | 61 | 61 | 32 | 20.0 | .606 |
| Ken Dayley* |   | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 6 | 0 | 0 | 73.5 | .658 |
| Jeff Dedmon | Atl | mr | 24 | 5 | 4 | .800 | 1 | .200 | 2 | 33 | 8 | .242 | 49 | 49 | 17 | 22.3 | .630 |
| Jose DeLeon | Pit | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 111.9 | .593 |
| Luis DeLeon | SD | mr | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 17 | 15 | .882 | 18 | 18 | 7 | 23.3 | .616 |
| John Denny | Phi | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 106.0 | .665 |
| Jim Deshaies* | NYA | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 91.5 | .519 |
| Carlos Diaz* | LA | mr | 26 | 3 | 1 | .333 | 0 | .000 | 2 | 27 | 9 | .333 | 41 | 41 | 8 | 19.1 | .607 |
| Frank DiPino* | Hou | cl | 27 | 16 | 9 | .563 | 7 | .438 | 5 | 25 | 11 | .440 | 53 | 53 | 31 | 21.2 | .626 |
| Ken Dixon | Bal | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 118.5 | .641 |
| Richard Dotson | ChA | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 110.5 | .601 |
| Dave Dravecky* | SD | mr | 28 | 5 | 4 | .800 | 1 | .200 | 1 | 22 | 7 | .318 | 40 | 26 | 18 | 48.2 | .605 |
| Jamie Easterly* | Cle | mr | 31 | 6 | 5 | .833 | 1 | .167 | 2 | 31 | 9 | .290 | 34 | 33 | 26 | 31.8 | .648 |
| Dennis Eckersley |   | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 101.8 | .656 |
| Pete Falcone* | Atl | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 1 | 24 | 8 | .333 | 42 | 26 | 9 | 54.1 | .600 |
| Bob Fallon* | ChA | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 85.3 | .516 |
| Steve Farr | Cle | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 8 | 3 | .375 | 26 | 10 | 2 | 67.4 | .607 |
| Sid Fernandez* | NYN | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 15 | 0 | 0 | 99.5 | .631 |
| Pete Filson* | Min | mr | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 34 | 7 | .206 | 36 | 29 | 14 | 41.0 | .594 |
| Rollie Fingers | Mil | cl | 37 | 15 | 13 | .867 | 2 | .133 | 0 | 22 | 8 | .364 | 42 | 42 | 35 | 17.6 | .628 |
| Steve Fireovid | Phi | mr | 27 | 2 | 1 | .500 | 1 | .500 | 2 | 10 | 6 | .600 | 8 | 8 | 4 | 19.0 | .750 |
| Mike Flanagan* | Bal | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 1 | 1 | 97.7 | .620 |
| Ray Fontenot* | NYA | sp | 26 | 5 | 4 | .800 | 1 | .200 | 3 | 18 | 6 | .333 | 43 | 19 | 10 | 62.2 | .634 |
| Bob Forsch | StL | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 14 | 3 | 1 | 63.1 | .634 |
| Ken Forsch | Cal | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 133.0 | .669 |
| Terry Forster* | Atl | mr | 32 | 5 | 1 | .200 | 3 | .600 | 4 | 16 | 6 | .375 | 31 | 31 | 13 | 12.6 | .661 |
| Johnny Franco* | Cin | mr | 23 | 11 | 6 | .545 | 5 | .455 | 6 | 40 | 16 | .400 | 75 | 75 | 34 | 17.9 | .593 |
| George Frazier |   | mr | 29 | 2 | 0 | .000 | 2 | 1.000 | 0 | 74 | 28 | .378 | 53 | 53 | 15 | 33.1 | .633 |
| Brent Gaff | NYN | mr | 25 | 4 | 0 | .000 | 4 | 1.000 | 0 | 39 | 11 | .282 | 39 | 39 | 15 | 27.2 | .611 |
| Rich Gale | Bos | mr | 30 | 1 | 1 | 1.000 | 0 | .000 | 0 | 18 | 8 | .444 | 16 | 12 | 4 | 48.7 | .616 |
| Gene Garber | Atl | mr | 36 | 23 | 14 | .609 | 7 | .304 | 4 | 37 | 8 | .216 | 72 | 72 | 46 | 18.7 | .661 |
| Wes Gardner | NYN | mr | 23 | 1 | 0 | .000 | 1 | 1.000 | 0 | 11 | 5 | .455 | 11 | 11 | 3 | 23.9 | .616 |
| Scott Garrelts | SF | mr | 22 | 2 | 0 | .000 | 2 | 1.000 | 0 | 12 | 7 | .583 | 24 | 21 | 9 | 30.8 | .565 |
| Dave Geisel* | Sea | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 0 | 16 | 6 | .375 | 19 | 16 | 4 | 38.2 | .658 |
| Bob Gibson | Mil | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 0 | .000 | 15 | 6 | 5 | 64.9 | .603 |
| Jerry Gleaton* | ChA | cl | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 9 | 4 | .444 | 7 | 6 | 2 | 33.4 | .603 |
