| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | Philadelphia Phillies | 3 | 7 | 16 | 78.0 | 5.42 | 1.56 | 44 | 34 | 6 | 5.08 | 3.92 |
| 1987 |
| Philadelphia Phillies |
| 2 |
| 0 |
| 7 |
| 17.0 |
| 2.65 |
| 1.29 |
| 15 |
| 5 |
| 0 |
| 7.94 |
| 2.65 |
| 1988 | Philadelphia Phillies | 4 | 3 | 25 | 88.2 | 3.76 | 1.41 | 59 | 34 | 6 | 5.99 | 3.45 |
| 1989 | Philadelphia Phillies | 1 | 3 | 16 | 43.2 | 5.15 | 1.51 | 26 | 14 | 3 | 5.36 | 2.89 |
| 1990 | Los Angeles Dodgers | 0 | 1 | 11 | 20.2 | 6.53 | 1.35 | 11 | 4 | 3 | 4.79 | 1.74 |
| 1991 | San Diego Padres | 7 | 2 | 64 | 98.2 | 2.46 | 1.06 | 57 | 27 | 4 | 5.20 | 2.46 |
| 1992 | San Diego Padres | 2 | 2 | 50 | 79.2 | 2.37 | 1.19 | 60 | 24 | 2 | 6.78 | 2.71 |
| 1993 | New York Mets | 3 | 8 | 58 | 75.0 | 3.60 | 1.25 | 57 | 27 | 3 | 6.84 | 3.24 |
| 1994 | New York Mets | 2 | 1 | 27 | 44.0 | 5.11 | 1.32 | 32 | 13 | 7 | 6.55 | 2.66 |
| 1995 | Pittsburgh Pirates | 1 | 0 | 8 | 9.0 | 9.00 | 1.89 | 4 | 3 | 0 | 4.00 | 3.00 |
| 1995 | Boston Red Sox | 4 | 1 | 36 | 89.2 | 3.61 | 1.13 | 65 | 15 | 5 | 6.52 | 1.51 |
| 1995 | 5 | 1 | 44 | 98.2 | 4.10 | 1.20 | 69 | 18 | 5 | 6.29 | 1.64 |
| 1996 | Boston Red Sox | 3 | 2 | 23 | 64.1 | 4.48 | 1.60 | 32 | 27 | 12 | 4.48 | 3.78 |
| 1997 | Seattle Mariners | 1 | 0 | 6 | 10.2 | 10.13 | 2.63 | 7 | 8 | 1 | 5.91 | 6.75 |
| 1998 | Montreal Expos | 3 | 4 | 51 | 55.2 | 3.72 | 1.17 | 33 | 15 | 3 | 5.34 | 2.43 |
| 1999 | Montreal Expos | 0 | 0 | 4 | 5.0 | 9.00 | 2.40 | 4 | 3 | 1 | 7.20 | 5.40 |
| 1999 | Los Angeles Dodgers | 1 | 1 | 49 | 54.2 | 3.29 | 1.34 | 41 | 19 | 5 | 6.75 | 3.13 |
| 1999 | 1 | 1 | 53 | 59.2 | 3.77 | 1.42 | 45 | 22 | 6 | 6.79 | 3.32 |
| 2000 | Houston Astros | 2 | 2 | 21 | 27.1 | 6.26 | 1.57 | 17 | 12 | 6 | 5.60 | 3.95 |
| Career | — | 39 | 37 | 472 | 861.2 | 4.05 | 1.34 | 564 | 284 | 67 | 5.89 | 2.97 |
