| Year | Tm | G | W | L | Sv | IP | K | ERA | WHIP | R$ | T15 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | KCR | 11 | 0 | 0 | 0 | 22 | 21 | 5.56 | 1.85 | -$2 | |
| 1987 | NYM | 21 | 5 | 6 | 1 | 99 | 68 | 3.71 | 1.32 | $5 | |
| 1988 | NYM | 35 | 20 | 3 | 0 | 231 | 213 | 2.22 | 1.12 | $26 | T15 |
| 1989 | NYM | 34 | 14 | 8 | 0 | 219 | 190 | 3.52 | 1.17 | $16 | |
| 1990 | NYM | 31 | 14 | 10 | 0 | 211 | 233 | 3.23 | 1.14 | $23 | T15 |
| 1991 | NYM | 34 | 14 | 14 | 0 | 232 | 241 | 3.29 | 1.19 | $22 | T15 |
| 1992 | NYM-TOR | 35 | 17 | 10 | 0 | 249 | 261 | 2.81 | 1.25 | $24 | T15 |
| 1993 | KCR | 34 | 11 | 14 | 0 | 254 | 191 | 3.33 | 1.26 | $20 | |
| 1994 | KCR | 23 | 16 | 5 | 0 | 171 | 132 | 2.94 | 1.07 | $27 | T15 |
| 1995 | TOR-NYY | 30 | 18 | 8 | 0 | 229 | 191 | 3.57 | 1.23 | $25 | T15 |
| 1996 | NYY | 11 | 7 | 2 | 0 | 72 | 71 | 2.88 | 1.17 | $23 | T15 |
| 1997 | NYY | 29 | 12 | 6 | 0 | 195 | 222 | 2.82 | 1.24 | $20 | |
| 1998 | NYY | 31 | 20 | 7 | 0 | 207 | 209 | 3.55 | 1.18 | $23 | T15 |
| 2000 | NYY | 30 | 4 | 14 | 0 | 155 | 120 | 6.91 | 1.77 | -$9 | |
| 2001 | BOS | 25 | 9 | 7 | 0 | 135 | 115 | 4.31 | 1.51 | $3 | |
| 2002 | Did not play | ||||||||||
| 2003 | NYM | 5 | 1 | 3 | 0 | 18 | 13 | 6.50 | 1.83 | -$4 |