Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1967 | MIN | 13 | 214 | 102 | 47.7 | 1386 | 8 | 17 | 23 | 6.5 | 48.2 |
| 1968 | MIN | 14 | 248 | 129 | 52.0 | 1695 | 10 | 17 | 31 | 6.8 | 58.8 |
| 1969 | MIN | 13 | 237 | 120 | 50.6 | 1726 | 19 | 13 | 28 | 7.3 | 78.5 |
| 1970 | NE | 11 | 219 | 98 | 44.7 | 1104 | 3 | 17 | 27 | 5.0 | 32.6 |