Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | BUF | 7 | 29 | 14 | 48.3 | 112 | 0 | 1 | 6 | 3.9 | 44.0 |
| 1996 | BUF | 8 | 103 | 56 | 54.4 | 746 | 4 | 5 | 13 | 7.2 | 70.3 |
| 1997 | BUF | 14 | 391 | 215 | 55.0 | 2367 | 12 | 13 | 39 | 6.1 | 69.5 |
| 2001 | KC | 1 | 4 | 3 | 75.0 | 40 | 0 | 0 | 0 | 10.0 | 106.2 |
| 2002 | KC | 2 | 6 | 5 | 83.3 | 73 | 1 | 0 | 0 | 12.2 | 156.9 |
| 2003 | KC | 5 | 12 | 9 | 75.0 | 74 | 0 | 0 | 0 | 6.2 | 90.3 |
| 2004 | KC | 2 | 5 | 1 | 20.0 | 42 | 0 | 0 | 0 | 8.4 | 62.1 |
| 2007 | WAS | 5 | 155 | 96 | 61.9 | 1154 | 7 | 2 | 10 | 7.4 | 94.4 |
| 2009 | WAS | 3 | 23 | 12 | 52.2 | 144 | 0 | 0 | 2 | 6.3 | 71.6 |
| 2010 | CHI | 3 | 31 | 10 | 32.3 | 68 | 0 | 5 | 2 | 2.2 | 1.9 |