Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1969 | OAK | 12 | 4 | 1 | 1 | 6.64 | 24 | 0 | 0 | 1 | 42.0 | 49 | 31 | 34 | 13 | 18 | 0 | 1.60 |
1970 | OAK | 6 | 6 | 2 | 0 | 2.09 | 35 | 2 | 2 | 0 | 38.2 | 20 | 9 | 12 | 0 | 12 | 1 | 0.83 |
1971 | OAK | 39 | 39 | 24 | 8 | 1.82 | 301 | 24 | 8 | 0 | 312.0 | 209 | 63 | 73 | 19 | 88 | 4 | 0.95 |
1972 | OAK | 25 | 23 | 6 | 10 | 2.80 | 111 | 5 | 4 | 0 | 151.0 | 117 | 47 | 55 | 11 | 48 | 1 | 1.09 |
1973 | OAK | 37 | 37 | 20 | 9 | 3.28 | 158 | 13 | 4 | 0 | 263.2 | 214 | 96 | 108 | 26 | 105 | 4 | 1.21 |
1974 | OAK | 40 | 40 | 17 | 15 | 3.25 | 174 | 12 | 1 | 0 | 282.1 | 246 | 102 | 118 | 17 | 98 | 1 | 1.22 |
1975 | OAK | 39 | 38 | 22 | 11 | 3.01 | 189 | 13 | 2 | 1 | 278.0 | 243 | 93 | 103 | 21 | 99 | 5 | 1.23 |
1976 | OAK | 37 | 37 | 18 | 13 | 2.35 | 166 | 20 | 6 | 0 | 298.1 | 268 | 78 | 90 | 9 | 63 | 1 | 1.11 |
1977 | OAK | 38 | 38 | 14 | 19 | 3.83 | 157 | 16 | 1 | 0 | 279.2 | 284 | 119 | 138 | 23 | 86 | 1 | 1.32 |
1978 | SFG | 35 | 35 | 18 | 10 | 2.79 | 171 | 9 | 4 | 0 | 258.0 | 233 | 80 | 87 | 12 | 70 | 0 | 1.17 |
1979 | SFG | 34 | 34 | 14 | 14 | 5.01 | 138 | 10 | 0 | 0 | 237.0 | 246 | 132 | 143 | 23 | 111 | 1 | 1.51 |
1980 | SFG | 31 | 31 | 14 | 10 | 2.97 | 129 | 10 | 3 | 0 | 224.0 | 202 | 74 | 79 | 14 | 61 | 0 | 1.17 |
1981 | SFG | 18 | 18 | 8 | 6 | 2.45 | 63 | 1 | 0 | 0 | 124.2 | 97 | 34 | 40 | 7 | 54 | 1 | 1.21 |
1982 | KCR | 31 | 31 | 13 | 12 | 3.78 | 103 | 6 | 2 | 0 | 181.0 | 163 | 76 | 80 | 20 | 80 | 0 | 1.34 |
1983 | KCR | 19 | 14 | 0 | 5 | 6.01 | 53 | 1 | 0 | 0 | 85.1 | 96 | 57 | 62 | 12 | 35 | 2 | 1.54 |
1985 | SFG | 33 | 20 | 8 | 8 | 4.47 | 103 | 1 | 0 | 0 | 131.0 | 115 | 65 | 70 | 17 | 80 | 1 | 1.49 |
1986 | SFG | 28 | 28 | 10 | 10 | 3.27 | 100 | 0 | 0 | 0 | 156.2 | 137 | 57 | 65 | 19 | 77 | 0 | 1.37 |
| Career | 502 | 473 | 209 | 161 | 3.27 | 2,175 | 143 | 37 | 2 | 3343.1 | 2,939 | 1,213 | 1,357 | 263 | 1,185 | 23 | 1.23 |
Postseason
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1971 | OAK | 1 | 1 | 0 | 1 | 6.43 | 8 | 0 | 0 | 0 | 7.0 | 7 | 5 | 5 | 0 | 2 | 0 | 1.29 |
1972 | OAK | 8 | 1 | 0 | 1 | 2.57 | 10 | 0 | 0 | 2 | 14.0 | 12 | 4 | 4 | 1 | 6 | 0 | 1.29 |
1973 | OAK | 4 | 4 | 0 | 2 | 7.00 | 11 | 0 | 0 | 0 | 18.0 | 18 | 14 | 14 | 3 | 8 | 0 | 1.44 |
1974 | OAK | 3 | 3 | 1 | 1 | 1.99 | 16 | 1 | 1 | 0 | 22.2 | 12 | 5 | 5 | 1 | 7 | 0 | 0.84 |
1975 | OAK | 1 | 1 | 0 | 0 | 9.00 | 2 | 0 | 0 | 0 | 3.0 | 6 | 3 | 3 | 1 | 0 | 0 | 2.00 |
| Career | 17 | 10 | 1 | 5 | 4.31 | 47 | 1 | 1 | 2 | 64.2 | 55 | 31 | 31 | 6 | 23 | 0 | 1.21 |
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