| Year | Tm | G | W | L | Sv | IP | K | ERA | WHIP | R$ | T15 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1988 | ATL | 12 | 2 | 7 | 0 | 64 | 37 | 5.48 | 1.67 | -$3 | |
| 1989 | ATL | 29 | 12 | 11 | 0 | 208 | 168 | 2.94 | 1.12 | $18 | |
| 1990 | ATL | 34 | 14 | 11 | 0 | 231 | 170 | 3.85 | 1.28 | $14 | |
| 1991 | ATL | 36 | 14 | 13 | 0 | 229 | 148 | 3.80 | 1.23 | $13 | |
| 1992 | ATL | 35 | 15 | 12 | 0 | 246 | 215 | 2.85 | 1.16 | $24 | T15 |
| 1993 | ATL | 35 | 15 | 11 | 0 | 243 | 208 | 3.62 | 1.26 | $20 | |
| 1994 | ATL | 21 | 6 | 10 | 0 | 134 | 113 | 4.14 | 1.25 | $27 | T15 |
| 1995 | ATL | 29 | 12 | 7 | 0 | 192 | 193 | 3.18 | 1.24 | $22 | T15 |
| 1996 | ATL | 35 | 24 | 8 | 0 | 253 | 276 | 2.94 | 1.00 | $40 | T15 |
| 1997 | ATL | 35 | 15 | 12 | 0 | 256 | 241 | 3.02 | 1.16 | $26 | T15 |
| 1998 | ATL | 26 | 17 | 3 | 0 | 167 | 173 | 2.90 | 1.13 | $22 | T15 |
| 1999 | ATL | 29 | 11 | 8 | 0 | 186 | 156 | 3.19 | 1.12 | $22 | T15 |
| 2000 | Did not play | ||||||||||
| 2001 | ATL | 36 | 3 | 3 | 10 | 59 | 57 | 3.36 | 1.07 | $7 | |
| 2002 | ATL | 75 | 3 | 2 | 55 | 80 | 85 | 3.25 | 1.03 | $23 | T15 |
| 2003 | ATL | 62 | 0 | 2 | 45 | 64 | 73 | 1.12 | 0.87 | $24 | T15 |
| 2004 | ATL | 73 | 0 | 1 | 44 | 81 | 85 | 2.76 | 1.08 | $21 | |
| 2005 | ATL | 33 | 14 | 7 | 0 | 229 | 169 | 3.06 | 1.15 | $23 | T15 |
| 2006 | ATL | 35 | 16 | 9 | 0 | 232 | 211 | 3.49 | 1.19 | $26 | T15 |
| 2007 | ATL | 32 | 14 | 8 | 0 | 205 | 197 | 3.11 | 1.18 | $24 | T15 |
| 2008 | ATL | 6 | 3 | 2 | 0 | 28 | 36 | 2.57 | 1.18 | $0 | |
| 2009 | BOS-STL | 15 | 3 | 8 | 0 | 78 | 73 | 6.35 | 1.45 | -$5 |