Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1977 | LAR | 3 | 15 | 9 | 60.0 | 83 | 2 | 0 | 1 | 5.5 | 114.7 |
| 1978 | LAR | 9 | 20 | 7 | 35.0 | 114 | 0 | 2 | 2 | 5.7 | 15.4 |
| 1979 | LAR | 8 | 110 | 53 | 48.2 | 778 | 5 | 10 | 11 | 7.1 | 49.0 |
| 1980 | LAR | 16 | 404 | 240 | 59.4 | 3199 | 30 | 19 | 23 | 7.9 | 89.7 |
| 1982 | LAR | 7 | 209 | 118 | 56.5 | 1609 | 9 | 9 | 7 | 7.7 | 77.6 |
| 1983 | LAR | 16 | 464 | 274 | 59.1 | 3276 | 22 | 23 | 21 | 7.1 | 75.9 |
| 1984 | LAR | 3 | 66 | 29 | 43.9 | 317 | 2 | 8 | 7 | 4.8 | 29.2 |
| 1985 | BUF | 10 | 287 | 149 | 51.9 | 1677 | 5 | 17 | 19 | 5.8 | 50.8 |
| 1986 | GB | 3 | 40 | 23 | 57.5 | 283 | 1 | 3 | 3 | 7.1 | 56.6 |