| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | California Angels | 0 | 1 | 2 | 3.1 | 21.60 | 3.00 | 0 | 3 | 1 | 0.00 | 8.10 |
| 1985 |
| Pittsburgh Pirates |
| 1 |
| 2 |
| 5 |
| 24.2 |
| 5.11 |
| 1.14 |
| 13 |
| 7 |
| 4 |
| 4.74 |
| 2.55 |
| 1985 | 1 | 3 | 7 | 28.0 | 7.07 | 1.36 | 13 | 10 | 5 | 4.18 | 3.21 |
| 1986 | Pittsburgh Pirates | 6 | 8 | 20 | 114.0 | 4.03 | 1.38 | 81 | 34 | 17 | 6.39 | 2.68 |
| 1987 | Pittsburgh Pirates | 5 | 9 | 24 | 110.2 | 5.94 | 1.53 | 83 | 52 | 25 | 6.75 | 4.23 |
| 1988 | Pittsburgh Pirates | 2 | 6 | 50 | 65.0 | 3.74 | 1.23 | 39 | 26 | 7 | 5.40 | 3.60 |
| 1989 | Pittsburgh Pirates | 3 | 4 | 52 | 83.0 | 2.93 | 1.06 | 58 | 33 | 5 | 6.29 | 3.58 |
| 1990 | Pittsburgh Pirates | 5 | 2 | 41 | 62.2 | 3.02 | 1.12 | 35 | 26 | 7 | 5.03 | 3.73 |
| 1991 | Pittsburgh Pirates | 2 | 2 | 52 | 60.0 | 4.65 | 1.47 | 38 | 22 | 7 | 5.70 | 3.30 |
| 1992 | Minnesota Twins | 3 | 3 | 25 | 38.2 | 4.42 | 1.40 | 22 | 14 | 8 | 5.12 | 3.26 |
| Career | — | 27 | 37 | 271 | 562.0 | 4.34 | 1.32 | 369 | 217 | 81 | 5.91 | 3.48 |
