| Jeff Calhoun | 44 | 0 | 0 | 0 | 44 | 63.7 | 7.2 | 4 | 4 | 31 | 10 | 66 | 22 | 33.3 | 230 | 259 | 8 | 1 | 0 | 4 | 3 | 2 | 0 | 0 | 71 | 61 | 1.16 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bill Dawley | 49 | 0 | 0 | 0 | 49 | 81 | 6.8 | 7 | 1 | 39 | 16 | 78 | 33 | 42.3 | 293 | 347 | 12 | 0 | 0 | 7 | 4 | 0 | 2 | 0 | 80 | 106 | 0.75 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jim Deshaies | 2 | 0 | 0 | 0 | 2 | 3 | 4.0 | 0 | 0 | 3 | 0 | 6 | 0 | 0.0 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 0.40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Frank DiPino | 54 | 0 | 0 | 0 | 54 | 76 | 7.6 | 4 | 3 | 43 | 8 | 90 | 17 | 18.9 | 278 | 329 | 16 | 0 | 2 | 6 | 2 | 1 | 2 | 0 | 86 | 81 | 1.06 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jeff Heathcock | 14 | 7 | 3 | 43 | 7 | 13.3 | 6.6 | 0 | 0 | 3 | 0 | 6 | 0 | 0.0 | 209 | 226 | 10 | 1 | 1 | 0 | 2 | 2 | 0 | 0 | 73 | 67 | 1.09 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Charlie Kerfeld | 11 | 6 | 2 | 30.3 | 5 | 14 | 6.6 | 1 | 0 | 1 | 1 | 3 | 3 | 100.0 | 164 | 193 | 4 | 0 | 0 | 2 | 5 | 0 | 0 | 0 | 61 | 34 | 1.79 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bob Knepper | 37 | 37 | 21 | 241 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 935 | 1016 | 53 | 8 | 3 | 5 | 10 | 11 | 1 | 0 | 336 | 242 | 1.39 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mark Knudson | 2 | 2 | 0 | 11 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 49 | 53 | 3 | 1 | 0 | 0 | 2 | 3 | 0 | 0 | 10 | 15 | 0.67 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mike Madden | 13 | 0 | 0 | 0 | 13 | 19 | 6.6 | 0 | 0 | 10 | 7 | 24 | 15 | 62.5 | 80 | 92 | 7 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 25 | 11 | 2.27 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ron Mathis | 23 | 8 | 4 | 46.7 | 15 | 23.3 | 7.2 | 3 | 0 | 7 | 1 | 12 | 2 | 16.7 | 283 | 319 | 14 | 6 | 1 | 1 | 7 | 3 | 3 | 0 | 89 | 87 | 1.02 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Joe Niekro | 32 | 32 | 20 | 213 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 799 | 925 | 21 | 2 | 5 | 6 | 44 | 7 | 1 | 0 | 250 | 259 | 0.97 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mark Ross | 8 | 0 | 0 | 0 | 8 | 13 | 6.8 | 0 | 1 | 4 | 1 | 9 | 2 | 22.2 | 50 | 52 | 2 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 20 | 15 | 1.33 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nolan Ryan | 35 | 35 | 23 | 232 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 856 | 983 | 33 | 8 | 9 | 8 | 31 | 11 | 2 | 0 | 257 | 210 | 1.22 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mike Scott | 36 | 35 | 22 | 220.7 | 1 | 1 | 9.0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 827 | 922 | 36 | 5 | 3 | 4 | 21 | 9 | 2 | 0 | 248 | 261 | 0.95 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dave Smith | 64 | 0 | 0 | 0 | 64 | 79.3 | 8.0 | 1 | 3 | 72 | 11 | 159 | 28 | 17.6 | 293 | 315 | 8 | 1 | 1 | 5 | 7 | 2 | 1 | 0 | 101 | 87 | 1.16 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Julio Solano | 20 | 0 | 0 | 0 | 20 | 33.7 | 6.5 | 1 | 0 | 12 | 1 | 24 | 2 | 8.3 | 130 | 144 | 11 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 43 | 37 | 1.16 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |