Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1971 | CHC | 33 | 2 | 2 | 1 | 4.65 | 41 | 0 | 0 | 0 | 60.0 | 63 | 31 | 38 | 6 | 36 | 5 | 1.65 |
1972 | CHC | 19 | 4 | 1 | 1 | 3.12 | 49 | 0 | 0 | 4 | 57.2 | 56 | 20 | 22 | 4 | 25 | 1 | 1.40 |
1973 | CHC | 44 | 15 | 7 | 5 | 3.02 | 121 | 3 | 0 | 6 | 152.0 | 126 | 51 | 55 | 10 | 64 | 4 | 1.25 |
1974 | CHC | 44 | 36 | 11 | 22 | 3.86 | 191 | 10 | 2 | 1 | 242.2 | 246 | 104 | 133 | 13 | 109 | 6 | 1.46 |
1975 | CHC | 38 | 36 | 13 | 15 | 4.71 | 165 | 7 | 2 | 0 | 229.1 | 254 | 120 | 133 | 15 | 109 | 5 | 1.58 |
1976 | CHC | 32 | 31 | 9 | 13 | 4.27 | 110 | 3 | 0 | 0 | 196.0 | 215 | 93 | 102 | 11 | 96 | 2 | 1.59 |
1977 | CHC | 34 | 34 | 10 | 13 | 4.36 | 134 | 1 | 0 | 0 | 214.2 | 207 | 104 | 111 | 15 | 82 | 3 | 1.35 |
1978 | CIN | 23 | 23 | 11 | 5 | 3.53 | 83 | 1 | 0 | 0 | 140.1 | 151 | 55 | 59 | 9 | 50 | 1 | 1.43 |
1979 | CIN | 29 | 29 | 9 | 7 | 3.79 | 78 | 2 | 0 | 0 | 175.2 | 173 | 74 | 80 | 14 | 60 | 8 | 1.33 |
1980 | CIN | 4 | 4 | 2 | 1 | 4.74 | 13 | 0 | 0 | 0 | 19.0 | 21 | 10 | 10 | 1 | 5 | 0 | 1.37 |
| Career | 300 | 214 | 75 | 83 | 4.01 | 985 | 27 | 4 | 11 | 1487.1 | 1,512 | 662 | 743 | 98 | 636 | 35 | 1.44 |
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