| Dwight Gooden | NYN | sp | 19 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 121.9 | .625 |
| Tom Gorman* | NYN | mr | 26 | 6 | 5 | .833 | 0 | .000 | 2 | 28 | 7 | .250 | 52 | 52 | 33 | 21.4 | .676 |
| Rich Gossage | SD | cl | 32 | 35 | 19 | .543 | 15 | .429 | 5 | 46 | 12 | .261 | 74 | 74 | 49 | 21.4 | .634 |
| Jim Gott | Tor | mr | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 20 | 13 | .650 | 29 | 17 | 3 | 64.0 | .604 |
| Mark Grant | SF | sp | 20 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 3 | 1.000 | 12 | 2 | 2 | 75.0 | .586 |
| Rick Grapenthin | Mon | mr | 26 | 1 | 1 | 1.000 | 0 | .000 | 0 | 8 | 0 | .000 | 14 | 13 | 4 | 30.1 | .615 |
| Kevin Gross | Phi | mr | 23 | 2 | 1 | .500 | 0 | .000 | 1 | 2 | 0 | .000 | 33 | 19 | 4 | 56.1 | .611 |
| Cecilio Guante | Pit | mr | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 15 | 6 | .400 | 21 | 21 | 5 | 28.8 | .607 |
| Mark Gubicza | KC | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 107.2 | .605 |
| Ron Guidry* | NYA | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 97.1 | .663 |
| Bill Gullickson | Mon | sp | 25 | 1 | 0 | .000 | 1 | 1.000 | 0 | 0 | 0 | .000 | 33 | 1 | 0 | 93.2 | .688 |
| Larry Gura* | KC | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 13 | 3 | .231 | 36 | 11 | 6 | 76.3 | .602 |
| Moose Haas | Mil | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 96.5 | .655 |
| Kevin Hagen | StL | mr | 24 | 1 | 0 | .000 | 1 | 1.000 | 1 | 0 | 0 | .000 | 5 | 5 | 2 | 19.2 | .646 |
| Atlee Hammaker* | SF | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 0 | .000 | 8 | 2 | 2 | 82.9 | .647 |
| Greg Harris |   | mr | 28 | 1 | 1 | 1.000 | 0 | .000 | 0 | 20 | 9 | .450 | 25 | 24 | 6 | 29.9 | .602 |
| Paul Hartzell | Mil | mr | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 2 | 1 | 0 | 40.0 | .587 |
| Andy Hawkins | SD | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 1 | .333 | 30 | 8 | 4 | 81.2 | .566 |
| Neal Heaton* | Cle | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 35 | 1 | 1 | 90.1 | .645 |
| Gorman Heimueller* | Oak | mr | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 6 | 4 | .667 | 7 | 7 | 3 | 22.4 | .662 |
| Tom Henke | Tex | mr | 26 | 11 | 10 | .909 | 1 | .091 | 1 | 24 | 6 | .250 | 28 | 28 | 16 | 23.6 | .623 |
| Willie Hernandez* | Det | cl | 29 | 43 | 26 | .605 | 15 | .349 | 3 | 70 | 29 | .414 | 69 | 69 | 47 | 19.1 | .649 |
| Orel Hershiser | LA | mr | 25 | 2 | 2 | 1.000 | 0 | .000 | 0 | 30 | 7 | .233 | 45 | 25 | 14 | 59.4 | .637 |
| Joe Hesketh* | Mon | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 3 | .750 | 11 | 6 | 3 | 66.7 | .643 |
| Ed Hodge* | Min | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 14 | 7 | .500 | 26 | 11 | 3 | 60.7 | .635 |
| Al Holland* | Phi | cl | 31 | 26 | 20 | .769 | 6 | .231 | 7 | 32 | 14 | .438 | 75 | 75 | 40 | 19.4 | .638 |
| Rick Honeycutt* | LA | sp | 30 | 1 | 0 | .000 | 1 | 1.000 | 0 | 1 | 0 | .000 | 31 | 3 | 3 | 89.3 | .664 |
| Burt Hooton | LA | mr | 34 | 5 | 1 | .200 | 3 | .600 | 2 | 30 | 13 | .433 | 61 | 55 | 23 | 25.2 | .597 |
| Ricky Horton* | StL | sp | 24 | 7 | 4 | .571 | 3 | .429 | 3 | 14 | 7 | .500 | 49 | 31 | 10 | 46.0 | .634 |
| Charlie Hough | Tex | sp | 36 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 36 | 0 | 0 | 110.8 | .608 |
| Jay Howell | NYA | mr | 28 | 11 | 7 | .636 | 4 | .364 | 10 | 42 | 16 | .381 | 69 | 68 | 31 | 25.1 | .628 |
| Ken Howell | LA | mr | 23 | 5 | 5 | 1.000 | 0 | .000 | 6 | 17 | 9 | .529 | 40 | 39 | 18 | 19.0 | .698 |
| La Marr Hoyt | ChA | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 98.9 | .663 |
| Charles Hudson | Phi | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 88.4 | .639 |
| Mark Huismann | KC | mr | 26 | 5 | 3 | .600 | 2 | .400 | 1 | 39 | 10 | .256 | 37 | 37 | 17 | 34.9 | .634 |
