Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | MIN | 3 | 13 | 6 | 46.2 | 48 | 0 | 2 | 2 | 3.7 | 16.3 |
| 1983 | MIN | 1 | 28 | 16 | 57.1 | 124 | 1 | 2 | 3 | 4.4 | 50.3 |
| 1984 | MIN | 8 | 195 | 102 | 52.3 | 1019 | 5 | 11 | 20 | 5.2 | 52.5 |
| 1985 | MIN | 4 | 60 | 33 | 55.0 | 404 | 3 | 3 | 4 | 6.7 | 71.8 |
| 1986 | MIN | 9 | 143 | 80 | 55.9 | 1165 | 7 | 5 | 13 | 8.1 | 84.4 |
| 1987 | MIN | 12 | 264 | 140 | 53.0 | 2106 | 14 | 13 | 26 | 8.0 | 76.7 |
| 1988 | MIN | 14 | 332 | 204 | 61.4 | 2746 | 15 | 9 | 33 | 8.3 | 91.5 |
| 1989 | MIN | 14 | 362 | 194 | 53.6 | 2543 | 9 | 12 | 27 | 7.0 | 70.5 |
| 1990 | MIN | 6 | 146 | 82 | 56.2 | 1155 | 9 | 8 | 15 | 7.9 | 79.6 |
| 1991 | MIN | 5 | 122 | 72 | 59.0 | 825 | 3 | 10 | 8 | 6.8 | 53.5 |
| 1992 | ATL | 9 | 163 | 111 | 68.1 | 1366 | 13 | 4 | 8 | 8.4 | 110.1 |
| 1993 | NO | 14 | 388 | 221 | 57.0 | 2457 | 12 | 15 | 37 | 6.3 | 70.1 |
| 1994 | NO | 4 | 28 | 20 | 71.4 | 172 | 0 | 0 | 3 | 6.1 | 87.2 |
| 1995 | DAL | 7 | 57 | 38 | 66.7 | 391 | 1 | 3 | 4 | 6.9 | 70.1 |
| 1996 | DAL | 3 | 18 | 8 | 44.4 | 79 | 0 | 1 | 1 | 4.4 | 34.3 |
| 1997 | DAL | 7 | 21 | 12 | 57.1 | 115 | 0 | 0 | 4 | 5.5 | 72.5 |
| 1998 | LV | 5 | 88 | 52 | 59.1 | 568 | 7 | 4 | 9 | 6.5 | 85.8 |