Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1965 | SFG | 4 | 2 | 0 | 2 | 16.50 | 5 | 0 | 0 | 0 | 6.0 | 13 | 11 | 11 | 0 | 6 | 0 | 3.17 |
1966 | CHC | 41 | 26 | 8 | 13 | 4.58 | 93 | 0 | 0 | 2 | 159.0 | 168 | 81 | 91 | 17 | 59 | 5 | 1.43 |
1967 | CHC | 49 | 11 | 7 | 8 | 2.46 | 84 | 3 | 1 | 6 | 150.0 | 134 | 41 | 46 | 9 | 48 | 2 | 1.21 |
1968 | CHC | 38 | 34 | 16 | 10 | 2.89 | 148 | 11 | 4 | 0 | 258.2 | 221 | 83 | 91 | 26 | 36 | 6 | 0.99 |
1969 | CHC | 41 | 41 | 20 | 14 | 2.49 | 181 | 18 | 3 | 0 | 300.0 | 268 | 83 | 102 | 21 | 73 | 6 | 1.14 |
1970 | CHC | 39 | 38 | 18 | 15 | 3.70 | 170 | 12 | 2 | 1 | 265.0 | 278 | 109 | 121 | 20 | 76 | 4 | 1.34 |
1971 | CHC | 36 | 35 | 12 | 18 | 3.42 | 128 | 14 | 1 | 0 | 242.1 | 248 | 92 | 112 | 27 | 50 | 2 | 1.23 |
1972 | CHC | 32 | 28 | 11 | 8 | 3.00 | 96 | 6 | 3 | 0 | 189.0 | 168 | 63 | 73 | 12 | 47 | 2 | 1.14 |
1973 | MIN | 39 | 15 | 7 | 10 | 3.49 | 78 | 3 | 1 | 2 | 142.0 | 138 | 55 | 69 | 14 | 41 | 2 | 1.26 |
1974 | MIN | 35 | 10 | 4 | 5 | 4.45 | 74 | 0 | 0 | 3 | 115.1 | 130 | 57 | 57 | 9 | 25 | 4 | 1.34 |
1974 | TEX | 2 | 2 | 2 | 0 | 1.93 | 4 | 1 | 1 | 0 | 14.0 | 11 | 3 | 3 | 0 | 3 | 0 | 1.00 |
1974 | TOT | 37 | 12 | 6 | 5 | 4.18 | 78 | 1 | 1 | 3 | 129.1 | 141 | 60 | 60 | 9 | 28 | 4 | 1.31 |
1975 | TEX | 18 | 18 | 6 | 7 | 4.02 | 67 | 4 | 1 | 0 | 109.2 | 118 | 49 | 58 | 12 | 28 | 3 | 1.33 |
| Career | 374 | 260 | 111 | 110 | 3.35 | 1,128 | 72 | 17 | 14 | 1951.0 | 1,895 | 727 | 834 | 167 | 492 | 36 | 1.22 |
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