| Tom Hume | Cin | mr | 31 | 3 | 3 | 1.000 | 0 | .000 | 0 | 55 | 25 | .455 | 59 | 51 | 18 | 29.9 | .633 |
| Bruce Hurst* | Bos | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 98.8 | .607 |
| Danny Jackson* | KC | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 3 | 1 | .333 | 13 | 2 | 2 | 91.0 | .618 |
| Roy Lee Jackson | Tor | mr | 30 | 28 | 19 | .679 | 7 | .250 | 6 | 47 | 9 | .191 | 67 | 67 | 44 | 16.3 | .615 |
| Bob James | Mon | mr | 25 | 8 | 5 | .625 | 3 | .375 | 13 | 56 | 18 | .321 | 77 | 77 | 33 | 17.4 | .621 |
| Mike Jeffcoat* | Cle | mr | 24 | 17 | 8 | .471 | 6 | .353 | 4 | 34 | 15 | .441 | 68 | 67 | 32 | 19.7 | .672 |
| Tommy John* | Cal | sp | 41 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 95.9 | .632 |
| John Henry Johnson* | Bos | mr | 27 | 1 | 0 | .000 | 1 | 1.000 | 0 | 33 | 13 | .394 | 28 | 25 | 12 | 37.5 | .612 |
| Al Jones | ChA | cl | 25 | 2 | 2 | 1.000 | 0 | .000 | 0 | 21 | 10 | .476 | 23 | 23 | 9 | 25.3 | .588 |
| Jeff Jones | Oak | mr | 27 | 4 | 2 | .500 | 2 | .500 | 2 | 18 | 3 | .167 | 20 | 20 | 17 | 24.4 | .610 |
| Mike Jones* | KC | sp | 24 | 1 | 0 | .000 | 1 | 1.000 | 0 | 9 | 2 | .222 | 25 | 13 | 8 | 54.8 | .584 |
| Odell Jones | Tex | mr | 31 | 5 | 4 | .800 | 1 | .200 | 4 | 36 | 9 | .250 | 44 | 44 | 27 | 19.8 | .595 |
| Curt Kaufman | Cal | mr | 26 | 0 | 0 | .000 | 0 | .000 | 2 | 22 | 3 | .136 | 26 | 25 | 19 | 45.4 | .633 |
| Kurt Kepshire | StL | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 16 | 0 | 0 | 96.8 | .615 |
| Jim Kern |   | mr | 35 | 4 | 3 | .750 | 1 | .250 | 2 | 8 | 3 | .375 | 21 | 21 | 15 | 18.7 | .574 |
| Jimmy Key* | Tor | mr | 23 | 19 | 10 | .526 | 5 | .263 | 12 | 39 | 15 | .385 | 69 | 69 | 29 | 19.4 | .639 |
| Bruce Kison | Cal | mr | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 17 | 3 | .176 | 21 | 14 | 5 | 61.7 | .619 |
| Bob Knepper* | Hou | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 97.8 | .649 |
| Jerry Koosman* | Phi | sp | 41 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 104.3 | .651 |
| Ray Krawczyk | Pit | mr | 24 | 1 | 1 | 1.000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 1 | 1 | 12.0 | .500 |
| Bill Krueger* | Oak | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 96.8 | .567 |
| Mike Krukow | SF | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 34 | 1 | 1 | 94.6 | .614 |
| Bob Lacey* | SF | mr | 30 | 4 | 1 | .250 | 2 | .500 | 5 | 26 | 11 | .423 | 37 | 36 | 9 | 21.3 | .650 |
| Frank LaCorte | Cal | mr | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 18 | 8 | .444 | 17 | 16 | 4 | 33.5 | .618 |
| Mike LaCoss | Hou | mr | 28 | 0 | 0 | .000 | 0 | .000 | 1 | 13 | 7 | .538 | 40 | 22 | 9 | 58.5 | .616 |
| Pete Ladd | Mil | mr | 27 | 6 | 2 | .333 | 3 | .500 | 1 | 46 | 16 | .348 | 50 | 49 | 13 | 27.0 | .622 |
| Jeff Lahti | StL | mr | 27 | 3 | 2 | .667 | 1 | .333 | 2 | 65 | 17 | .262 | 53 | 53 | 9 | 25.0 | .602 |
| Dennis Lamp | Tor | mr | 31 | 8 | 1 | .125 | 5 | .625 | 9 | 30 | 15 | .500 | 51 | 47 | 22 | 26.4 | .627 |
| Rick Langford | Oak | sp | 32 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 69.5 | .597 |
| Mark Langston* | Sea | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 116.5 | .596 |
| Dave LaPoint* | StL | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 88.5 | .618 |
| Bill Laskey | SF | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 93.2 | .660 |
| Gary Lavelle* | SF | mr | 35 | 26 | 19 | .731 | 6 | .231 | 10 | 45 | 12 | .267 | 90 | 90 | 44 | 18.1 | .616 |
| Jack Lazorko | Mil | mr | 28 | 2 | 2 | 1.000 | 0 | .000 | 1 | 18 | 3 | .167 | 22 | 21 | 12 | 41.7 | .574 |
| Charlie Lea | Mon | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 101.6 | .616 |
