| Year | Team | G | GS | W | L | SV | CG | SHO | IP | H | R | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991 | 14 | 12 | 3 | 5 | 1 | 0 | 0 | 70.1 | 72 | 40 | 33 | 3 | 37 | 48 | 4.22 | 1.55 | |
| 1992 | 14 | 11 | 4 | 5 | 0 | 0 | 0 | 61.2 | 72 | 40 | 32 | 8 | 26 | 53 | 4.67 | 1.59 | |
| 1993 | 26 | 26 | 9 | 11 | 0 | 1 | 0 | 145.1 | 160 | 89 | 70 | 3 | 58 | 85 | 4.33 | 1.50 | |
| 1994 | 46 | 0 | 6 | 5 | 13 | 0 | 0 | 80.1 | 73 | 28 | 24 | 5 | 35 | 53 | 2.69 | 1.34 | |
| 1995 | Mariners | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 5 | 1 | 0 | 0 | 2 | 3 | 0.00 | 1.50 |
| 1995 | 40 | 0 | 1 | 4 | 8 | 0 | 0 | 69.2 | 63 | 29 | 24 | 3 | 28 | 46 | 3.10 | 1.31 | |
| 1996 | Yankees | 26 | 0 | 1 | 1 | 0 | 0 | 0 | 40.1 | 42 | 24 | 23 | 6 | 23 | 38 | 5.13 | 1.61 |
| 1996 | 33 | 0 | 3 | 3 | 7 | 0 | 0 | 47.2 | 37 | 14 | 12 | 2 | 15 | 52 | 2.27 | 1.09 | |
| 1997 | Yankees | 25 | 0 | 0 | 4 | 0 | 0 | 0 | 33.2 | 36 | 23 | 22 | 5 | 10 | 25 | 5.88 | 1.37 |
| 1997 | 24 | 0 | 1 | 1 | 11 | 0 | 0 | 27 | 14 | 4 | 3 | 0 | 6 | 34 | 1.00 | .740 | |
| 1998 | Rays | 68 | 0 | 7 | 2 | 0 | 0 | 0 | 84 | 68 | 30 | 29 | 6 | 33 | 77 | 3.11 | 1.20 |
| 1999 | Rays | 17 | 0 | 0 | 1 | 0 | 0 | 0 | 20.2 | 15 | 7 | 6 | 0 | 14 | 15 | 2.61 | 1.40 |
| 2000 | Athletics | 25 | 0 | 3 | 1 | 4 | 0 | 0 | 35.1 | 35 | 14 | 11 | 2 | 14 | 37 | 2.80 | 1.39 |
| 2000 | Rays | 38 | 0 | 7 | 2 | 1 | 0 | 0 | 49.2 | 35 | 17 | 17 | 2 | 22 | 33 | 3.08 | 1.15 |
| 2000 | 63 | 0 | 10 | 3 | 5 | 0 | 0 | 85 | 70 | 31 | 28 | 4 | 36 | 70 | 2.96 | 1.25 | |
| 2001 | Athletics | 54 | 0 | 2 | 8 | 3 | 0 | 0 | 63 | 54 | 25 | 24 | 4 | 26 | 61 | 3.43 | 1.27 |
| 2001 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0.00 | 1.00 | |
| 2002 | Athletics | 61 | 0 | 6 | 4 | 1 | 0 | 0 | 67.2 | 68 | 36 | 32 | 5 | 29 | 53 | 4.26 | 1.43 |
| 2003 | Athletics | 41 | 0 | 2 | 3 | 1 | 0 | 0 | 37 | 40 | 25 | 23 | 4 | 16 | 25 | 5.59 | 1.51 |
| 2003 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 3.1 | 5 | 4 | 2 | 0 | 2 | 3 | 5.40 | 2.10 | |
| 2004 | Athletics | 65 | 0 | 0 | 5 | 2 | 0 | 0 | 47.2 | 45 | 21 | 19 | 5 | 19 | 49 | 3.59 | 1.34 |
| 2005 | Marlins | 52 | 0 | 1 | 4 | 0 | 0 | 0 | 43.1 | 39 | 17 | 15 | 2 | 17 | 34 | 3.12 | 1.29 |
| Career Total | 474 | 0 | 29 | 35 | 12 | 0 | 0 | 527 | 482 | 240 | 221 | 41 | 225 | 450 | 3.77 | 1.34 | |
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