Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1970 | MIL | 2 | 0 | 0 | 0 | 10.80 | 5 | 0 | 0 | 0 | 1.2 | 3 | 2 | 2 | 0 | 1 | 0 | 2.40 |
1971 | PHI | 6 | 1 | 1 | 0 | 0.00 | 15 | 0 | 0 | 0 | 16.0 | 8 | 0 | 4 | 1 | 10 | 1 | 1.13 |
1972 | PHI | 49 | 15 | 5 | 9 | 4.06 | 112 | 1 | 1 | 1 | 139.2 | 138 | 63 | 72 | 6 | 56 | 2 | 1.39 |
1973 | PHI | 34 | 28 | 13 | 9 | 2.50 | 169 | 10 | 5 | 0 | 223.1 | 172 | 62 | 71 | 16 | 99 | 10 | 1.21 |
1974 | PHI | 25 | 18 | 6 | 9 | 5.21 | 72 | 2 | 0 | 0 | 112.1 | 122 | 65 | 71 | 11 | 65 | 7 | 1.66 |
1975 | PHI | 36 | 20 | 5 | 10 | 4.42 | 101 | 0 | 0 | 0 | 134.1 | 132 | 66 | 82 | 10 | 78 | 1 | 1.56 |
1976 | PHI | 26 | 2 | 3 | 1 | 1.75 | 67 | 0 | 0 | 1 | 61.2 | 55 | 12 | 18 | 3 | 18 | 3 | 1.18 |
1977 | PHI | 12 | 8 | 0 | 5 | 4.53 | 37 | 0 | 0 | 0 | 45.2 | 50 | 23 | 27 | 3 | 25 | 0 | 1.64 |
1977 | MON | 22 | 22 | 6 | 5 | 4.21 | 93 | 2 | 0 | 0 | 139.0 | 116 | 65 | 71 | 18 | 49 | 5 | 1.19 |
1977 | TOT | 34 | 30 | 6 | 10 | 4.29 | 130 | 2 | 0 | 0 | 184.2 | 166 | 88 | 98 | 21 | 74 | 5 | 1.30 |
1978 | MON | 33 | 15 | 4 | 12 | 5.38 | 69 | 0 | 0 | 0 | 112.0 | 121 | 67 | 68 | 16 | 71 | 5 | 1.71 |
1979 | NYM | 33 | 2 | 5 | 3 | 5.23 | 44 | 0 | 0 | 0 | 63.2 | 55 | 37 | 44 | 6 | 55 | 4 | 1.73 |
1979 | SEA | 4 | 2 | 0 | 2 | 5.27 | 5 | 0 | 0 | 0 | 13.2 | 11 | 8 | 11 | 2 | 10 | 2 | 1.54 |
1979 | TOT | 37 | 4 | 5 | 5 | 5.24 | 49 | 0 | 0 | 0 | 77.1 | 66 | 45 | 55 | 8 | 65 | 6 | 1.69 |
| Career | 282 | 133 | 48 | 65 | 3.98 | 789 | 15 | 6 | 2 | 1063.0 | 983 | 470 | 541 | 92 | 537 | 40 | 1.43 |
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