| as Starter | as Reliever | Misc | Baserunning | Balls hit against | Pitch results data | ||||||||||||||||||||||||||||||||||
| Year | Team | G | GS | QS | IP-S | GR | IP-R | InnSt | HLD | BS | InR | InS | InRV | InSV | Score | AB | TBF | 2B | 3B | HB | IBB | SB | CS | PO | POt | GB | FB | GB Ratio | GDP | PIT | STR | BAL | FOU | CAL | SW | SOc | SOs | BB4 | |
| 1976 | HOU | 13 | 13 | 9 | 92.3 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 343 | 379 | 12 | 2 | 1 | 1 | 12 | 3 | 0 | 0 | 147 | 84 | 1.75 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1977 | HOU | 32 | 10 | 3 | 61.7 | 22 | 36 | 5.7 | 0 | 1 | 13 | 7 | 27 | 14 | 51.9 | 385 | 443 | 18 | 2 | 2 | 2 | 19 | 7 | 2 | 0 | 145 | 104 | 1.39 | 4 | 13 | 9 | 4 | 3 | 1 | 4 | 1 | 0 | 0 | |
| 1978 | PHI | 1 | 0 | 0 | 0 | 1 | 1 | 8.0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 4 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1979 | PHI | 3 | 3 | 2 | 19 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 68 | 81 | 2 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 18 | 27 | 0.67 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1980 | PHI | 12 | 7 | 3 | 36.7 | 5 | 9 | 6.0 | 0 | 0 | 3 | 0 | 6 | 0 | 0.0 | 170 | 201 | 9 | 2 | 0 | 6 | 10 | 4 | 1 | 0 | 63 | 51 | 1.24 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1981 | PHI | 5 | 4 | 2 | 27 | 1 | 1 | 5.0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 104 | 122 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 34 | 38 | 0.89 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| 1982 | CHN | 12 | 6 | 1 | 26.7 | 6 | 13 | 6.5 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 156 | 183 | 10 | 1 | 2 | 0 | 3 | 2 | 0 | 0 | 54 | 36 | 1.50 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |