| Year | Team | G | W | L | T | Pct | Pos | PF | PA | SHO | O-Rank | D-Rank | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2001 | Cleveland Browns | 16 | 13 | 3 | 0 | 0.812 | 1 | 456 | 270 | 1 | 15-2-4 | 5-5-4 | |
| 2002 | Cleveland Browns | 16 | 12 | 4 | 0 | 0.750 | 1 | 413 | 279 | 0 | 27-1-4 | 9-3-4 | |
| 2003 | Buffalo Bills | 16 | 14 | 2 | 0 | 0.875 | 1 | 405 | 235 | 0 | 19-3-14 | 3-3-2 | |
| 2004 | Buffalo Bills | 16 | 10 | 6 | 0 | 0.625 | 1 | 460 | 334 | 0 | 1-19-1 | 24-3-8 | |
| 2005 | Buffalo Bills | 16 | 9 | 7 | 0 | 0.562 | 2 | 369 | 342 | 1 | 6-11-4 | 17-15-13 | |
| 2006 | Buffalo Bills | 16 | 10 | 6 | 0 | 0.625 | 3 | 415 | 355 | 0 | 8-6-4 | 12-2-3 | |
| 2007 | Buffalo Bills | 16 | 10 | 5 | 1 | 0.625 | 3 | 396 | 341 | 0 | 8-9-4 | 30-1-24 | |
| 2008 | Buffalo Bills | 16 | 8 | 8 | 0 | 0.500 | 3 | 356 | 315 | 0 | 5-7-5 | 17-3-11 | |
| 2009 | Buffalo Bills | 16 | 7 | 9 | 0 | 0.438 | 3 | 345 | 328 | 0 | 11-1-10 | 10-3-6 | |
| CAREER | 9 Seasons | 144 | 93 | 50 | 1 | 0.646 | 4× | 3615 | 2799 | 2 | — | — |