Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | NE | 3 | 24 | 13 | 54.2 | 183 | 2 | 1 | 1 | 7.6 | 89.4 |
| 2006 | NE | 5 | 8 | 5 | 62.5 | 32 | 0 | 0 | 3 | 4.0 | 70.8 |
| 2007 | NE | 5 | 7 | 4 | 57.1 | 38 | 0 | 1 | 0 | 5.4 | 32.7 |
| 2008 | NE | 16 | 518 | 328 | 63.3 | 3693 | 21 | 11 | 44 | 7.1 | 89.2 |
| 2009 | KC | 15 | 494 | 272 | 55.1 | 2924 | 16 | 16 | 42 | 5.9 | 69.9 |
| 2010 | KC | 16 | 468 | 271 | 57.9 | 3186 | 27 | 10 | 29 | 6.8 | 89.0 |
| 2011 | KC | 9 | 269 | 160 | 59.5 | 1713 | 10 | 9 | 22 | 6.4 | 76.6 |
| 2012 | KC | 9 | 277 | 161 | 58.1 | 1796 | 6 | 12 | 19 | 6.5 | 66.7 |
| 2013 | MIN | 9 | 254 | 153 | 60.2 | 1807 | 11 | 9 | 16 | 7.1 | 81.6 |
| 2014 | MIN | 3 | 71 | 41 | 57.7 | 425 | 3 | 4 | 6 | 6.0 | 65.8 |
| 2015 | DAL | 8 | 204 | 119 | 58.3 | 1276 | 5 | 7 | 14 | 6.3 | 70.6 |
| 2016 | TEN | 4 | 51 | 30 | 58.8 | 284 | 2 | 2 | 5 | 5.6 | 71.0 |
| 2017 | TEN | 2 | 42 | 25 | 59.5 | 162 | 1 | 2 | 8 | 3.9 | 55.9 |
| 2018 | DET | 2 | 17 | 7 | 41.2 | 59 | 0 | 1 | 1 | 3.5 | 26.3 |