Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1978 | NYY | 25 | 22 | 6 | 9 | 3.73 | 65 | 0 | 0 | 0 | 128.0 | 123 | 53 | 60 | 8 | 51 | 8 | 1.36 |
1979 | NYY | 15 | 13 | 3 | 6 | 5.21 | 32 | 1 | 1 | 0 | 76.0 | 85 | 44 | 45 | 5 | 41 | 0 | 1.66 |
1980 | SEA | 33 | 29 | 5 | 15 | 4.85 | 67 | 3 | 0 | 0 | 187.1 | 205 | 101 | 115 | 19 | 98 | 4 | 1.62 |
1981 | SEA | 13 | 9 | 3 | 2 | 2.97 | 36 | 0 | 0 | 1 | 66.2 | 59 | 22 | 24 | 2 | 18 | 2 | 1.16 |
1982 | SEA | 28 | 26 | 8 | 12 | 3.34 | 140 | 6 | 1 | 0 | 172.1 | 149 | 64 | 73 | 13 | 65 | 1 | 1.24 |
1983 | SEA | 30 | 29 | 10 | 15 | 3.84 | 132 | 8 | 2 | 0 | 196.2 | 197 | 84 | 89 | 12 | 66 | 3 | 1.34 |
1984 | SEA | 32 | 32 | 12 | 16 | 3.41 | 119 | 12 | 2 | 0 | 211.0 | 206 | 80 | 86 | 13 | 75 | 5 | 1.33 |
1985 | SEA | 18 | 15 | 5 | 6 | 7.29 | 45 | 1 | 1 | 0 | 70.1 | 93 | 57 | 61 | 9 | 33 | 3 | 1.79 |
1986 | SEA | 9 | 7 | 0 | 6 | 6.02 | 24 | 0 | 0 | 0 | 40.1 | 57 | 27 | 28 | 7 | 14 | 3 | 1.76 |
| Career | 203 | 182 | 52 | 87 | 4.17 | 660 | 31 | 7 | 1 | 1148.2 | 1,174 | 532 | 581 | 88 | 461 | 29 | 1.42 |
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