Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1968 | LAD | 50 | 1 | 3 | 0 | 2.14 | 46 | 0 | 0 | 8 | 71.1 | 54 | 17 | 18 | 0 | 30 | 2 | 1.18 |
1969 | HOU | 52 | 4 | 6 | 7 | 4.25 | 71 | 1 | 0 | 2 | 82.2 | 92 | 39 | 45 | 12 | 29 | 5 | 1.46 |
1970 | HOU | 46 | 24 | 13 | 9 | 3.98 | 134 | 8 | 2 | 0 | 187.2 | 190 | 83 | 102 | 10 | 63 | 10 | 1.35 |
1971 | HOU | 33 | 33 | 10 | 16 | 3.39 | 139 | 8 | 3 | 0 | 228.1 | 205 | 86 | 98 | 9 | 68 | 16 | 1.20 |
1972 | CIN | 36 | 31 | 12 | 12 | 3.18 | 137 | 8 | 4 | 1 | 217.2 | 197 | 77 | 83 | 18 | 64 | 7 | 1.20 |
1973 | CIN | 40 | 40 | 19 | 10 | 3.04 | 155 | 16 | 7 | 0 | 293.1 | 257 | 99 | 112 | 20 | 95 | 10 | 1.20 |
1974 | CIN | 36 | 35 | 19 | 11 | 3.94 | 103 | 8 | 3 | 0 | 212.1 | 233 | 93 | 105 | 16 | 64 | 6 | 1.40 |
1975 | CIN | 33 | 32 | 15 | 10 | 4.11 | 79 | 5 | 0 | 0 | 208.0 | 222 | 95 | 100 | 22 | 76 | 9 | 1.43 |
1976 | CIN | 34 | 29 | 12 | 10 | 4.32 | 76 | 5 | 2 | 1 | 177.0 | 190 | 85 | 96 | 17 | 62 | 4 | 1.42 |
1977 | CIN | 36 | 23 | 10 | 10 | 5.23 | 76 | 3 | 2 | 0 | 161.2 | 195 | 94 | 105 | 16 | 56 | 10 | 1.55 |
1978 | DET | 30 | 30 | 15 | 8 | 3.88 | 59 | 10 | 4 | 0 | 201.2 | 218 | 87 | 95 | 16 | 65 | 8 | 1.40 |
1979 | DET | 35 | 19 | 10 | 7 | 3.30 | 59 | 2 | 0 | 3 | 158.0 | 163 | 58 | 74 | 13 | 60 | 7 | 1.41 |
1980 | DET | 8 | 0 | 0 | 0 | 7.36 | 3 | 0 | 0 | 0 | 7.1 | 11 | 6 | 6 | 1 | 6 | 0 | 2.32 |
1980 | BOS | 7 | 4 | 1 | 3 | 11.10 | 4 | 0 | 0 | 0 | 24.1 | 45 | 30 | 30 | 6 | 12 | 4 | 2.34 |
1980 | TOT | 15 | 4 | 1 | 3 | 10.23 | 7 | 0 | 0 | 0 | 31.2 | 56 | 36 | 36 | 7 | 18 | 4 | 2.34 |
| Career | 476 | 305 | 145 | 113 | 3.83 | 1,141 | 74 | 27 | 15 | 2231.1 | 2,272 | 949 | 1,069 | 176 | 750 | 98 | 1.35 |
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