Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1975 | KC | 6 | 77 | 36 | 46.8 | 445 | 2 | 4 | 11 | 5.8 | 52.1 |
| 1976 | KC | 14 | 71 | 36 | 50.7 | 575 | 3 | 4 | 9 | 8.1 | 68.7 |
| 1977 | KC | 14 | 92 | 47 | 51.1 | 691 | 2 | 11 | 18 | 7.5 | 43.6 |
| 1978 | KC | 16 | 79 | 44 | 55.7 | 415 | 2 | 3 | 3 | 5.3 | 63.0 |
| 1987 | MIN | 3 | 89 | 49 | 55.1 | 607 | 3 | 5 | 18 | 6.8 | 64.2 |