Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1972 | OAK | 25 | 14 | 6 | 6 | 2.93 | 55 | 1 | 0 | 0 | 101.1 | 94 | 33 | 34 | 7 | 31 | 1 | 1.23 |
1973 | OAK | 16 | 11 | 6 | 4 | 4.39 | 34 | 1 | 0 | 0 | 69.2 | 74 | 34 | 37 | 8 | 24 | 1 | 1.41 |
1974 | OAK | 29 | 18 | 7 | 4 | 3.15 | 69 | 1 | 1 | 0 | 117.0 | 104 | 41 | 45 | 10 | 48 | 5 | 1.30 |
1975 | OAK | 11 | 4 | 1 | 2 | 4.04 | 20 | 0 | 0 | 0 | 35.2 | 42 | 16 | 19 | 4 | 18 | 0 | 1.68 |
1975 | CWS | 30 | 1 | 6 | 5 | 2.84 | 51 | 0 | 0 | 6 | 69.2 | 63 | 22 | 23 | 4 | 29 | 0 | 1.32 |
1975 | TOT | 41 | 5 | 7 | 7 | 3.25 | 71 | 0 | 0 | 6 | 105.1 | 105 | 38 | 42 | 8 | 47 | 0 | 1.44 |
1976 | CWS | 45 | 1 | 6 | 6 | 3.59 | 62 | 0 | 0 | 10 | 90.1 | 81 | 36 | 38 | 4 | 45 | 4 | 1.39 |
1977 | CWS | 55 | 0 | 4 | 5 | 3.61 | 45 | 0 | 0 | 9 | 67.1 | 71 | 27 | 33 | 6 | 33 | 0 | 1.54 |
1978 | STL | 13 | 0 | 0 | 0 | 6.43 | 8 | 0 | 0 | 0 | 14.0 | 16 | 10 | 13 | 5 | 6 | 0 | 1.57 |
1978 | PIT | 16 | 0 | 0 | 2 | 3.42 | 15 | 0 | 0 | 1 | 26.1 | 23 | 10 | 16 | 2 | 12 | 0 | 1.33 |
1978 | TOT | 29 | 0 | 0 | 2 | 4.46 | 23 | 0 | 0 | 1 | 40.1 | 39 | 20 | 29 | 7 | 18 | 0 | 1.41 |
1979 | OAK | 40 | 7 | 3 | 4 | 3.70 | 52 | 1 | 0 | 5 | 82.2 | 80 | 34 | 42 | 5 | 43 | 1 | 1.49 |
1980 | OAK | 21 | 1 | 0 | 3 | 11.40 | 23 | 0 | 0 | 0 | 30.0 | 44 | 38 | 39 | 6 | 28 | 3 | 2.40 |
| Career | 301 | 57 | 39 | 41 | 3.85 | 434 | 4 | 1 | 31 | 704.0 | 692 | 301 | 339 | 61 | 317 | 15 | 1.43 |
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