| 40 | Frank Tanana | - | 1 | 34 | 34 | 288.1 | 2.43 | 0.99 | 6.62 | 0.75 | 2.28 | 8.15 | 0.28 | 0.91 | 27 | 9 | 1042 | .203 | 1142 | -- | -- | -- | -- |
| 30 | Nolan Ryan | - | 5 | 39 | 39 | 284.1 | 3.36 | 1.32 | 6.11 | 0.41 | 5.79 | 10.35 | 0.56 | 1.02 | 22 | 5 | 990 | .195 | 1195 | -- | -- | -- | -- |
| 47 | Gary Ross | - | 35 | 34 | 31 | 225.0 | 3.00 | 1.25 | 8.96 | 0.48 | 2.32 | 4.00 | 0.58 | 1.56 | 20 | 5 | 868 | .258 | 948 | -- | -- | -- | -- |
| 45 | Paul Hartzell | - | 27 | 37 | 15 | 166.0 | 2.77 | 1.26 | 9.00 | 0.33 | 2.33 | 2.77 | 0.84 | 1.96 | 8 | 10 | 624 | .266 | 692 | -- | -- | -- | -- |
| 33 | Don Kirkwood | - | - | 28 | 26 | 157.2 | 4.62 | 1.42 | 9.53 | 0.68 | 3.25 | 4.45 | 0.73 | 1.08 | 11 | 1 | 601 | .278 | 675 | -- | -- | -- | -- |
| 43 | Sid Monge | - | - | 32 | 13 | 117.2 | 3.37 | 1.33 | 8.26 | 0.76 | 3.75 | 4.05 | 0.92 | 0.68 | 7 | 1 | 435 | .248 | 490 | -- | -- | -- | -- |
| 41 | Dick Drago | - | 64 | 43 | 0 | 79.1 | 4.42 | 1.40 | 9.08 | 0.79 | 3.52 | 4.88 | 0.72 | 0.65 | 0 | 5 | 303 | .264 | 346 | -- | -- | -- | -- |
| 42 | Andy Hassler | - | - | 14 | 4 | 47.1 | 5.13 | 1.42 | 9.51 | 0.57 | 3.23 | 3.04 | 1.06 | 2.36 | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- |
| 19 | Mickey Scott | - | - | 33 | 0 | 39.0 | 3.23 | 1.51 | 10.85 | 0.69 | 2.77 | 2.31 | 1.20 | 1.06 | 0 | 0 | 153 | .307 | 172 | -- | -- | -- | -- |
| 48 | John Verhoeven | - | - | 21 | 0 | 37.1 | 3.38 | 1.31 | 8.44 | 0.48 | 3.38 | 5.54 | 0.61 | 1.63 | 0 | 0 | 139 | .252 | 156 | -- | -- | -- | -- |
| 21 | Jim Brewer | - | - | 13 | 0 | 20.0 | 2.70 | 1.30 | 9.00 | -- | 2.70 | 7.20 | 0.38 | 0.63 | 0 | 0 | 79 | .253 | 86 | -- | -- | -- | -- |
| 44 | Mike Overy | - | - | 5 | 0 | 7.1 | 6.14 | 1.23 | 7.36 | 1.23 | 3.68 | 9.82 | 0.38 | 0.56 | 0 | 1 | 28 | .214 | 32 | -- | -- | -- | -- |
| 39 | Steve Dunning | - | - | 4 | 0 | 6.0 | 7.50 | 2.50 | 13.50 | 3.00 | 9.00 | 6.00 | 1.50 | 1.00 | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- |
| 52 | Gary Wheelock | - | - | 2 | 0 | 2.0 | 27.00 | 3.50 | 27.00 | -- | 4.50 | 9.00 | 0.50 | 1.00 | 0 | 1 | 12 | .500 | 14 | -- | -- | -- | -- |