| Luis Leal | Tor | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 95.9 | .620 |
| Tim Leary | NYN | mr | 25 | 1 | 1 | 1.000 | 0 | .000 | 0 | 7 | 1 | .143 | 18 | 11 | 6 | 51.1 | .630 |
| Craig Lefferts* | SD | mr | 26 | 17 | 13 | .765 | 2 | .118 | 8 | 24 | 4 | .167 | 66 | 66 | 37 | 19.8 | .643 |
| Charlie Leibrandt* | KC | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 95.1 | .639 |
| Dave Leiper* | Oak | mr | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 2 | .500 | 5 | 5 | 2 | 28.0 | .550 |
| Randy Lerch* | SF | mr | 29 | 3 | 3 | 1.000 | 0 | .000 | 3 | 31 | 8 | .258 | 43 | 39 | 13 | 29.4 | .564 |
| Brad Lesley | Cin | mr | 25 | 0 | 0 | .000 | 0 | .000 | 1 | 10 | 0 | .000 | 20 | 20 | 5 | 23.6 | .572 |
| Tim Lollar* | SD | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 108.6 | .602 |
| Aurelio Lopez | Det | mr | 35 | 25 | 17 | .680 | 8 | .320 | 10 | 63 | 24 | .381 | 63 | 63 | 32 | 21.0 | .608 |
| Gary Lucas* | Mon | mr | 29 | 6 | 2 | .333 | 4 | .667 | 6 | 28 | 11 | .393 | 53 | 53 | 24 | 17.2 | .638 |
| Ed Lynch | NYN | mr | 28 | 1 | 0 | .000 | 1 | 1.000 | 0 | 9 | 3 | .333 | 31 | 18 | 9 | 54.6 | .655 |
| Rick Lysander | Min | mr | 31 | 6 | 3 | .500 | 3 | .500 | 4 | 19 | 8 | .421 | 34 | 34 | 18 | 23.4 | .614 |
| Mike Madden* | Hou | mr | 26 | 0 | 0 | .000 | 0 | .000 | 1 | 8 | 4 | .500 | 17 | 10 | 2 | 54.6 | .541 |
| Rick Mahler | Atl | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 33 | 4 | 1 | 91.1 | .638 |
| Renie Martin |   | mr | 28 | 4 | 1 | .250 | 2 | .500 | 5 | 13 | 4 | .308 | 34 | 34 | 10 | 24.6 | .570 |
| Dennis Martinez | Bal | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 20 | 8 | .400 | 34 | 14 | 8 | 62.4 | .640 |
| Tippy Martinez* | Bal | cl | 34 | 12 | 10 | .833 | 1 | .083 | 7 | 35 | 11 | .314 | 53 | 53 | 32 | 19.6 | .617 |
| Mike Mason* | Tex | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 35 | 11 | 4 | 81.6 | .642 |
| Roger Mason | Det | sp | 25 | 1 | 1 | 1.000 | 0 | .000 | 0 | 3 | 2 | .667 | 8 | 6 | 2 | 43.6 | .587 |
| Steve McCatty | Oak | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 96.5 | .620 |
| Bob McClure* | Mil | mr | 32 | 4 | 0 | .000 | 4 | 1.000 | 3 | 24 | 11 | .458 | 42 | 24 | 5 | 50.9 | .605 |
| Andy McGaffigan |   | mr | 27 | 0 | 0 | .000 | 0 | .000 | 1 | 16 | 7 | .438 | 31 | 25 | 12 | 35.9 | .631 |
| Tug McGraw* | Phi | mr | 39 | 5 | 4 | .800 | 1 | .200 | 0 | 20 | 6 | .300 | 30 | 30 | 10 | 23.0 | .679 |
| Scott McGregor* | Bal | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 102.9 | .638 |
| Joey McLaughlin |   | mr | 27 | 1 | 0 | .000 | 1 | 1.000 | 1 | 24 | 14 | .583 | 25 | 25 | 13 | 27.6 | .607 |
| Craig McMurtry | Atl | sp | 24 | 0 | 0 | .000 | 0 | .000 | 1 | 6 | 4 | .667 | 37 | 7 | 2 | 84.7 | .598 |
| Larry McWilliams* | Pit | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 108.0 | .621 |
| Greg Minton | SF | cl | 32 | 24 | 15 | .625 | 9 | .375 | 12 | 59 | 23 | .390 | 94 | 93 | 38 | 19.4 | .614 |
| Paul Mirabella* | Sea | mr | 30 | 8 | 2 | .250 | 4 | .500 | 8 | 35 | 5 | .143 | 52 | 51 | 14 | 20.0 | .597 |
| Charlie Mitchell | Bos | mr | 22 | 1 | 0 | .000 | 0 | .000 | 0 | 6 | 6 | 1.000 | 7 | 7 | 4 | 30.0 | .629 |
| Sid Monge* |   | mr | 33 | 3 | 2 | .667 | 1 | .333 | 2 | 36 | 9 | .250 | 36 | 36 | 14 | 26.9 | .600 |
| John Montefusco | NYA | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 11 | 0 | 0 | 85.2 | .641 |
| Donnie Moore | Atl | cl | 30 | 27 | 21 | .778 | 6 | .222 | 1 | 21 | 7 | .333 | 56 | 56 | 38 | 21.2 | .666 |
| Mike Moore | Sea | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 104.6 | .620 |
| Jack Morris | Det | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 112.7 | .612 |
| Dale Murray | NYA | mr | 34 | 0 | 0 | .000 | 0 | .000 | 2 | 13 | 4 | .308 | 16 | 16 | 5 | 21.9 | .652 |
