Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1979 | NYM | 18 | 9 | 1 | 3 | 5.33 | 21 | 0 | 0 | 0 | 52.1 | 59 | 31 | 35 | 4 | 20 | 0 | 1.51 |
1980 | NYM | 6 | 6 | 1 | 1 | 4.30 | 13 | 1 | 1 | 0 | 29.1 | 40 | 14 | 14 | 1 | 8 | 0 | 1.64 |
1981 | NYM | 23 | 23 | 5 | 10 | 3.90 | 54 | 1 | 0 | 0 | 136.0 | 130 | 59 | 65 | 11 | 34 | 1 | 1.21 |
1982 | NYM | 37 | 22 | 7 | 13 | 5.14 | 63 | 1 | 0 | 3 | 147.0 | 185 | 84 | 100 | 13 | 60 | 2 | 1.67 |
1983 | HOU | 24 | 24 | 10 | 6 | 3.72 | 73 | 2 | 2 | 0 | 145.0 | 143 | 60 | 67 | 8 | 46 | 5 | 1.30 |
1984 | HOU | 31 | 29 | 5 | 11 | 4.68 | 83 | 0 | 0 | 0 | 154.0 | 179 | 80 | 96 | 7 | 43 | 3 | 1.44 |
1985 | HOU | 36 | 35 | 18 | 8 | 3.29 | 137 | 4 | 2 | 0 | 221.2 | 194 | 81 | 91 | 20 | 80 | 3 | 1.24 |
1986 | HOU | 37 | 37 | 18 | 10 | 2.22 | 306 | 7 | 5 | 0 | 275.1 | 182 | 68 | 73 | 17 | 72 | 2 | 0.92 |
1987 | HOU | 36 | 36 | 16 | 13 | 3.23 | 233 | 8 | 3 | 0 | 247.2 | 199 | 89 | 94 | 21 | 79 | 4 | 1.12 |
1988 | HOU | 32 | 32 | 14 | 8 | 2.92 | 190 | 8 | 5 | 0 | 218.2 | 162 | 71 | 74 | 19 | 53 | 8 | 0.98 |
1989 | HOU | 33 | 32 | 20 | 10 | 3.10 | 172 | 9 | 2 | 0 | 229.0 | 180 | 79 | 87 | 23 | 62 | 3 | 1.06 |
1990 | HOU | 32 | 32 | 9 | 13 | 3.81 | 121 | 4 | 2 | 0 | 205.2 | 194 | 87 | 102 | 27 | 66 | 1 | 1.26 |
1991 | HOU | 2 | 2 | 0 | 2 | 12.86 | 3 | 0 | 0 | 0 | 7.0 | 11 | 10 | 10 | 2 | 4 | 1 | 2.14 |
| Career | 347 | 319 | 124 | 108 | 3.54 | 1,469 | 45 | 22 | 3 | 2068.2 | 1,858 | 813 | 908 | 173 | 627 | 33 | 1.20 |
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