Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2002 | STL | 7 | 214 | 138 | 64.5 | 1826 | 14 | 6 | 12 | 8.5 | 101.5 |
| 2003 | LA | 15 | 532 | 336 | 63.2 | 3845 | 22 | 22 | 37 | 7.2 | 81.4 |
| 2004 | LA | 14 | 485 | 321 | 66.2 | 3964 | 21 | 14 | 41 | 8.2 | 93.7 |
| 2005 | LA | 8 | 287 | 192 | 66.9 | 2297 | 14 | 9 | 26 | 8.0 | 94.4 |
| 2006 | LA | 16 | 588 | 370 | 62.9 | 4301 | 24 | 8 | 49 | 7.3 | 92.9 |
| 2007 | LA | 12 | 378 | 221 | 58.5 | 2392 | 11 | 15 | 37 | 6.3 | 70.3 |
| 2008 | LA | 15 | 441 | 252 | 57.1 | 2727 | 11 | 13 | 38 | 6.2 | 71.5 |
| 2009 | LA | 9 | 247 | 140 | 56.7 | 1469 | 5 | 6 | 14 | 5.9 | 70.7 |