| Year | Team | G | GS | W | L | SV | CG | SHO | IP | H | R | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | 13 | 9 | 0 | 9 | 0 | 0 | 0 | 52.1 | 68 | 54 | 45 | 0 | 28 | 33 | 7.74 | 1.83 | |
| 1997 | 15 | 7 | 1 | 8 | 0 | 0 | 0 | 55.1 | 65 | 49 | 34 | 4 | 31 | 38 | 5.53 | 1.73 | |
| 1998 | 14 | 14 | 3 | 6 | 0 | 1 | 0 | 72 | 87 | 60 | 50 | 9 | 36 | 55 | 6.25 | 1.71 | |
| 2000 | 15 | 14 | 1 | 4 | 0 | 0 | 0 | 63 | 76 | 54 | 52 | 5 | 37 | 57 | 7.43 | 1.79 | |
| 2001 | 28 | 0 | 3 | 1 | 9 | 0 | 0 | 29.1 | 19 | 9 | 8 | 1 | 11 | 50 | 2.45 | 1.02 | |
| 2002 | Mariners | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 8 | 5 | 5 | 2 | 0 | 6 | 9.00 | 1.60 |
| 2002 | 61 | 0 | 4 | 3 | 24 | 0 | 0 | 77 | 51 | 28 | 20 | 5 | 34 | 93 | 2.34 | 1.10 | |
| 2003 | Mariners | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 12.2 | 17 | 12 | 12 | 0 | 6 | 9 | 8.53 | 1.82 |
| 2003 | 33 | 0 | 1 | 3 | 16 | 0 | 0 | 40.1 | 30 | 11 | 11 | 3 | 13 | 34 | 2.45 | 1.07 | |
| 2004 | Mariners | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 5 | 4 | 4 | 2 | 3 | 4 | 9.82 | 2.18 |
| 2004 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1.1 | 2 | 3 | 2 | 0 | 1 | 2 | 13.50 | 2.25 | |
| Career Total | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 21.1 | 30 | 21 | 21 | 4 | 9 | 19 | 8.86 | 1.83 | |
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