Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1973 | DET | 1 | 0 | 0 | 0 | 11.57 | 0 | 0 | 0 | 0 | 2.1 | 4 | 3 | 3 | 0 | 0 | 0 | 1.71 |
1974 | DET | 22 | 3 | 2 | 1 | 4.00 | 52 | 0 | 0 | 0 | 78.2 | 79 | 35 | 43 | 12 | 44 | 2 | 1.56 |
1975 | DET | 26 | 6 | 2 | 7 | 4.46 | 67 | 4 | 0 | 0 | 109.0 | 120 | 54 | 62 | 8 | 46 | 3 | 1.52 |
1976 | DET | 20 | 10 | 4 | 6 | 5.09 | 51 | 1 | 0 | 0 | 81.1 | 86 | 46 | 47 | 7 | 34 | 0 | 1.48 |
1977 | TOR | 34 | 34 | 13 | 16 | 4.25 | 105 | 11 | 0 | 0 | 252.0 | 278 | 119 | 143 | 20 | 87 | 4 | 1.45 |
1978 | TOR | 29 | 20 | 4 | 14 | 6.26 | 62 | 3 | 0 | 0 | 136.2 | 170 | 95 | 97 | 16 | 65 | 3 | 1.72 |
1979 | TOR | 22 | 20 | 8 | 10 | 3.71 | 63 | 11 | 3 | 0 | 143.0 | 137 | 59 | 65 | 12 | 45 | 6 | 1.27 |
1980 | TOR | 10 | 8 | 2 | 5 | 5.40 | 10 | 0 | 0 | 0 | 43.1 | 57 | 26 | 29 | 4 | 15 | 0 | 1.66 |
1980 | CAL | 21 | 2 | 2 | 4 | 4.32 | 19 | 0 | 0 | 0 | 66.2 | 81 | 32 | 40 | 8 | 27 | 2 | 1.62 |
1980 | TOT | 31 | 10 | 4 | 9 | 4.75 | 29 | 0 | 0 | 0 | 110.0 | 138 | 58 | 69 | 12 | 42 | 2 | 1.64 |
| Career | 185 | 103 | 37 | 63 | 4.62 | 429 | 30 | 3 | 0 | 913.0 | 1,012 | 469 | 529 | 87 | 363 | 20 | 1.51 |
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