Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1969 | STL | 1 | 1 | 0 | 0 | 9.00 | 3 | 0 | 0 | 0 | 4.0 | 7 | 4 | 4 | 0 | 1 | 0 | 2.00 |
1970 | STL | 16 | 1 | 0 | 4 | 7.62 | 22 | 0 | 0 | 0 | 26.0 | 31 | 22 | 27 | 3 | 18 | 0 | 1.88 |
1971 | STL | 34 | 34 | 12 | 12 | 4.01 | 148 | 10 | 2 | 0 | 222.0 | 238 | 99 | 107 | 20 | 53 | 6 | 1.31 |
1972 | STL | 33 | 33 | 14 | 15 | 3.94 | 153 | 11 | 3 | 0 | 230.2 | 229 | 101 | 120 | 21 | 60 | 5 | 1.25 |
1973 | STL | 32 | 32 | 14 | 10 | 3.01 | 122 | 6 | 3 | 0 | 224.0 | 211 | 75 | 88 | 13 | 61 | 4 | 1.21 |
1974 | BOS | 41 | 27 | 12 | 14 | 4.31 | 103 | 10 | 0 | 0 | 221.1 | 234 | 106 | 121 | 25 | 69 | 9 | 1.37 |
1975 | BOS | 31 | 20 | 13 | 9 | 4.43 | 78 | 3 | 1 | 0 | 170.2 | 173 | 84 | 90 | 19 | 52 | 3 | 1.32 |
1976 | BOS | 41 | 14 | 10 | 9 | 3.07 | 76 | 3 | 0 | 2 | 170.0 | 159 | 58 | 73 | 3 | 61 | 4 | 1.29 |
1977 | BOS | 36 | 27 | 11 | 8 | 4.26 | 85 | 9 | 1 | 2 | 190.1 | 211 | 90 | 97 | 20 | 43 | 4 | 1.33 |
1978 | BOS | 1 | 0 | 0 | 1 | 0.00 | 0 | 0 | 0 | 0 | 0.1 | 1 | 0 | 1 | 0 | 0 | 0 | 3.00 |
1978 | TEX | 53 | 0 | 5 | 7 | 3.09 | 46 | 0 | 0 | 12 | 75.2 | 65 | 26 | 33 | 5 | 23 | 3 | 1.16 |
1978 | TOT | 54 | 0 | 5 | 8 | 3.08 | 46 | 0 | 0 | 12 | 76.0 | 66 | 26 | 34 | 5 | 23 | 3 | 1.17 |
1979 | MIL | 29 | 1 | 1 | 5 | 6.71 | 22 | 0 | 0 | 4 | 55.0 | 77 | 41 | 44 | 9 | 23 | 0 | 1.82 |
1980 | MIL | 45 | 13 | 11 | 9 | 3.73 | 54 | 5 | 2 | 4 | 154.1 | 150 | 64 | 73 | 9 | 49 | 5 | 1.29 |
1981 | MIL | 35 | 0 | 2 | 3 | 5.15 | 18 | 0 | 0 | 1 | 64.2 | 57 | 37 | 41 | 5 | 30 | 1 | 1.35 |
| Career | 428 | 203 | 105 | 106 | 4.01 | 930 | 57 | 12 | 25 | 1809.0 | 1,843 | 807 | 919 | 152 | 543 | 44 | 1.32 |
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