Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1970 | BOS | 3 | 1 | 1 | 0 | 3.24 | 2 | 0 | 0 | 0 | 8.1 | 7 | 3 | 3 | 0 | 4 | 0 | 1.32 |
1971 | BOS | 13 | 7 | 4 | 3 | 2.92 | 47 | 4 | 1 | 0 | 71.0 | 50 | 23 | 24 | 5 | 40 | 2 | 1.27 |
1972 | BOS | 3 | 0 | 0 | 0 | 3.60 | 4 | 0 | 0 | 0 | 5.0 | 5 | 2 | 3 | 0 | 6 | 0 | 2.20 |
1973 | BOS | 30 | 15 | 13 | 2 | 3.17 | 90 | 5 | 2 | 3 | 156.1 | 138 | 55 | 60 | 19 | 67 | 3 | 1.31 |
1974 | BOS | 31 | 21 | 9 | 10 | 3.74 | 111 | 10 | 1 | 2 | 173.1 | 158 | 72 | 79 | 15 | 79 | 2 | 1.37 |
1975 | BOS | 36 | 16 | 14 | 3 | 3.60 | 80 | 4 | 1 | 1 | 145.0 | 132 | 58 | 60 | 8 | 76 | 2 | 1.43 |
1976 | ATL | 27 | 12 | 3 | 5 | 5.00 | 30 | 1 | 0 | 1 | 77.1 | 84 | 43 | 44 | 7 | 27 | 1 | 1.44 |
1977 | TEX | 18 | 8 | 3 | 3 | 3.73 | 39 | 0 | 0 | 4 | 72.1 | 59 | 30 | 41 | 6 | 38 | 0 | 1.34 |
1978 | TEX | 7 | 2 | 0 | 1 | 4.91 | 5 | 0 | 0 | 1 | 14.2 | 23 | 8 | 8 | 1 | 2 | 1 | 1.70 |
| Career | 168 | 82 | 47 | 27 | 3.66 | 408 | 24 | 5 | 12 | 723.1 | 656 | 294 | 322 | 61 | 339 | 11 | 1.38 |
Yankees 
Orioles 
Red Sox 
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CLE 
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MIN 
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LAA 
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NYM 