| Ron Musselman | Tor | mr | 29 | 2 | 1 | .500 | 1 | .500 | 0 | 12 | 5 | .417 | 10 | 10 | 4 | 35.6 | .601 |
| Gene Nelson | ChA | mr | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 1 | .200 | 18 | 9 | 5 | 59.7 | .645 |
| Tom Niedenfuer | LA | cl | 24 | 16 | 12 | .750 | 4 | .250 | 1 | 14 | 3 | .214 | 36 | 36 | 28 | 20.2 | .635 |
| Joe Niekro | Hou | sp | 39 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 38 | 0 | 0 | 97.3 | .605 |
| Phil Niekro | NYA | sp | 45 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 101.0 | .621 |
| Randy Niemann* | ChA | mr | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 6 | 6 | 3 | 17.3 | .481 |
| Al Nipper | Bos | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 18 | 7 | .389 | 43 | 19 | 11 | 74.5 | .632 |
| Dickie Noles |   | mr | 27 | 2 | 1 | .500 | 1 | .500 | 0 | 28 | 11 | .393 | 46 | 39 | 16 | 43.3 | .616 |
| Edwin Nunez | Sea | mr | 21 | 2 | 1 | .500 | 1 | .500 | 7 | 42 | 12 | .286 | 44 | 44 | 21 | 20.9 | .644 |
| Randy O'Neal | Det | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 2 | 0 | 56.2 | .637 |
| Bobby Ojeda* | Bos | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 99.1 | .603 |
| Jesse Orosco* | NYN | cl | 27 | 35 | 25 | .714 | 10 | .286 | 7 | 59 | 20 | .339 | 86 | 86 | 50 | 19.8 | .631 |
| Bob Owchinko* | Cin | mr | 29 | 5 | 4 | .800 | 1 | .200 | 0 | 45 | 9 | .200 | 53 | 49 | 16 | 27.8 | .612 |
| Rick Ownbey | StL | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 93.0 | .578 |
| John Pacella | Bal | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 1 | .500 | 4 | 3 | 2 | 46.3 | .535 |
| David Palmer | Mon | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 19 | 0 | 0 | 96.0 | .622 |
| Jim Palmer | Bal | sp | 38 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 6 | 3 | 2 | 54.5 | .544 |
| Larry Pashnick | Min | mr | 28 | 1 | 0 | .000 | 1 | 1.000 | 0 | 24 | 9 | .375 | 22 | 21 | 10 | 42.8 | .620 |
| Frank Pastore | Cin | sp | 26 | 2 | 2 | 1.000 | 0 | .000 | 0 | 11 | 4 | .364 | 35 | 19 | 9 | 54.3 | .596 |
| Reggie Patterson | ChN | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 99.0 | .697 |
| Mike Payne | Atl | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 106.0 | .594 |
| Alejandro Pena | LA | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 28 | 0 | 0 | 100.9 | .644 |
| Pascual Perez | Atl | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 95.3 | .644 |
| Dan Petry | Det | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 98.3 | .641 |
| Chuck Porter | Mil | sp | 28 | 2 | 0 | .000 | 1 | .500 | 0 | 5 | 3 | .600 | 19 | 7 | 4 | 64.4 | .694 |
| Ted Power | Cin | mr | 29 | 20 | 12 | .600 | 8 | .400 | 6 | 50 | 12 | .240 | 78 | 78 | 34 | 21.1 | .594 |
| Joe Price* | Cin | sp | 27 | 1 | 1 | 1.000 | 0 | .000 | 0 | 3 | 2 | .667 | 33 | 3 | 2 | 82.9 | .650 |
| Charlie Puleo | Cin | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 4 | 0 | 0 | 84.8 | .578 |
| Dan Quisenberry | KC | cl | 31 | 27 | 17 | .630 | 10 | .370 | 4 | 62 | 27 | .435 | 80 | 80 | 56 | 19.6 | .719 |
| Chuck Rainey |   | sp | 29 | 2 | 2 | 1.000 | 0 | .000 | 3 | 8 | 4 | .500 | 32 | 16 | 11 | 58.9 | .607 |
| Dennis Rasmussen* | NYA | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 102.4 | .597 |
| Shane Rawley* |   | sp | 28 | 1 | 1 | 1.000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 1 | 1 | 96.3 | .611 |
| Jeff Reardon | Mon | cl | 28 | 19 | 15 | .789 | 4 | .211 | 3 | 39 | 16 | .410 | 73 | 73 | 46 | 18.2 | .622 |
| Ron Reed | ChA | cl | 41 | 20 | 15 | .750 | 5 | .250 | 5 | 43 | 13 | .302 | 58 | 58 | 35 | 20.1 | .666 |
| Rick Reuschel | ChN | sp | 35 | 1 | 1 | 1.000 | 0 | .000 | 0 | 7 | 5 | .714 | 26 | 12 | 7 | 52.6 | .623 |
| Jerry Reuss* | LA | sp | 35 | 2 | 1 | .500 | 1 | .500 | 1 | 10 | 7 | .700 | 31 | 16 | 5 | 58.1 | .665 |
