Season Statistics
| Season | Team | G | CMP | ATT | YDS | TD | INT | Sacked | 1D |
| 2003 | CHI | 3 | 38 | 72 | 437 | 2 | 1 | 4 | 23 |
| 2004 | CHI | 3 | 47 | 84 | 607 | 1 | 3 | 5 | 28 |
| 2005 | CHI | 2 | 20 | 39 | 259 | 1 | 2 | 1 | 14 |
| 2005 POST | CHI | 1 | 17 | 41 | 192 | 1 | 1 | 1 | 11 |
| 2006 | CHI | 16 | 262 | 480 | 3,197 | 23 | 20 | 21 | 150 |
| 2006 POST | CHI | 3 | 52 | 92 | 591 | 3 | 3 | 4 | 24 |
| 2007 | CHI | 8 | 122 | 225 | 1,411 | 4 | 7 | 25 | 66 |
| 2008 | CHI | 3 | 33 | 63 | 257 | 2 | 2 | 2 | 12 |
| 2009 | HOU | 1 | 3 | 9 | 33 | 0 | 1 | 0 | 1 |
| 2010 | WAS | 4 | 74 | 133 | 884 | 7 | 4 | 9 | 42 |
| 2011 | WAS | 13 | 265 | 458 | 3,151 | 16 | 20 | 25 | 159 |
| 2003 | CHI | 3 | 38 | 72 | 437 | 2 | 1 | 4 | 23 |
| 2004 | CHI | 3 | 47 | 84 | 607 | 1 | 3 | 5 | 28 |
| 2005 | CHI | 3 | 37 | 80 | 451 | 2 | 3 | 2 | 25 |
| 2006 | CHI | 19 | 314 | 572 | 3,788 | 26 | 23 | 25 | 174 |
| 2007 | CHI | 8 | 122 | 225 | 1,411 | 4 | 7 | 25 | 66 |
| 2008 | CHI | 3 | 33 | 63 | 257 | 2 | 2 | 2 | 12 |
| 2009 | HOU | 1 | 3 | 9 | 33 | 0 | 1 | 0 | 1 |
| 2010 | WAS | 4 | 74 | 133 | 884 | 7 | 4 | 9 | 42 |
| 2011 | WAS | 13 | 265 | 458 | 3,151 | 16 | 20 | 25 | 159 |
| Career | | 53 | 864 | 1,563 | 10,236 | 56 | 60 | 92 | 495 |
| Career | | 4 | 69 | 133 | 783 | 4 | 4 | 5 | 35 |
| Career | | 57 | 933 | 1,696 | 11,019 | 60 | 64 | 97 | 530 |