| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | San Diego Padres | 2 | 0 | 3 | 18.0 | 2.50 | 0.72 | 15 | 3 | 1 | 7.50 | 1.50 |
| 1987 |
| San Diego Padres |
| 9 |
| 7 |
| 30 |
| 145.2 |
| 4.14 |
| 1.43 |
| 51 |
| 54 |
| 14 |
| 3.15 |
| 3.34 |
| 1988 | San Diego Padres | 9 | 14 | 29 | 179.0 | 4.12 | 1.32 | 82 | 44 | 14 | 4.12 | 2.21 |
| 1989 | New York Yankees | 2 | 1 | 11 | 48.0 | 5.25 | 1.50 | 25 | 16 | 7 | 4.69 | 3.00 |
| 1990 | New York Yankees | 1 | 2 | 17 | 50.0 | 6.30 | 1.90 | 25 | 23 | 8 | 4.50 | 4.14 |
| 1991 | Houston Astros | 6 | 8 | 26 | 135.1 | 4.39 | 1.43 | 88 | 51 | 9 | 5.85 | 3.39 |
| 1992 | Houston Astros | 10 | 6 | 25 | 139.1 | 4.07 | 1.25 | 69 | 39 | 13 | 4.46 | 2.52 |
| 1993 | Montreal Expos | 4 | 1 | 12 | 39.2 | 6.35 | 1.41 | 21 | 9 | 6 | 4.76 | 2.04 |
| Career | — | 43 | 39 | 153 | 755.0 | 4.46 | 1.39 | 376 | 239 | 72 | 4.48 | 2.85 |
