Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1983 | DEN | 12 | 274 | 133 | 48.5 | 1786 | 7 | 15 | 28 | 6.5 | 55.4 |
| 1984 | DEN | 16 | 417 | 233 | 55.9 | 2782 | 20 | 17 | 28 | 6.7 | 75.4 |
| 1985 | DEN | 16 | 605 | 327 | 54.0 | 3891 | 22 | 23 | 38 | 6.4 | 70.2 |
| 1986 | DEN | 19 | 611 | 337 | 55.2 | 4290 | 22 | 17 | 38 | 7.0 | 77.7 |
| 1987 | DEN | 15 | 499 | 266 | 53.3 | 3995 | 25 | 17 | 28 | 8.0 | 82.4 |
| 1988 | DEN | 15 | 496 | 274 | 55.2 | 3309 | 17 | 19 | 30 | 6.7 | 71.4 |
| 1989 | DEN | 18 | 498 | 265 | 53.2 | 3783 | 22 | 21 | 41 | 7.6 | 75.2 |
| 1990 | DEN | 16 | 502 | 294 | 58.6 | 3526 | 15 | 14 | 43 | 7.0 | 78.5 |
| 1991 | DEN | 18 | 505 | 272 | 53.9 | 3631 | 14 | 14 | 48 | 7.2 | 74.6 |
| 1992 | DEN | 12 | 316 | 174 | 55.1 | 2242 | 10 | 17 | 36 | 7.1 | 65.7 |
| 1993 | DEN | 17 | 598 | 377 | 63.0 | 4332 | 28 | 11 | 40 | 7.2 | 92.7 |
| 1994 | DEN | 14 | 494 | 307 | 62.1 | 3490 | 16 | 10 | 46 | 7.1 | 85.7 |
| 1995 | DEN | 16 | 542 | 316 | 58.3 | 3970 | 26 | 14 | 22 | 7.3 | 86.4 |
| 1996 | DEN | 16 | 504 | 312 | 61.9 | 3554 | 28 | 14 | 27 | 7.1 | 90.0 |
| 1997 | DEN | 20 | 598 | 336 | 56.2 | 4361 | 30 | 13 | 40 | 7.3 | 87.0 |
| 1998 | DEN | 16 | 442 | 255 | 57.7 | 3497 | 25 | 11 | 22 | 7.9 | 91.6 |