Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1971 | NO | 12 | 177 | 86 | 48.6 | 1164 | 6 | 9 | 40 | 6.6 | 60.1 |
| 1972 | NO | 14 | 448 | 230 | 51.3 | 2781 | 18 | 21 | 43 | 6.2 | 64.6 |
| 1973 | NO | 13 | 267 | 140 | 52.4 | 1642 | 10 | 12 | 28 | 6.1 | 65.2 |
| 1974 | NO | 11 | 261 | 134 | 51.3 | 1429 | 6 | 16 | 26 | 5.5 | 49.8 |
| 1975 | NO | 13 | 338 | 159 | 47.0 | 1683 | 7 | 20 | 49 | 5.0 | 44.3 |
| 1977 | NO | 10 | 205 | 113 | 55.1 | 1284 | 8 | 9 | 36 | 6.3 | 68.8 |
| 1978 | NO | 16 | 471 | 291 | 61.8 | 3416 | 17 | 16 | 37 | 7.3 | 81.7 |
| 1979 | NO | 16 | 420 | 252 | 60.0 | 3169 | 15 | 20 | 17 | 7.5 | 75.6 |
| 1980 | NO | 16 | 509 | 309 | 60.7 | 3716 | 23 | 20 | 41 | 7.3 | 81.8 |
| 1981 | NO | 12 | 232 | 134 | 57.8 | 1447 | 5 | 11 | 21 | 6.2 | 63.6 |
| 1982 | HOU | 7 | 132 | 67 | 50.8 | 880 | 6 | 8 | 29 | 6.7 | 62.1 |
| 1983 | HOU | 5 | 88 | 44 | 50.0 | 755 | 2 | 8 | 11 | 8.6 | 49.2 |
| 1984 | MIN | 6 | 94 | 52 | 55.3 | 545 | 2 | 3 | 18 | 5.8 | 66.1 |