Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | CHI | 3 | 3 | 1 | 33.3 | 38 | 0 | 1 | 2 | 12.7 | 42.4 |
| 1979 | CHI | 4 | 63 | 32 | 50.8 | 508 | 4 | 5 | 8 | 8.1 | 66.1 |
| 1980 | CHI | 13 | 278 | 148 | 53.2 | 2039 | 11 | 16 | 26 | 7.3 | 66.2 |
| 1981 | CHI | 16 | 436 | 195 | 44.7 | 2354 | 11 | 20 | 23 | 5.4 | 51.1 |
| 1982 | CHI | 4 | 28 | 12 | 42.9 | 125 | 0 | 4 | 2 | 4.5 | 16.8 |
| 1983 | CHI | 9 | 145 | 76 | 52.4 | 1108 | 5 | 7 | 11 | 7.6 | 69.0 |
| 1987 | LV | 3 | 83 | 39 | 47.0 | 630 | 5 | 4 | 7 | 7.6 | 72.9 |
| 1989 | LV | 1 | 2 | 2 | 100.0 | 50 | 0 | 0 | 2 | 25.0 | 118.8 |
| 1990 | LV | 5 | 1 | 1 | 100.0 | 36 | 0 | 0 | 0 | 36.0 | 118.8 |
| 1991 | LV | 4 | 14 | 6 | 42.9 | 127 | 1 | 2 | 2 | 9.1 | 59.8 |
| 1992 | LV | 5 | 53 | 29 | 54.7 | 372 | 4 | 3 | 3 | 7.0 | 78.5 |
| 1993 | LV | 8 | 76 | 45 | 59.2 | 640 | 3 | 4 | 12 | 8.4 | 77.7 |
| 1994 | LV | 9 | 33 | 18 | 54.5 | 222 | 2 | 0 | 9 | 6.7 | 95.8 |
| 1995 | LV | 9 | 175 | 100 | 57.1 | 1236 | 6 | 8 | 11 | 7.1 | 71.5 |