| Rick Rhoden | Pit | sp | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 108.1 | .637 |
| Dave Righetti* | NYA | cl | 25 | 28 | 22 | .786 | 5 | .179 | 5 | 53 | 13 | .245 | 69 | 69 | 49 | 23.1 | .619 |
| Jose Rijo | NYA | mr | 19 | 2 | 1 | .500 | 1 | .500 | 1 | 9 | 3 | .333 | 20 | 15 | 6 | 43.3 | .599 |
| George Riley* | SF | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 5 | 1 | 1 | 61.6 | .617 |
| Bert Roberge | ChA | mr | 29 | 2 | 2 | 1.000 | 0 | .000 | 0 | 16 | 6 | .375 | 19 | 19 | 10 | 30.9 | .608 |
| Don Robinson | Pit | mr | 27 | 7 | 5 | .714 | 2 | .286 | 0 | 34 | 10 | .294 | 64 | 63 | 45 | 23.8 | .602 |
| Jeff Robinson | SF | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 1 | 1 | 80.4 | .630 |
| Ron Robinson | Cin | mr | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 9 | 4 | 0 | 71.6 | .651 |
| Rich Rodas* | LA | mr | 24 | 3 | 1 | .333 | 1 | .333 | 1 | 2 | 2 | 1.000 | 4 | 4 | 1 | 15.3 | .656 |
| Steve Rogers | Mon | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 1 | 1 | 92.7 | .599 |
| Jose Roman | Cle | sp | 21 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 67.5 | .467 |
| Ron Romanick | Cal | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 92.2 | .638 |
| Dave Rozema | Det | sp | 27 | 0 | 0 | .000 | 0 | .000 | 2 | 11 | 0 | .000 | 29 | 13 | 6 | 64.4 | .675 |
| Dave Rucker* | StL | mr | 26 | 11 | 9 | .818 | 2 | .182 | 12 | 30 | 6 | .200 | 76 | 76 | 41 | 19.0 | .598 |
| Vern Ruhle | Hou | mr | 33 | 1 | 1 | 1.000 | 0 | .000 | 1 | 24 | 9 | .375 | 46 | 40 | 13 | 35.1 | .654 |
| Jeff Russell | Cin | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 1 | .250 | 34 | 4 | 1 | 82.3 | .623 |
| Dick Ruthven | ChN | sp | 33 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 23 | 0 | 0 | 88.2 | .626 |
| Nolan Ryan | Hou | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 30 | 0 | 0 | 108.1 | .618 |
| Bret Saberhagen | KC | mr | 20 | 1 | 1 | 1.000 | 0 | .000 | 0 | 19 | 2 | .105 | 35 | 17 | 9 | 66.7 | .653 |
| Joe Sambito* | Hou | mr | 32 | 4 | 3 | .750 | 1 | .250 | 2 | 24 | 8 | .333 | 33 | 33 | 13 | 19.2 | .638 |
| Luis Sanchez | Cal | mr | 30 | 11 | 8 | .727 | 3 | .273 | 2 | 19 | 5 | .263 | 34 | 34 | 27 | 20.6 | .632 |
| Scott Sanderson | ChN | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 24 | 0 | 0 | 94.3 | .671 |
| Dan Schatzeder* | Mon | mr | 29 | 1 | 1 | 1.000 | 0 | .000 | 0 | 21 | 3 | .143 | 35 | 21 | 7 | 57.3 | .623 |
| Bill Scherrer* |   | mr | 26 | 2 | 0 | .000 | 2 | 1.000 | 2 | 36 | 15 | .417 | 46 | 46 | 8 | 22.7 | .606 |
| Calvin Schiraldi | NYN | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 106.0 | .597 |
| Dave Schmidt | Tex | cl | 27 | 7 | 2 | .286 | 4 | .571 | 5 | 48 | 30 | .625 | 58 | 58 | 32 | 21.8 | .644 |
| Ken Schrom | Min | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 21 | 0 | 0 | 102.8 | .640 |
| Don Schulze |   | sp | 21 | 0 | 0 | .000 | 0 | .000 | 1 | 2 | 1 | .500 | 17 | 2 | 0 | 75.2 | .638 |
| Mike Scott | Hou | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 0 | 0 | 88.5 | .633 |
| Rod Scurry* | Pit | mr | 28 | 3 | 2 | .667 | 1 | .333 | 2 | 27 | 9 | .333 | 32 | 32 | 20 | 20.2 | .622 |
| Ray Searage* | Mil | cl | 29 | 12 | 9 | .750 | 3 | .250 | 0 | 18 | 3 | .167 | 24 | 24 | 18 | 27.2 | .633 |
| Tom Seaver | ChA | sp | 39 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 99.7 | .642 |
| Bob Shirley* | NYA | mr | 30 | 6 | 3 | .500 | 3 | .500 | 0 | 38 | 16 | .421 | 49 | 42 | 17 | 36.0 | .636 |
| Eric Show | SD | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 104.3 | .584 |
| Doug Sisk | NYN | cl | 26 | 11 | 6 | .545 | 3 | .273 | 6 | 29 | 8 | .276 | 63 | 63 | 27 | 18.1 | .559 |
