| Year | Tm | G | W | L | Sv | IP | K | ERA | WHIP | R$ | T15 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | ATL | 9 | 2 | 4 | 0 | 50 | 20 | 5.54 | 1.75 | -$3 | |
| 1988 | ATL | 34 | 7 | 17 | 0 | 195 | 84 | 4.56 | 1.35 | $2 | |
| 1989 | ATL | 29 | 14 | 8 | 0 | 186 | 90 | 3.68 | 1.14 | $12 | |
| 1990 | ATL | 33 | 10 | 12 | 0 | 214 | 129 | 4.28 | 1.45 | $4 | |
| 1991 | ATL | 34 | 20 | 11 | 0 | 246 | 192 | 2.55 | 1.10 | $29 | T15 |
| 1992 | ATL | 33 | 20 | 8 | 0 | 225 | 129 | 2.76 | 1.19 | $21 | |
| 1993 | ATL | 36 | 22 | 6 | 0 | 239 | 120 | 3.20 | 1.36 | $18 | |
| 1994 | ATL | 25 | 13 | 9 | 0 | 165 | 140 | 3.97 | 1.47 | $13 | |
| 1995 | ATL | 29 | 16 | 7 | 0 | 198 | 127 | 3.08 | 1.25 | $22 | T15 |
| 1996 | ATL | 36 | 15 | 10 | 0 | 235 | 181 | 2.98 | 1.31 | $23 | T15 |
| 1997 | ATL | 33 | 14 | 7 | 0 | 240 | 152 | 2.96 | 1.15 | $22 | T15 |
| 1998 | ATL | 33 | 20 | 6 | 0 | 229 | 157 | 2.47 | 1.20 | $27 | T15 |
| 1999 | ATL | 35 | 14 | 11 | 0 | 234 | 138 | 4.12 | 1.46 | $12 | |
| 2000 | ATL | 35 | 21 | 9 | 0 | 241 | 152 | 3.40 | 1.19 | $28 | T15 |
| 2001 | ATL | 35 | 16 | 7 | 0 | 219 | 116 | 3.57 | 1.41 | $13 | |
| 2002 | ATL | 36 | 18 | 11 | 0 | 224 | 127 | 2.96 | 1.28 | $18 | |
| 2003 | NYM | 32 | 9 | 14 | 0 | 183 | 82 | 4.52 | 1.48 | $1 | |
| 2004 | NYM | 33 | 11 | 14 | 0 | 212 | 109 | 3.60 | 1.29 | $14 | |
| 2005 | NYM | 33 | 13 | 13 | 0 | 211 | 105 | 3.53 | 1.36 | $11 | |
| 2006 | NYM | 32 | 15 | 7 | 0 | 198 | 131 | 3.82 | 1.33 | $15 | |
| 2007 | NYM | 34 | 13 | 8 | 0 | 200 | 89 | 4.45 | 1.41 | $7 | |
| 2008 | ATL | 13 | 2 | 4 | 0 | 63 | 37 | 5.54 | 1.64 | -$6 |