Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1977 | CHC | 11 | 3 | 0 | 2 | 6.30 | 12 | 0 | 0 | 0 | 30.0 | 43 | 21 | 21 | 3 | 8 | 2 | 1.70 |
1978 | CHC | 37 | 36 | 7 | 15 | 3.30 | 73 | 6 | 3 | 0 | 223.2 | 221 | 82 | 96 | 16 | 56 | 4 | 1.24 |
1979 | CHC | 38 | 32 | 11 | 10 | 3.50 | 86 | 6 | 1 | 0 | 200.1 | 223 | 78 | 96 | 14 | 46 | 5 | 1.34 |
1980 | CHC | 41 | 37 | 10 | 14 | 5.20 | 83 | 2 | 1 | 0 | 202.2 | 259 | 117 | 123 | 16 | 82 | 1 | 1.68 |
1981 | CWS | 27 | 10 | 7 | 6 | 2.41 | 71 | 3 | 0 | 0 | 127.0 | 103 | 34 | 41 | 4 | 43 | 1 | 1.15 |
1982 | CWS | 44 | 27 | 11 | 8 | 3.99 | 78 | 3 | 2 | 5 | 189.2 | 206 | 84 | 96 | 9 | 59 | 6 | 1.40 |
1983 | CWS | 49 | 5 | 7 | 7 | 3.71 | 44 | 1 | 0 | 15 | 116.1 | 123 | 48 | 52 | 6 | 29 | 4 | 1.31 |
1984 | TOR | 56 | 4 | 8 | 8 | 4.55 | 45 | 0 | 0 | 9 | 85.0 | 97 | 43 | 53 | 9 | 38 | 1 | 1.59 |
1985 | TOR | 53 | 1 | 11 | 0 | 3.32 | 68 | 0 | 0 | 2 | 105.2 | 96 | 39 | 42 | 7 | 27 | 0 | 1.16 |
1986 | TOR | 40 | 2 | 2 | 6 | 5.05 | 30 | 0 | 0 | 2 | 73.0 | 93 | 41 | 50 | 5 | 23 | 0 | 1.59 |
1987 | OAK | 36 | 5 | 1 | 3 | 5.08 | 36 | 0 | 0 | 0 | 56.2 | 76 | 32 | 38 | 5 | 22 | 1 | 1.73 |
1988 | BOS | 46 | 0 | 7 | 6 | 3.48 | 49 | 0 | 0 | 0 | 82.2 | 92 | 32 | 39 | 3 | 19 | 2 | 1.34 |
1989 | BOS | 42 | 0 | 4 | 2 | 2.32 | 61 | 0 | 0 | 2 | 112.1 | 96 | 29 | 37 | 4 | 27 | 0 | 1.09 |
1990 | BOS | 47 | 1 | 3 | 5 | 4.68 | 49 | 0 | 0 | 0 | 105.2 | 114 | 55 | 61 | 10 | 30 | 3 | 1.36 |
1991 | BOS | 51 | 0 | 6 | 3 | 4.70 | 57 | 0 | 0 | 0 | 92.0 | 100 | 48 | 54 | 8 | 31 | 3 | 1.42 |
1992 | PIT | 21 | 0 | 1 | 1 | 5.14 | 15 | 0 | 0 | 0 | 28.0 | 33 | 16 | 16 | 3 | 9 | 2 | 1.50 |
| Career | 639 | 163 | 96 | 96 | 3.93 | 857 | 21 | 7 | 35 | 1830.2 | 1,975 | 799 | 915 | 122 | 549 | 35 | 1.38 |
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