Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1985 | BUF | 1 | 1 | 1 | 100.0 | 19 | 0 | 0 | 0 | 19.0 | 118.8 |
| 1986 | BUF | 3 | 19 | 9 | 47.4 | 104 | 0 | 2 | 2 | 5.5 | 24.8 |
| 1989 | BUF | 7 | 87 | 53 | 60.9 | 701 | 7 | 2 | 4 | 8.1 | 103.7 |
| 1990 | BUF | 19 | 63 | 36 | 57.1 | 469 | 2 | 0 | 6 | 7.4 | 91.3 |
| 1991 | BUF | 19 | 42 | 28 | 66.7 | 316 | 6 | 2 | 4 | 7.5 | 108.7 |
| 1992 | BUF | 20 | 135 | 79 | 58.5 | 864 | 7 | 5 | 15 | 6.4 | 79.4 |
| 1993 | BUF | 15 | 26 | 16 | 61.5 | 153 | 2 | 0 | 6 | 5.9 | 103.5 |
| 1994 | BUF | 16 | 93 | 56 | 60.2 | 568 | 1 | 4 | 7 | 6.1 | 63.4 |
| 1995 | CAR | 3 | 84 | 37 | 44.0 | 441 | 2 | 2 | 12 | 5.2 | 58.7 |
| 1996 | NYJ | 10 | 331 | 175 | 52.9 | 2205 | 15 | 16 | 14 | 6.7 | 68.9 |
| 1997 | DET | 7 | 45 | 22 | 48.9 | 250 | 0 | 2 | 2 | 5.6 | 47.5 |
| 1998 | DET | 6 | 110 | 63 | 57.3 | 768 | 5 | 4 | 4 | 7.0 | 78.9 |