Career Stats
| Season | TM | LG | W | L | ERA | G | GS | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | SO |
|---|
| 1980 | BOS | AL | 1 | 1 | 6.92 | 7 | 7 | 0 | 0 | 0 | 26.0 | 39 | 20 | 20 | 2 | 14 | 0 | 12 |
| 1981 | BOS | AL | 6 | 2 | 3.12 | 10 | 10 | 2 | 0 | 0 | 66.1 | 50 | 23 | 25 | 6 | 25 | 2 | 28 |
| 1982 | BOS | AL | 4 | 6 | 5.63 | 22 | 14 | 0 | 0 | 0 | 78.1 | 95 | 49 | 53 | 13 | 29 | 1 | 52 |
| 1983 | BOS | AL | 12 | 7 | 4.04 | 29 | 28 | 5 | 0 | 0 | 173.2 | 173 | 78 | 85 | 15 | 73 | 3 | 94 |
| 1984 | BOS | AL | 12 | 12 | 3.99 | 33 | 32 | 8 | 5 | 0 | 216.2 | 211 | 96 | 106 | 17 | 96 | 2 | 137 |
| 1985 | BOS | AL | 9 | 11 | 4.00 | 39 | 22 | 5 | 0 | 1 | 157.2 | 166 | 70 | 74 | 11 | 48 | 2 | 102 |
| 1986 | NYM | NL | 18 | 5 | 2.57 | 32 | 30 | 7 | 2 | 0 | 217.1 | 185 | 62 | 72 | 15 | 52 | 2 | 148 |
| 1987 | NYM | NL | 3 | 5 | 3.88 | 10 | 7 | 0 | 0 | 0 | 46.1 | 45 | 20 | 23 | 5 | 10 | 0 | 21 |
| 1988 | NYM | NL | 10 | 13 | 2.88 | 29 | 29 | 5 | 5 | 0 | 190.1 | 158 | 61 | 74 | 6 | 33 | 4 | 133 |
| 1989 | NYM | NL | 13 | 11 | 3.47 | 31 | 31 | 5 | 2 | 0 | 192.0 | 179 | 74 | 83 | 16 | 78 | 2 | 95 |
| 1990 | NYM | NL | 7 | 6 | 3.66 | 38 | 12 | 0 | 0 | 0 | 118.0 | 123 | 48 | 53 | 10 | 40 | 2 | 62 |
| 1991 | LAD | NL | 12 | 9 | 3.18 | 31 | 31 | 2 | 1 | 0 | 189.1 | 181 | 67 | 78 | 15 | 70 | 3 | 120 |
| 1992 | LAD | NL | 6 | 9 | 3.63 | 29 | 29 | 2 | 1 | 0 | 166.1 | 169 | 67 | 80 | 8 | 81 | 1 | 94 |
| 1993 | CLE | AL | 2 | 1 | 4.40 | 9 | 7 | 0 | 0 | 0 | 43.0 | 48 | 21 | 22 | 5 | 21 | 0 | 27 |
| 1994 | NYY | AL | 0 | 0 | 24.00 | 2 | 2 | 0 | 0 | 0 | 3.0 | 11 | 8 | 8 | 1 | 6 | 0 | 3 |
| Career | | | 115 | 98 | 3.65 | 351 | 291 | 41 | 16 | 1 | 1884.1 | 1,833 | 764 | 856 | 145 | 676 | 24 | 1,128 |
