Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1971 | NYM | 7 | 6 | 0 | 3 | 4.14 | 24 | 0 | 0 | 0 | 37.0 | 31 | 17 | 18 | 2 | 15 | 0 | 1.24 |
1972 | NYM | 34 | 32 | 15 | 10 | 2.32 | 169 | 8 | 4 | 0 | 244.0 | 215 | 63 | 79 | 14 | 71 | 2 | 1.17 |
1973 | NYM | 34 | 34 | 14 | 16 | 3.20 | 205 | 14 | 3 | 0 | 242.0 | 210 | 86 | 93 | 16 | 99 | 2 | 1.28 |
1974 | NYM | 34 | 34 | 13 | 15 | 2.41 | 195 | 14 | 7 | 0 | 265.1 | 221 | 71 | 82 | 8 | 76 | 5 | 1.12 |
1975 | NYM | 33 | 32 | 16 | 12 | 3.38 | 154 | 8 | 3 | 0 | 228.2 | 224 | 86 | 105 | 15 | 58 | 1 | 1.23 |
1976 | NYM | 35 | 35 | 17 | 10 | 2.95 | 153 | 16 | 6 | 0 | 262.0 | 236 | 86 | 94 | 18 | 57 | 3 | 1.12 |
1977 | NYM | 26 | 26 | 7 | 15 | 4.21 | 123 | 5 | 3 | 0 | 169.0 | 175 | 79 | 86 | 19 | 43 | 2 | 1.29 |
1978 | TEX | 35 | 33 | 15 | 13 | 2.27 | 157 | 18 | 2 | 1 | 270.0 | 252 | 68 | 93 | 14 | 51 | 4 | 1.12 |
1979 | TEX | 13 | 13 | 5 | 4 | 4.13 | 35 | 2 | 0 | 0 | 85.0 | 98 | 39 | 43 | 9 | 15 | 1 | 1.33 |
1980 | TEX | 35 | 34 | 10 | 10 | 3.68 | 142 | 8 | 1 | 1 | 234.2 | 265 | 96 | 111 | 17 | 48 | 0 | 1.33 |
1981 | TEX | 17 | 16 | 4 | 7 | 4.14 | 43 | 1 | 1 | 0 | 104.1 | 101 | 48 | 59 | 8 | 41 | 1 | 1.36 |
1982 | TEX | 33 | 14 | 7 | 7 | 3.53 | 78 | 1 | 0 | 1 | 147.2 | 158 | 58 | 64 | 14 | 37 | 2 | 1.32 |
1983 | TEX | 25 | 9 | 2 | 4 | 4.66 | 38 | 2 | 0 | 0 | 73.1 | 90 | 38 | 43 | 7 | 27 | 3 | 1.60 |
| Career | 361 | 318 | 125 | 126 | 3.18 | 1,516 | 97 | 30 | 3 | 2363.0 | 2,276 | 835 | 970 | 161 | 638 | 26 | 1.23 |
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