Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1975 | BAL | 11 | 4 | 3 | 0 | 3.63 | 31 | 1 | 0 | 0 | 57.0 | 41 | 23 | 23 | 8 | 19 | 0 | 1.05 |
1976 | OAK | 26 | 26 | 9 | 7 | 4.25 | 67 | 4 | 1 | 0 | 142.0 | 169 | 67 | 74 | 15 | 30 | 1 | 1.40 |
1977 | OAK | 5 | 3 | 0 | 3 | 10.54 | 5 | 0 | 0 | 0 | 13.2 | 21 | 16 | 16 | 3 | 7 | 0 | 2.05 |
1977 | SEA | 9 | 9 | 3 | 3 | 4.99 | 20 | 0 | 0 | 0 | 39.2 | 50 | 22 | 26 | 7 | 16 | 1 | 1.66 |
1977 | TOT | 14 | 12 | 3 | 6 | 6.41 | 25 | 0 | 0 | 0 | 53.1 | 71 | 38 | 42 | 10 | 23 | 1 | 1.76 |
1978 | SEA | 29 | 29 | 8 | 14 | 4.18 | 75 | 4 | 2 | 0 | 168.0 | 173 | 78 | 86 | 21 | 79 | 2 | 1.50 |
1979 | SEA | 10 | 6 | 1 | 4 | 4.42 | 18 | 1 | 0 | 0 | 36.2 | 46 | 18 | 26 | 4 | 15 | 0 | 1.66 |
1979 | MIL | 18 | 8 | 3 | 3 | 5.76 | 32 | 0 | 0 | 0 | 75.0 | 81 | 48 | 50 | 11 | 10 | 3 | 1.21 |
1979 | TOT | 28 | 14 | 4 | 7 | 5.32 | 50 | 1 | 0 | 0 | 111.2 | 127 | 66 | 76 | 15 | 25 | 3 | 1.36 |
1980 | MIL | 17 | 11 | 5 | 5 | 3.53 | 29 | 1 | 1 | 1 | 89.1 | 92 | 35 | 40 | 7 | 15 | 1 | 1.20 |
| Career | 125 | 96 | 32 | 39 | 4.45 | 277 | 11 | 4 | 1 | 621.1 | 673 | 307 | 341 | 76 | 191 | 8 | 1.39 |
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