Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1977 | DET | 7 | 6 | 1 | 1 | 3.74 | 28 | 1 | 0 | 0 | 45.2 | 38 | 19 | 20 | 4 | 23 | 0 | 1.34 |
1978 | DET | 28 | 7 | 3 | 5 | 4.33 | 48 | 0 | 0 | 0 | 106.0 | 107 | 51 | 57 | 8 | 49 | 3 | 1.47 |
1979 | DET | 27 | 27 | 17 | 7 | 3.28 | 113 | 9 | 1 | 0 | 197.2 | 179 | 72 | 76 | 19 | 59 | 4 | 1.20 |
1980 | DET | 36 | 36 | 16 | 15 | 4.18 | 112 | 11 | 2 | 0 | 250.0 | 252 | 116 | 125 | 20 | 87 | 4 | 1.36 |
1981 | DET | 25 | 25 | 14 | 7 | 3.05 | 97 | 15 | 1 | 0 | 198.0 | 153 | 67 | 69 | 14 | 78 | 2 | 1.17 |
1982 | DET | 37 | 37 | 17 | 16 | 4.06 | 135 | 17 | 3 | 0 | 266.1 | 247 | 120 | 131 | 37 | 96 | 0 | 1.29 |
1983 | DET | 37 | 37 | 20 | 13 | 3.34 | 232 | 20 | 1 | 0 | 293.2 | 257 | 109 | 117 | 30 | 83 | 3 | 1.16 |
1984 | DET | 35 | 35 | 19 | 11 | 3.60 | 148 | 9 | 1 | 0 | 240.1 | 221 | 96 | 108 | 20 | 87 | 2 | 1.28 |
1985 | DET | 35 | 35 | 16 | 11 | 3.33 | 191 | 13 | 4 | 0 | 257.0 | 212 | 95 | 102 | 21 | 110 | 5 | 1.25 |
1986 | DET | 35 | 35 | 21 | 8 | 3.27 | 223 | 15 | 6 | 0 | 267.0 | 229 | 97 | 105 | 40 | 82 | 0 | 1.16 |
1987 | DET | 34 | 34 | 18 | 11 | 3.38 | 208 | 13 | 0 | 0 | 266.0 | 227 | 100 | 111 | 39 | 93 | 1 | 1.20 |
1988 | DET | 34 | 34 | 15 | 13 | 3.94 | 168 | 10 | 2 | 0 | 235.0 | 225 | 103 | 115 | 20 | 83 | 4 | 1.31 |
1989 | DET | 24 | 24 | 6 | 14 | 4.86 | 115 | 10 | 0 | 0 | 170.1 | 189 | 92 | 102 | 23 | 59 | 2 | 1.46 |
1990 | DET | 36 | 36 | 15 | 18 | 4.51 | 162 | 11 | 3 | 0 | 249.2 | 231 | 125 | 144 | 26 | 97 | 6 | 1.31 |
1991 | MIN | 35 | 35 | 18 | 12 | 3.43 | 163 | 10 | 2 | 0 | 246.2 | 226 | 94 | 107 | 18 | 92 | 5 | 1.29 |
1992 | TOR | 34 | 34 | 21 | 6 | 4.04 | 132 | 6 | 1 | 0 | 240.2 | 222 | 108 | 114 | 18 | 80 | 10 | 1.25 |
1993 | TOR | 27 | 27 | 7 | 12 | 6.19 | 103 | 4 | 1 | 0 | 152.2 | 189 | 105 | 116 | 18 | 65 | 3 | 1.66 |
1994 | CLE | 23 | 23 | 10 | 6 | 5.60 | 100 | 1 | 0 | 0 | 141.1 | 163 | 88 | 96 | 14 | 67 | 4 | 1.63 |
| Career | 549 | 527 | 254 | 186 | 3.90 | 2,478 | 175 | 28 | 0 | 3824.0 | 3,567 | 1,657 | 1,815 | 389 | 1,390 | 58 | 1.30 |
Postseason
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1984 | DET | 3 | 3 | 3 | 0 | 1.80 | 17 | 2 | 0 | 0 | 25.0 | 18 | 5 | 5 | 1 | 4 | 0 | 0.88 |
1987 | DET | 1 | 1 | 0 | 1 | 6.75 | 7 | 1 | 0 | 0 | 8.0 | 6 | 6 | 6 | 1 | 3 | 0 | 1.13 |
1991 | MIN | 5 | 5 | 4 | 0 | 2.23 | 22 | 1 | 1 | 0 | 36.1 | 35 | 9 | 9 | 1 | 10 | 0 | 1.24 |
1992 | TOR | 4 | 4 | 0 | 3 | 7.43 | 18 | 1 | 0 | 0 | 23.0 | 24 | 19 | 19 | 6 | 15 | 0 | 1.70 |
| Career | 13 | 13 | 7 | 4 | 3.80 | 64 | 5 | 1 | 0 | 92.1 | 83 | 39 | 39 | 9 | 32 | 0 | 1.25 |
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