Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1974 | KCR | 8 | 1 | 0 | 0 | 5.63 | 5 | 0 | 0 | 0 | 16.0 | 21 | 10 | 12 | 0 | 10 | 0 | 1.94 |
1978 | STL | 25 | 4 | 4 | 2 | 4.29 | 46 | 0 | 0 | 0 | 65.0 | 52 | 31 | 35 | 4 | 32 | 1 | 1.29 |
1979 | DET | 61 | 0 | 10 | 5 | 2.41 | 106 | 0 | 0 | 21 | 127.0 | 95 | 34 | 37 | 12 | 51 | 3 | 1.15 |
1980 | DET | 67 | 1 | 13 | 6 | 3.77 | 97 | 0 | 0 | 21 | 124.0 | 125 | 52 | 56 | 15 | 45 | 3 | 1.37 |
1981 | DET | 29 | 3 | 5 | 2 | 3.64 | 53 | 0 | 0 | 3 | 81.2 | 70 | 33 | 34 | 8 | 31 | 2 | 1.24 |
1982 | DET | 19 | 0 | 3 | 1 | 5.27 | 26 | 0 | 0 | 3 | 41.0 | 41 | 24 | 27 | 8 | 19 | 0 | 1.46 |
1983 | DET | 57 | 0 | 9 | 8 | 2.81 | 90 | 0 | 0 | 18 | 115.1 | 87 | 36 | 36 | 12 | 49 | 1 | 1.18 |
1984 | DET | 71 | 0 | 10 | 1 | 2.94 | 94 | 0 | 0 | 14 | 137.2 | 109 | 45 | 51 | 16 | 52 | 2 | 1.17 |
1985 | DET | 51 | 0 | 3 | 7 | 4.80 | 53 | 0 | 0 | 5 | 86.1 | 82 | 46 | 50 | 15 | 41 | 1 | 1.42 |
1986 | HOU | 45 | 0 | 3 | 3 | 3.46 | 44 | 0 | 0 | 7 | 78.0 | 64 | 30 | 32 | 6 | 25 | 0 | 1.14 |
1987 | HOU | 26 | 0 | 2 | 1 | 4.50 | 21 | 0 | 0 | 1 | 38.0 | 39 | 19 | 22 | 6 | 12 | 2 | 1.34 |
| Career | 459 | 9 | 62 | 36 | 3.56 | 635 | 0 | 0 | 93 | 910.0 | 785 | 360 | 392 | 102 | 367 | 15 | 1.27 |
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