Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1986 | NYY | 27 | 21 | 7 | 8 | 4.10 | 76 | 0 | 0 | 0 | 131.2 | 126 | 60 | 64 | 13 | 50 | 3 | 1.34 |
1987 | PIT | 29 | 28 | 11 | 12 | 3.88 | 120 | 1 | 1 | 0 | 176.1 | 165 | 76 | 86 | 22 | 46 | 0 | 1.20 |
1988 | PIT | 33 | 32 | 15 | 7 | 3.08 | 127 | 3 | 1 | 0 | 219.1 | 194 | 75 | 83 | 21 | 50 | 6 | 1.11 |
1989 | PIT | 35 | 34 | 14 | 12 | 2.80 | 123 | 8 | 5 | 0 | 244.1 | 215 | 76 | 83 | 21 | 69 | 3 | 1.16 |
1990 | PIT | 33 | 33 | 22 | 6 | 2.76 | 131 | 9 | 3 | 0 | 231.1 | 190 | 71 | 78 | 15 | 56 | 3 | 1.06 |
1991 | PIT | 35 | 35 | 15 | 14 | 3.07 | 142 | 5 | 2 | 0 | 234.2 | 245 | 80 | 92 | 16 | 62 | 3 | 1.31 |
1992 | PIT | 34 | 34 | 15 | 11 | 2.77 | 177 | 10 | 4 | 0 | 256.2 | 218 | 79 | 84 | 17 | 54 | 6 | 1.06 |
1993 | HOU | 34 | 34 | 9 | 18 | 3.79 | 157 | 7 | 2 | 0 | 237.2 | 242 | 100 | 108 | 18 | 60 | 3 | 1.27 |
1994 | HOU | 23 | 23 | 12 | 6 | 2.84 | 121 | 6 | 2 | 0 | 164.2 | 132 | 52 | 58 | 14 | 45 | 2 | 1.07 |
1995 | HOU | 31 | 31 | 10 | 9 | 4.77 | 143 | 2 | 1 | 0 | 185.0 | 205 | 98 | 104 | 18 | 54 | 8 | 1.40 |
1996 | HOU | 30 | 30 | 7 | 9 | 4.57 | 137 | 1 | 0 | 0 | 175.1 | 208 | 89 | 102 | 21 | 60 | 7 | 1.53 |
1997 | CWS | 31 | 31 | 12 | 11 | 5.74 | 85 | 0 | 0 | 0 | 169.1 | 170 | 108 | 109 | 30 | 69 | 4 | 1.41 |
1998 | BAL | 23 | 21 | 6 | 11 | 7.29 | 55 | 1 | 0 | 0 | 108.2 | 138 | 88 | 90 | 20 | 29 | 5 | 1.54 |
| Career | 398 | 387 | 155 | 134 | 3.73 | 1,594 | 53 | 21 | 0 | 2535.0 | 2,448 | 1,052 | 1,141 | 246 | 704 | 53 | 1.24 |
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