Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1986 | MIL | 10 | 4 | 0 | 4 | 7.01 | 29 | 0 | 0 | 0 | 34.2 | 41 | 27 | 27 | 9 | 13 | 0 | 1.56 |
1987 | MIL | 46 | 19 | 11 | 8 | 5.24 | 150 | 2 | 1 | 2 | 170.0 | 187 | 99 | 102 | 18 | 50 | 1 | 1.39 |
1988 | MIL | 38 | 22 | 7 | 15 | 3.36 | 84 | 9 | 1 | 6 | 182.0 | 190 | 68 | 80 | 13 | 38 | 2 | 1.25 |
1989 | MIL | 33 | 33 | 15 | 10 | 2.95 | 173 | 8 | 2 | 0 | 234.2 | 225 | 77 | 90 | 16 | 48 | 6 | 1.16 |
1990 | MIL | 20 | 20 | 4 | 9 | 4.00 | 76 | 4 | 1 | 0 | 132.2 | 131 | 59 | 67 | 15 | 38 | 3 | 1.27 |
1991 | MIL | 32 | 32 | 14 | 10 | 3.25 | 117 | 5 | 1 | 0 | 204.2 | 187 | 74 | 80 | 15 | 58 | 8 | 1.20 |
1992 | MIL | 33 | 33 | 16 | 6 | 3.62 | 120 | 4 | 2 | 0 | 231.1 | 223 | 93 | 100 | 21 | 44 | 4 | 1.15 |
1993 | SEA | 29 | 24 | 9 | 9 | 3.45 | 119 | 3 | 1 | 1 | 164.1 | 138 | 63 | 75 | 14 | 59 | 6 | 1.20 |
1994 | SEA | 19 | 19 | 4 | 10 | 4.32 | 67 | 4 | 0 | 0 | 125.0 | 137 | 60 | 72 | 15 | 40 | 2 | 1.42 |
1995 | SEA | 31 | 31 | 10 | 8 | 4.92 | 85 | 0 | 0 | 0 | 170.0 | 211 | 93 | 98 | 18 | 69 | 5 | 1.65 |
1996 | SEA | 18 | 9 | 4 | 4 | 5.93 | 39 | 0 | 0 | 0 | 60.2 | 72 | 40 | 44 | 8 | 24 | 4 | 1.58 |
| Career | 309 | 246 | 94 | 93 | 3.96 | 1,059 | 39 | 9 | 9 | 1710.0 | 1,742 | 753 | 835 | 162 | 481 | 41 | 1.30 |
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