Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1969 | DET | 31 | 1 | 4 | 3 | 2.75 | 42 | 1 | 0 | 1 | 55.2 | 50 | 17 | 22 | 1 | 26 | 2 | 1.37 |
1970 | DET | 61 | 0 | 6 | 7 | 4.11 | 49 | 0 | 0 | 27 | 85.1 | 90 | 39 | 44 | 3 | 34 | 2 | 1.45 |
1971 | DET | 52 | 2 | 7 | 6 | 3.86 | 51 | 0 | 0 | 4 | 84.0 | 82 | 36 | 36 | 6 | 37 | 3 | 1.42 |
1972 | DET | 34 | 25 | 8 | 10 | 2.89 | 88 | 3 | 2 | 0 | 149.2 | 121 | 48 | 57 | 12 | 41 | 5 | 1.08 |
1973 | DET | 17 | 1 | 1 | 1 | 3.69 | 21 | 0 | 0 | 1 | 39.0 | 39 | 16 | 17 | 4 | 11 | 0 | 1.28 |
1973 | CLE | 29 | 15 | 8 | 7 | 4.92 | 62 | 4 | 0 | 2 | 124.1 | 117 | 68 | 73 | 15 | 54 | 3 | 1.38 |
1973 | TOT | 46 | 16 | 9 | 8 | 4.63 | 83 | 4 | 0 | 3 | 163.1 | 156 | 84 | 90 | 19 | 65 | 3 | 1.35 |
1974 | CLE | 4 | 0 | 1 | 1 | 5.40 | 2 | 0 | 0 | 0 | 10.0 | 9 | 6 | 6 | 1 | 5 | 0 | 1.40 |
| Career | 228 | 44 | 35 | 35 | 3.78 | 315 | 8 | 2 | 35 | 548.0 | 508 | 230 | 255 | 42 | 208 | 15 | 1.31 |
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