Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1983 | DEN | 11 | 259 | 123 | 47.5 | 1663 | 7 | 14 | 28 | 6.4 | 54.9 |
| 1984 | DEN | 15 | 380 | 214 | 56.3 | 2598 | 18 | 15 | 24 | 6.8 | 76.8 |
| 1985 | DEN | 16 | 605 | 327 | 54.0 | 3891 | 22 | 23 | 38 | 6.4 | 70.2 |
| 1986 | DEN | 16 | 504 | 280 | 55.6 | 3485 | 19 | 13 | 32 | 6.9 | 79.0 |
| 1987 | DEN | 12 | 410 | 224 | 54.6 | 3198 | 19 | 12 | 20 | 7.8 | 83.4 |
| 1988 | DEN | 15 | 496 | 274 | 55.2 | 3309 | 17 | 19 | 30 | 6.7 | 71.4 |
| 1989 | DEN | 15 | 416 | 223 | 53.6 | 3051 | 18 | 18 | 35 | 7.3 | 73.7 |
| 1990 | DEN | 16 | 502 | 294 | 58.6 | 3526 | 15 | 14 | 43 | 7.0 | 78.5 |
| 1991 | DEN | 16 | 451 | 242 | 53.7 | 3253 | 13 | 12 | 45 | 7.2 | 75.4 |
| 1992 | DEN | 12 | 316 | 174 | 55.1 | 2242 | 10 | 17 | 36 | 7.1 | 65.7 |
| 1993 | DEN | 16 | 551 | 348 | 63.2 | 4030 | 25 | 10 | 39 | 7.3 | 92.8 |
| 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 | 15 | 466 | 287 | 61.6 | 3328 | 26 | 14 | 26 | 7.1 | 89.2 |
| 1997 | DEN | 16 | 502 | 280 | 55.8 | 3635 | 27 | 11 | 34 | 7.2 | 87.5 |
| 1998 | DEN | 13 | 356 | 210 | 59.0 | 2806 | 22 | 10 | 18 | 7.9 | 93.0 |