Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004 | BUF | 3 | 5 | 3 | 60.0 | 32 | 0 | 1 | 1 | 6.4 | 39.2 |
| 2005 | BUF | 9 | 229 | 114 | 49.8 | 1340 | 8 | 8 | 25 | 5.9 | 65.0 |
| 2006 | BUF | 16 | 430 | 269 | 62.6 | 3050 | 19 | 14 | 47 | 7.1 | 84.9 |
| 2007 | BUF | 8 | 175 | 111 | 63.4 | 1204 | 4 | 6 | 14 | 6.9 | 76.9 |
| 2008 | BUF | 5 | 104 | 63 | 60.6 | 584 | 2 | 5 | 15 | 5.6 | 62.3 |
| 2009 | LV | 1 | 1 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0.0 | 39.6 |
| 2011 | MIA | 1 | 10 | 6 | 60.0 | 60 | 0 | 0 | 5 | 6.0 | 77.1 |