| Jim Slaton | Cal | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 13 | 5 | .385 | 32 | 10 | 8 | 83.7 | .626 |
| Bryn Smith | Mon | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 29 | 1 | 1 | 96.2 | .639 |
| Dave Smith | Hou | mr | 29 | 13 | 11 | .846 | 2 | .154 | 10 | 34 | 14 | .412 | 62 | 62 | 32 | 21.1 | .634 |
| Lee Smith | ChN | cl | 26 | 26 | 18 | .692 | 7 | .269 | 2 | 57 | 28 | .491 | 79 | 79 | 49 | 21.3 | .648 |
| Mike Smith | Cin | mr | 23 | 2 | 0 | .000 | 1 | .500 | 3 | 5 | 1 | .200 | 12 | 12 | 3 | 13.3 | .575 |
| Roy Smith | Cle | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 2 | .333 | 19 | 5 | 0 | 63.2 | .599 |
| Zane Smith* | Atl | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 88.3 | .585 |
| Mike Smithson | Min | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 36 | 0 | 0 | 100.6 | .654 |
| Nate Snell | Bal | mr | 31 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 1 | .200 | 4 | 4 | 4 | 12.0 | .688 |
| Julio Solano | Hou | mr | 24 | 1 | 0 | .000 | 1 | 1.000 | 3 | 31 | 9 | .290 | 30 | 30 | 4 | 24.6 | .627 |
| Lary Sorensen | Oak | mr | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 11 | 4 | .364 | 33 | 12 | 10 | 74.3 | .636 |
| Mario Soto | Cin | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 36 | 3 | 3 | 102.2 | .626 |
| Dan Spillner |   | mr | 32 | 3 | 2 | .667 | 1 | .333 | 0 | 33 | 13 | .394 | 35 | 27 | 13 | 46.6 | .630 |
| Paul Splittorff* | KC | mr | 37 | 0 | 0 | .000 | 0 | .000 | 1 | 9 | 2 | .222 | 13 | 10 | 5 | 26.0 | .618 |
| Bob Stanley | Bos | cl | 29 | 32 | 20 | .625 | 12 | .375 | 0 | 57 | 22 | .386 | 78 | 78 | 70 | 19.9 | .691 |
| Mike Stanton | Sea | mr | 31 | 21 | 14 | .667 | 7 | .333 | 2 | 49 | 18 | .367 | 63 | 63 | 49 | 20.6 | .620 |
| Rick Steirer | Cal | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 48.0 | .688 |
| Dave Stewart | Tex | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 36 | 9 | 4 | 85.9 | .596 |
| Sammy Stewart | Bal | mr | 29 | 25 | 15 | .600 | 9 | .360 | 7 | 40 | 18 | .450 | 66 | 66 | 38 | 20.1 | .582 |
| Dave Stieb | Tor | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 116.5 | .621 |
| Bob Stoddard | Sea | mr | 27 | 2 | 1 | .500 | 1 | .500 | 0 | 15 | 6 | .400 | 23 | 17 | 7 | 52.2 | .598 |
| Tim Stoddard | ChN | mr | 31 | 15 | 10 | .667 | 4 | .267 | 4 | 30 | 13 | .433 | 55 | 55 | 33 | 20.9 | .580 |
| John Stuper | StL | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 12 | 0 | 0 | 81.5 | .626 |
| Rick Sutcliffe |   | sp | 28 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 102.7 | .624 |
| Bruce Sutter | StL | cl | 31 | 24 | 16 | .667 | 8 | .333 | 6 | 51 | 17 | .333 | 83 | 83 | 47 | 20.6 | .644 |
| Don Sutton | Mil | sp | 39 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 93.1 | .641 |
| Bill Swaggerty | Bal | mr | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 14 | 7 | .500 | 24 | 18 | 3 | 48.9 | .616 |
| Craig Swan |   | mr | 33 | 1 | 1 | 1.000 | 0 | .000 | 0 | 2 | 2 | 1.000 | 3 | 2 | 1 | 44.7 | .739 |
| Frank Tanana* | Tex | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 96.4 | .625 |
| Kent Tekulve | Pit | mr | 37 | 17 | 13 | .765 | 4 | .235 | 3 | 33 | 17 | .515 | 77 | 77 | 43 | 17.9 | .653 |
| Tom Tellmann | Mil | mr | 30 | 1 | 0 | .000 | 1 | 1.000 | 0 | 67 | 28 | .418 | 55 | 55 | 10 | 26.3 | .635 |
| Walt Terrell | NYN | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 96.9 | .613 |
| Roy Thomas | Sea | mr | 31 | 3 | 1 | .333 | 2 | .667 | 0 | 26 | 11 | .423 | 29 | 28 | 11 | 37.3 | .521 |
| Mark Thurmond* | SD | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 0 | .000 | 30 | 1 | 0 | 96.4 | .625 |
| Jay Tibbs | Cin | sp | 22 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 14 | 0 | 0 | 92.2 | .615 |
| Dick Tidrow | NYN | mr | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 3 | 3 | 2 | 31.3 | .638 |
