Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1977 | BOS | 41 | 13 | 8 | 7 | 3.99 | 44 | 3 | 1 | 3 | 151.0 | 176 | 67 | 74 | 10 | 43 | 3 | 1.45 |
1978 | BOS | 52 | 3 | 15 | 2 | 2.60 | 38 | 0 | 0 | 10 | 141.2 | 142 | 41 | 50 | 5 | 34 | 1 | 1.24 |
1979 | BOS | 40 | 30 | 16 | 12 | 3.99 | 56 | 9 | 4 | 1 | 216.2 | 250 | 96 | 110 | 14 | 44 | 4 | 1.36 |
1980 | BOS | 52 | 17 | 10 | 8 | 3.39 | 71 | 5 | 1 | 14 | 175.0 | 186 | 66 | 75 | 11 | 52 | 7 | 1.36 |
1981 | BOS | 35 | 1 | 10 | 8 | 3.83 | 28 | 0 | 0 | 0 | 98.2 | 110 | 42 | 46 | 3 | 38 | 6 | 1.50 |
1982 | BOS | 48 | 0 | 12 | 7 | 3.10 | 83 | 0 | 0 | 14 | 168.1 | 161 | 58 | 60 | 11 | 50 | 4 | 1.25 |
1983 | BOS | 64 | 0 | 8 | 10 | 2.85 | 65 | 0 | 0 | 33 | 145.1 | 145 | 46 | 56 | 7 | 38 | 3 | 1.26 |
1984 | BOS | 57 | 0 | 9 | 10 | 3.54 | 52 | 0 | 0 | 22 | 106.2 | 113 | 42 | 57 | 9 | 23 | 2 | 1.27 |
1985 | BOS | 48 | 0 | 6 | 6 | 2.87 | 46 | 0 | 0 | 10 | 87.2 | 76 | 28 | 30 | 7 | 30 | 2 | 1.21 |
1986 | BOS | 66 | 1 | 6 | 6 | 4.37 | 54 | 0 | 0 | 16 | 82.1 | 109 | 40 | 48 | 9 | 22 | 0 | 1.59 |
1987 | BOS | 34 | 20 | 4 | 15 | 5.01 | 67 | 4 | 1 | 0 | 152.2 | 198 | 85 | 96 | 17 | 42 | 1 | 1.57 |
1988 | BOS | 57 | 0 | 6 | 4 | 3.19 | 57 | 0 | 0 | 5 | 101.2 | 90 | 36 | 41 | 6 | 29 | 7 | 1.17 |
1989 | BOS | 43 | 0 | 5 | 2 | 4.88 | 32 | 0 | 0 | 4 | 79.1 | 102 | 43 | 54 | 4 | 26 | 1 | 1.61 |
| Career | 637 | 85 | 115 | 97 | 3.64 | 693 | 21 | 7 | 132 | 1707.0 | 1,858 | 690 | 797 | 113 | 471 | 41 | 1.36 |
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