Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1968 | CLE | 36 | 7 | 5 | 8 | 3.93 | 87 | 0 | 0 | 3 | 91.2 | 72 | 40 | 42 | 11 | 35 | 5 | 1.17 |
1969 | CLE | 47 | 12 | 5 | 10 | 3.61 | 98 | 0 | 0 | 2 | 117.1 | 104 | 47 | 48 | 12 | 54 | 2 | 1.35 |
1970 | CLE | 30 | 15 | 2 | 8 | 4.81 | 70 | 1 | 0 | 0 | 88.0 | 91 | 47 | 51 | 13 | 45 | 0 | 1.55 |
1971 | CLE | 17 | 12 | 2 | 7 | 5.95 | 33 | 1 | 0 | 0 | 62.0 | 78 | 41 | 42 | 8 | 14 | 5 | 1.48 |
1972 | TEX | 49 | 20 | 8 | 9 | 2.17 | 108 | 2 | 1 | 1 | 161.2 | 149 | 39 | 50 | 4 | 52 | 2 | 1.24 |
1973 | TEX | 36 | 10 | 5 | 4 | 4.95 | 49 | 1 | 0 | 2 | 87.1 | 104 | 48 | 55 | 9 | 36 | 5 | 1.60 |
1973 | CHC | 11 | 1 | 0 | 1 | 3.44 | 6 | 0 | 0 | 0 | 18.1 | 17 | 7 | 7 | 2 | 9 | 0 | 1.42 |
1973 | TOT | 47 | 11 | 5 | 5 | 4.68 | 55 | 1 | 0 | 2 | 105.2 | 121 | 55 | 62 | 11 | 45 | 5 | 1.57 |
1974 | CHC | 2 | 0 | 0 | 1 | 27.00 | 1 | 0 | 0 | 0 | 1.1 | 4 | 4 | 4 | 1 | 1 | 0 | 3.75 |
| Career | 228 | 77 | 27 | 48 | 3.91 | 452 | 5 | 1 | 8 | 627.2 | 619 | 273 | 299 | 60 | 246 | 19 | 1.38 |
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