| Year | Team | G | GS | W | L | SV | CG | SHO | IP | H | R | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 14 | 13 | 0 | 9 | 0 | 0 | 0 | 57.2 | 67 | 56 | 37 | 1 | 62 | 52 | 5.77 | 2.24 | |
| 1992 | 25 | 25 | 7 | 12 | 0 | 0 | 0 | 157 | 144 | 95 | 77 | 7 | 86 | 96 | 4.41 | 1.46 | |
| 1993 | 13 | 13 | 3 | 5 | 0 | 0 | 0 | 70.2 | 78 | 47 | 39 | 2 | 43 | 35 | 4.97 | 1.71 | |
| 1994 | 39 | 7 | 9 | 10 | 7 | 0 | 0 | 84.1 | 87 | 47 | 41 | 5 | 46 | 64 | 4.38 | 1.58 | |
| 1995 | Cubs | 18 | 0 | 1 | 1 | 1 | 0 | 0 | 18 | 22 | 15 | 13 | 0 | 10 | 15 | 6.50 | 1.78 |
| 1995 | 37 | 0 | 2 | 3 | 19 | 0 | 0 | 37.2 | 23 | 9 | 6 | 2 | 16 | 26 | 1.43 | 1.04 | |
| 1996 | Cubs | 69 | 0 | 3 | 6 | 4 | 0 | 0 | 101 | 84 | 36 | 33 | 6 | 49 | 78 | 2.94 | 1.32 |
| 1997 | Cubs | 74 | 0 | 2 | 9 | 18 | 0 | 0 | 74 | 91 | 43 | 38 | 3 | 40 | 64 | 4.62 | 1.77 |
| 1998 | Cubs | 63 | 0 | 7 | 7 | 1 | 0 | 0 | 72.2 | 72 | 39 | 35 | 7 | 41 | 73 | 4.33 | 1.56 |
| 1999 | Cubs | 52 | 0 | 6 | 3 | 13 | 0 | 0 | 65 | 60 | 33 | 29 | 9 | 28 | 57 | 4.02 | 1.35 |
| 1999 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2.2 | 5 | 6 | 5 | 0 | 2 | 2 | 16.88 | 2.63 | |
| 2000 | Dodgers | 66 | 0 | 6 | 9 | 2 | 0 | 0 | 84.1 | 80 | 42 | 33 | 6 | 39 | 56 | 3.52 | 1.41 |
| 2001 | Dodgers | 43 | 22 | 12 | 8 | 0 | 0 | 0 | 166.1 | 172 | 84 | 80 | 9 | 54 | 141 | 4.33 | 1.36 |
| 2002 | Phillies | 46 | 19 | 7 | 9 | 0 | 0 | 0 | 136.2 | 132 | 76 | 66 | 9 | 58 | 96 | 4.35 | 1.39 |
| 2003 | Phillies | 66 | 0 | 1 | 4 | 0 | 0 | 0 | 68 | 68 | 22 | 20 | 1 | 23 | 51 | 2.65 | 1.34 |
| 2004 | Red Sox | 19 | 0 | 2 | 0 | 0 | 0 | 0 | 27 | 35 | 19 | 18 | 6 | 6 | 21 | 6.00 | 1.52 |
| 2004 | Blue Jays | 42 | 0 | 4 | 4 | 3 | 0 | 0 | 43 | 49 | 20 | 19 | 4 | 22 | 35 | 3.98 | 1.65 |
| 2004 | 61 | 0 | 6 | 4 | 3 | 0 | 0 | 70 | 84 | 39 | 37 | 10 | 28 | 56 | 4.76 | 1.60 | |
| 2005 | Phillies | 16 | 0 | 0 | 2 | 0 | 0 | 0 | 13.1 | 25 | 19 | 19 | 3 | 10 | 4 | 12.83 | 2.63 |
| 2005 | 14 | 0 | 1 | 2 | 0 | 0 | 0 | 16.1 | 22 | 14 | 8 | 1 | 8 | 14 | 4.41 | 1.84 | |
| 2006 | 48 | 0 | 5 | 3 | 1 | 0 | 0 | 63.1 | 66 | 33 | 30 | 7 | 22 | 43 | 4.26 | 1.39 | |
| Career Total | 574 | 41 | 51 | 62 | 42 | 0 | 0 | 869.1 | 890 | 448 | 403 | 63 | 380 | 691 | 4.17 | 1.46 | |
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