| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004 | Toronto Blue Jays | 5 | 4 | 16 | 97.2 | 3.69 | 1.23 | 64 | 25 | 11 | 5.90 | 2.30 |
| 2005 |
| Toronto Blue Jays |
| 5 |
| 11 |
| 25 |
| 136.1 |
| 4.49 |
| 1.25 |
| 75 |
| 29 |
| 20 |
| 4.95 |
| 1.91 |
| 2006 | Milwaukee Brewers | 12 | 11 | 34 | 210.0 | 4.41 | 1.14 | 166 | 38 | 26 | 7.11 | 1.63 |
| 2007 | Milwaukee Brewers | 12 | 10 | 33 | 186.1 | 5.12 | 1.40 | 134 | 44 | 27 | 6.47 | 2.13 |
| 2008 | Milwaukee Brewers | 9 | 10 | 31 | 185.0 | 4.18 | 1.14 | 109 | 48 | 29 | 5.30 | 2.34 |
| 2009 | Milwaukee Brewers | 5 | 9 | 22 | 114.1 | 6.38 | 1.47 | 89 | 37 | 19 | 7.01 | 2.91 |
| 2010 | Milwaukee Brewers | 8 | 13 | 32 | 174.1 | 4.54 | 1.51 | 107 | 65 | 28 | 5.52 | 3.36 |
| 2011 | Texas Rangers | 0 | 1 | 17 | 37.1 | 5.79 | 1.50 | 23 | 9 | 6 | 5.54 | 2.17 |
| 2013 | Toronto Blue Jays | 0 | 0 | 1 | 3.0 | 15.00 | 2.00 | 1 | 1 | 4 | 3.00 | 3.00 |
| Career | — | 56 | 69 | 211 | 1144.1 | 4.73 | 1.31 | 768 | 296 | 170 | 6.04 | 2.33 |
