Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960 | HOU | 14 | 77 | 41 | 53.2 | 842 | 5 | 6 | 10 | 10.9 | 81.2 |
| 1961 | HOU | 14 | 127 | 66 | 52.0 | 1205 | 12 | 6 | 7 | 9.5 | 96.7 |
| 1962 | HOU | 14 | 50 | 26 | 52.0 | 433 | 4 | 5 | 5 | 8.7 | 68.6 |
| 1963 | HOU | 14 | 75 | 37 | 49.3 | 475 | 2 | 8 | 10 | 6.3 | 38.9 |
| 1964 | DEN | 14 | 265 | 133 | 50.2 | 1611 | 11 | 20 | 27 | 6.1 | 51.6 |
| 1965 | DEN | 4 | 80 | 44 | 55.0 | 692 | 5 | 3 | 5 | 8.6 | 89.2 |
| 1966 | HOU | 8 | 8 | 4 | 50.0 | 27 | 0 | 1 | 1 | 3.4 | 18.2 |
| 1967 | HOU | 9 | 91 | 42 | 46.2 | 414 | 3 | 6 | 2 | 4.5 | 43.0 |
| 1968 | KC | 6 | 45 | 25 | 55.6 | 383 | 3 | 1 | 4 | 8.5 | 96.8 |
| 1969 | KC | 3 | 20 | 12 | 60.0 | 109 | 1 | 1 | 2 | 5.4 | 70.6 |