| Dave Tobik | Tex | mr | 31 | 16 | 9 | .563 | 7 | .438 | 3 | 24 | 10 | .417 | 37 | 37 | 21 | 24.6 | .624 |
| Freddie Toliver | Cin | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 1 | 0 | 0 | 127.0 | .559 |
| Mike Torrez |   | sp | 37 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 9 | 1 | 1 | 62.8 | .616 |
| Steve Trout* | ChN | sp | 26 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 31 | 0 | 0 | 102.5 | .634 |
| John Tudor* | Pit | sp | 30 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 0 | 0 | 103.6 | .637 |
| Lee Tunnell | Pit | mr | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 13 | 7 | .538 | 23 | 17 | 11 | 42.5 | .579 |
| Jerry Ujdur | Cle | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 3 | 0 | 0 | 56.3 | .586 |
| Tom Underwood* | Bal | mr | 30 | 2 | 2 | 1.000 | 0 | .000 | 1 | 34 | 12 | .353 | 37 | 36 | 15 | 34.3 | .606 |
| Fernando Valenzuela* | LA | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 117.1 | .627 |
| Ed Vande Berg* | Sea | mr | 25 | 6 | 3 | .500 | 3 | .500 | 0 | 13 | 5 | .385 | 30 | 13 | 10 | 59.7 | .586 |
| Frank Viola* | Min | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 35 | 0 | 0 | 106.0 | .623 |
| Dave Von Ohlen* | StL | mr | 25 | 4 | 1 | .250 | 2 | .500 | 0 | 20 | 12 | .600 | 24 | 24 | 4 | 21.8 | .671 |
| Tom Waddell | Cle | mr | 25 | 1 | 0 | .000 | 1 | 1.000 | 2 | 55 | 22 | .400 | 52 | 52 | 8 | 29.3 | .629 |
| Rick Waits* | Mil | mr | 32 | 7 | 3 | .429 | 3 | .429 | 11 | 39 | 12 | .308 | 56 | 55 | 22 | 21.3 | .633 |
| Bob Walk | Pit | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 2 | 0 | 0 | 99.0 | .646 |
| Mike Walters | Min | mr | 26 | 6 | 2 | .333 | 3 | .500 | 2 | 29 | 11 | .379 | 26 | 26 | 13 | 26.1 | .574 |
| Mike Warren | Oak | sp | 23 | 5 | 3 | .600 | 2 | .400 | 1 | 12 | 3 | .250 | 27 | 15 | 10 | 58.0 | .629 |
| Dave Wehrmeister | Phi | mr | 31 | 1 | 1 | 1.000 | 0 | .000 | 0 | 7 | 1 | .143 | 15 | 15 | 6 | 28.3 | .656 |
| Bob Welch | LA | sp | 27 | 0 | 0 | .000 | 0 | .000 | 0 | 1 | 1 | 1.000 | 30 | 1 | 1 | 99.6 | .644 |
| Larry White | LA | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 5 | 2 | .400 | 15 | 14 | 6 | 23.7 | .596 |
| Len Whitehouse* | Min | mr | 26 | 9 | 6 | .667 | 1 | .111 | 4 | 26 | 9 | .346 | 36 | 36 | 19 | 18.4 | .572 |
| Eddie Whitson | SD | sp | 29 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 32 | 1 | 0 | 96.6 | .628 |
| Milt Wilcox | Det | sp | 34 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 33 | 0 | 0 | 103.0 | .621 |
| Albert Williams | Min | sp | 30 | 1 | 0 | .000 | 1 | 1.000 | 1 | 2 | 2 | 1.000 | 15 | 4 | 1 | 63.2 | .607 |
| Frank Williams | SF | mr | 26 | 5 | 2 | .400 | 3 | .600 | 2 | 49 | 18 | .367 | 54 | 53 | 13 | 28.6 | .602 |
| Carl Willis |   | cl | 23 | 0 | 0 | .000 | 0 | .000 | 1 | 10 | 7 | .700 | 14 | 12 | 9 | 26.0 | .679 |
| Frank Wills | KC | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 6 | 3 | .500 | 12 | 7 | 2 | 58.2 | .607 |
| Jim Winn | Pit | mr | 24 | 1 | 0 | .000 | 1 | 1.000 | 0 | 6 | 2 | .333 | 6 | 6 | 4 | 26.5 | .629 |
| Mike Witt | Cal | sp | 23 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 34 | 0 | 0 | 118.5 | .638 |
| Ricky Wright* | Tex | mr | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 4 | 0 | .000 | 8 | 7 | 2 | 46.9 | .544 |
| Curt Young* | Oak | sp | 24 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 17 | 0 | 0 | 100.8 | .652 |
| Matt Young* | Sea | sp | 25 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 22 | 0 | 0 | 95.1 | .605 |
| Pat Zachry | LA | mr | 32 | 9 | 8 | .889 | 0 | .000 | 5 | 42 | 14 | .333 | 64 | 64 | 22 | 19.9 | .584 |
| Geoff Zahn* | Cal | sp | 38 | 0 | 0 | .000 | 0 | .000 | 0 | 0 | 0 | .000 | 27 | 0 | 0 | 107.4 | .640 |