| Year | Team | G | GS | W | L | SV | CG | SHO | IP | H | R | ER | HR | BB | K | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 19 | 0 | 4 | 1 | 0 | 0 | 0 | 32.1 | 21 | 20 | 20 | 2 | 26 | 53 | 5.57 | 1.45 | |
| 2006 | 21 | 0 | 4 | 0 | 8 | 0 | 0 | 39.1 | 14 | 6 | 4 | 2 | 21 | 59 | .920 | .890 | |
| 2007 | 26 | 0 | 3 | 1 | 1 | 0 | 0 | 42 | 47 | 32 | 30 | 3 | 35 | 41 | 6.43 | 1.95 | |
| 2008 | 17 | 12 | 6 | 3 | 0 | 0 | 0 | 77.2 | 61 | 22 | 16 | 4 | 28 | 103 | 1.85 | 1.15 | |
| 2009 | Nationals | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 5 | 5 | 1 | 3 | 0 | 22.50 | 4.00 |
| 2009 | 47 | 0 | 0 | 1 | 4 | 0 | 0 | 53 | 36 | 12 | 12 | 1 | 23 | 56 | 2.04 | 1.11 | |
| 2010 | 17 | 0 | 0 | 1 | 4 | 0 | 0 | 20.2 | 8 | 2 | 2 | 0 | 6 | 25 | .870 | .680 | |
| 2011 | 43 | 1 | 3 | 3 | 2 | 0 | 0 | 56.1 | 44 | 23 | 17 | 5 | 34 | 59 | 2.72 | 1.38 | |
| 2012 | 29 | 0 | 3 | 5 | 0 | 0 | 0 | 39.1 | 52 | 35 | 34 | 4 | 22 | 40 | 7.78 | 1.88 | |
| Career Total | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 5 | 5 | 1 | 3 | 0 | 22.50 | 4.00 | |
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