Regular season · Pitching
| 1991 | DET | 38 | 3 | 6 | 2 | 88.2 | 94 | 45 | 37 | 29 | 4.57 | 1.48 |
| 1990 | TOR | 30 | 9 | 9 | 0 | 140.0 | 162 | 74 | 49 | 49 | 4.76 | 1.51 |
| 1989 | TOR | 33 | 11 | 11 | 0 | 205.1 | 214 | 70 | 53 | 69 | 3.07 | 1.30 |
| 1988 | TOR | 46 | 6 | 7 | 1 | 123.2 | 120 | 43 | 42 | 65 | 3.13 | 1.31 |
| 1987 | TOR | 44 | 11 | 4 | 0 | 151.1 | 144 | 74 | 59 | 92 | 4.40 | 1.34 |
| 1986 | TOR | 34 | 9 | 4 | 1 | 145.1 | 150 | 67 | 47 | 89 | 4.15 | 1.36 |
| 1985 | TOR | 4 | 0 | 2 | 0 | 6.2 | 10 | 4 | 4 | 5 | 5.40 | 2.10 |
| Career | TOTAL | 229 | 49 | 43 | 4 | 861.0 | 894 | 377 | 291 | 398 | 3.94 | 1.38 |
Playoffs · Pitching
| Year | Team | G | W | L | SV | IP | H | ER | BB | SO | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1989 | TOR | 2 | 0 | 0 | 0 | 2.2 | 0 | 0 | 3 | 1 | 0.00 | 1.13 |
| Career | TOTAL | 2 | 0 | 0 | 0 | 2.2 | 0 | 0 | 3 | 1 | 0.00 | 1.13 |