| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | Toronto Blue Jays | 3 | 5 | 27 | 68.2 | 4.06 | 1.37 | 43 | 28 | 4 | 5.64 | 3.67 |
| 1991 |
| Cleveland Indians |
| 2 |
| 3 |
| 11 |
| 36.0 |
| 6.75 |
| 1.89 |
| 13 |
| 10 |
| 7 |
| 3.25 |
| 2.50 |
| 1992 | Houston Astros | 5 | 7 | 29 | 78.2 | 4.00 | 1.26 | 48 | 25 | 5 | 5.49 | 2.86 |
| 1993 | Colorado Rockies | 6 | 10 | 46 | 146.0 | 4.75 | 1.55 | 84 | 42 | 20 | 5.18 | 2.59 |
| 1994 | Colorado Rockies | 0 | 5 | 47 | 77.2 | 5.79 | 1.76 | 68 | 39 | 9 | 7.88 | 4.52 |
| 1995 | San Diego Padres | 7 | 5 | 40 | 114.0 | 4.34 | 1.38 | 83 | 45 | 11 | 6.55 | 3.55 |
| 1996 | San Diego Padres | 2 | 6 | 60 | 88.0 | 4.60 | 1.24 | 67 | 29 | 13 | 6.85 | 2.97 |
| 1997 | Detroit Tigers | 16 | 8 | 29 | 175.0 | 4.17 | 1.33 | 90 | 46 | 18 | 4.63 | 2.37 |
| 1998 | Arizona Diamondbacks | 4 | 15 | 23 | 146.2 | 5.34 | 1.47 | 71 | 51 | 27 | 4.36 | 3.13 |
| 1998 | New York Mets | 1 | 1 | 11 | 28.2 | 3.14 | 1.15 | 21 | 10 | 4 | 6.59 | 3.14 |
| 1998 | 5 | 16 | 34 | 175.1 | 4.98 | 1.42 | 92 | 61 | 31 | 4.72 | 3.13 |
| 1999 | Detroit Tigers | 3 | 11 | 39 | 134.0 | 6.85 | 1.59 | 82 | 44 | 29 | 5.51 | 2.96 |
| 2000 | Detroit Tigers | 10 | 6 | 47 | 156.2 | 4.88 | 1.40 | 74 | 35 | 20 | 4.25 | 2.01 |
| 2001 | Detroit Tigers | 1 | 4 | 9 | 24.0 | 10.50 | 2.04 | 15 | 11 | 3 | 5.63 | 4.13 |
| Career | — | 60 | 86 | 418 | 1274.0 | 5.04 | 1.45 | 759 | 415 | 170 | 5.36 | 2.93 |
