Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1966 | LAC | 14 | 52 | 21 | 40.4 | 405 | 5 | 1 | 3 | 7.8 | 92.2 |
| 1967 | DEN | 14 | 325 | 131 | 40.3 | 1915 | 16 | 17 | 39 | 5.9 | 54.8 |
| 1968 | DEN | 7 | 119 | 48 | 40.3 | 709 | 5 | 8 | 5 | 6.0 | 46.5 |
| 1969 | DEN | 13 | 286 | 131 | 45.8 | 1990 | 14 | 12 | 29 | 7.0 | 68.1 |
| 1970 | DEN | 7 | 80 | 38 | 47.5 | 539 | 3 | 8 | 6 | 6.7 | 42.7 |