Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1969 | BUF | 4 | 36 | 15 | 41.7 | 270 | 1 | 1 | 9 | 7.5 | 65.7 |
| 1970 | BUF | 7 | 50 | 24 | 48.0 | 338 | 3 | 4 | 7 | 6.8 | 56.9 |
| 1971 | BUF | 7 | 103 | 51 | 49.5 | 512 | 1 | 6 | 16 | 5.0 | 43.0 |
| 1973 | LAR | 8 | 11 | 7 | 63.6 | 68 | 0 | 0 | 0 | 6.2 | 80.9 |
| 1974 | LAR | 11 | 198 | 106 | 53.5 | 1544 | 11 | 6 | 12 | 7.8 | 85.1 |
| 1975 | LAR | 13 | 285 | 157 | 55.1 | 2148 | 14 | 15 | 21 | 7.5 | 73.8 |
| 1976 | LAR | 7 | 158 | 91 | 57.6 | 1460 | 8 | 6 | 14 | 9.2 | 89.6 |
| 1977 | LAC | 9 | 211 | 109 | 51.7 | 1240 | 5 | 11 | 12 | 5.9 | 55.8 |
| 1978 | LAC | 9 | 88 | 42 | 47.7 | 518 | 2 | 9 | 8 | 5.9 | 34.4 |
| 1979 | LAC | 8 | 9 | 5 | 55.6 | 38 | 0 | 1 | 2 | 4.2 | 26.4 |