| Year | Team | G | GS | W | L | SV | CG | SHO | IP | H | R | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2002 | 16 | 9 | 4 | 5 | 1 | 1 | 0 | 56.1 | 71 | 52 | 49 | 7 | 31 | 55 | 7.83 | 1.81 | |
| 2003 | 13 | 12 | 4 | 5 | 0 | 3 | 1 | 77.2 | 73 | 49 | 34 | 3 | 40 | 79 | 3.94 | 1.45 | |
| 2004 | 13 | 13 | 6 | 6 | 0 | 0 | 0 | 75 | 68 | 49 | 40 | 6 | 33 | 85 | 4.80 | 1.35 | |
| 2005 | 12 | 12 | 4 | 1 | 0 | 0 | 0 | 62.2 | 38 | 15 | 13 | 3 | 33 | 58 | 1.87 | 1.13 | |
| 2006 | 25 | 25 | 7 | 8 | 0 | 0 | 0 | 127.2 | 122 | 63 | 61 | 15 | 61 | 108 | 4.30 | 1.43 | |
| 2007 | 25 | 25 | 9 | 12 | 0 | 1 | 1 | 129 | 144 | 83 | 79 | 14 | 57 | 90 | 5.51 | 1.56 | |
| 2008 | 28 | 22 | 5 | 8 | 0 | 1 | 0 | 109.2 | 103 | 57 | 51 | 9 | 55 | 93 | 4.19 | 1.44 | |
| 2009 | 22 | 21 | 6 | 9 | 0 | 0 | 0 | 104.1 | 92 | 60 | 47 | 3 | 57 | 71 | 4.05 | 1.43 |
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