Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1976 | PIT | 12 | 1 | 0 | 1 | 6.26 | 17 | 0 | 0 | 0 | 23.0 | 27 | 16 | 17 | 2 | 14 | 0 | 1.78 |
1977 | OAK | 37 | 31 | 8 | 19 | 4.02 | 141 | 6 | 1 | 0 | 208.1 | 223 | 93 | 107 | 18 | 73 | 2 | 1.42 |
1978 | OAK | 37 | 24 | 7 | 13 | 3.43 | 92 | 4 | 2 | 0 | 175.2 | 169 | 67 | 77 | 15 | 56 | 3 | 1.28 |
1979 | OAK | 34 | 29 | 12 | 16 | 4.28 | 101 | 14 | 1 | 0 | 218.2 | 233 | 104 | 114 | 22 | 57 | 4 | 1.33 |
1980 | OAK | 35 | 33 | 19 | 12 | 3.26 | 102 | 28 | 2 | 0 | 290.0 | 276 | 105 | 119 | 29 | 64 | 1 | 1.17 |
1981 | OAK | 24 | 24 | 12 | 10 | 2.99 | 84 | 18 | 2 | 0 | 195.1 | 190 | 65 | 81 | 14 | 58 | 3 | 1.27 |
1982 | OAK | 32 | 31 | 11 | 16 | 4.21 | 79 | 15 | 2 | 0 | 237.1 | 265 | 111 | 121 | 33 | 49 | 2 | 1.32 |
1983 | OAK | 7 | 7 | 0 | 4 | 12.15 | 2 | 0 | 0 | 0 | 20.0 | 43 | 27 | 28 | 4 | 10 | 2 | 2.65 |
1984 | OAK | 3 | 2 | 0 | 0 | 8.31 | 2 | 0 | 0 | 0 | 8.2 | 15 | 8 | 8 | 2 | 2 | 0 | 1.96 |
1985 | OAK | 23 | 3 | 3 | 5 | 3.51 | 21 | 0 | 0 | 0 | 59.0 | 60 | 23 | 24 | 8 | 15 | 0 | 1.27 |
1986 | OAK | 16 | 11 | 1 | 10 | 7.36 | 30 | 0 | 0 | 0 | 55.0 | 69 | 45 | 49 | 13 | 18 | 1 | 1.58 |
| Career | 260 | 196 | 73 | 106 | 4.01 | 671 | 85 | 10 | 0 | 1491.0 | 1,570 | 664 | 745 | 160 | 416 | 18 | 1.33 |
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