Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1969 | SDP | 22 | 5 | 0 | 3 | 4.81 | 19 | 0 | 0 | 1 | 48.2 | 65 | 26 | 30 | 5 | 19 | 3 | 1.73 |
1970 | SDP | 43 | 21 | 8 | 14 | 3.81 | 102 | 3 | 2 | 1 | 181.2 | 182 | 77 | 80 | 16 | 43 | 1 | 1.24 |
1971 | SDP | 37 | 34 | 14 | 17 | 2.10 | 135 | 14 | 2 | 0 | 269.2 | 238 | 63 | 79 | 9 | 61 | 5 | 1.11 |
1972 | HOU | 35 | 28 | 12 | 7 | 4.50 | 111 | 7 | 3 | 2 | 192.0 | 227 | 96 | 100 | 18 | 57 | 2 | 1.48 |
1973 | HOU | 39 | 36 | 17 | 11 | 2.85 | 119 | 12 | 6 | 0 | 249.1 | 264 | 79 | 92 | 15 | 62 | 2 | 1.31 |
1974 | HOU | 34 | 30 | 10 | 12 | 3.40 | 72 | 8 | 2 | 1 | 204.0 | 216 | 77 | 83 | 6 | 65 | 3 | 1.38 |
1975 | HOU | 32 | 27 | 8 | 14 | 4.27 | 101 | 7 | 0 | 1 | 198.1 | 182 | 94 | 98 | 16 | 73 | 2 | 1.29 |
1976 | DET | 36 | 36 | 16 | 17 | 4.00 | 79 | 18 | 4 | 0 | 252.0 | 254 | 112 | 122 | 16 | 63 | 4 | 1.26 |
1977 | DET | 22 | 22 | 4 | 10 | 5.15 | 46 | 5 | 0 | 0 | 129.1 | 143 | 74 | 88 | 20 | 41 | 2 | 1.42 |
1977 | CHC | 17 | 6 | 1 | 1 | 3.23 | 23 | 1 | 0 | 1 | 53.0 | 55 | 19 | 22 | 1 | 12 | 1 | 1.26 |
1977 | TOT | 39 | 28 | 5 | 11 | 4.59 | 69 | 6 | 0 | 1 | 182.1 | 198 | 93 | 110 | 21 | 53 | 3 | 1.38 |
1978 | CHC | 35 | 20 | 6 | 8 | 5.25 | 54 | 2 | 1 | 1 | 142.1 | 159 | 83 | 87 | 17 | 56 | 3 | 1.51 |
1979 | SFG | 26 | 1 | 0 | 2 | 2.57 | 23 | 0 | 0 | 3 | 42.0 | 42 | 12 | 15 | 3 | 18 | 1 | 1.43 |
1979 | PIT | 21 | 3 | 5 | 2 | 3.26 | 15 | 0 | 0 | 1 | 38.2 | 47 | 14 | 18 | 1 | 12 | 1 | 1.53 |
1979 | TOT | 47 | 4 | 5 | 4 | 2.90 | 38 | 0 | 0 | 4 | 80.2 | 89 | 26 | 33 | 4 | 30 | 2 | 1.48 |
1980 | PIT | 2 | 0 | 0 | 1 | 3.86 | 1 | 0 | 0 | 0 | 2.1 | 2 | 1 | 1 | 0 | 1 | 0 | 1.29 |
1980 | SEA | 37 | 4 | 2 | 3 | 4.37 | 47 | 0 | 0 | 3 | 80.1 | 86 | 39 | 46 | 7 | 27 | 1 | 1.41 |
1980 | TOT | 39 | 4 | 2 | 4 | 4.35 | 48 | 0 | 0 | 3 | 82.2 | 88 | 40 | 47 | 7 | 28 | 1 | 1.40 |
1981 | NYM | 7 | 4 | 0 | 3 | 9.39 | 10 | 0 | 0 | 0 | 15.1 | 26 | 16 | 18 | 5 | 5 | 0 | 2.02 |
| Career | 445 | 277 | 103 | 125 | 3.78 | 957 | 77 | 20 | 15 | 2099.0 | 2,188 | 882 | 979 | 155 | 615 | 31 | 1.34 |
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