Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1973 | LAC | 10 | 194 | 87 | 44.8 | 1126 | 6 | 13 | 14 | 5.8 | 46.0 |
| 1974 | LAC | 11 | 237 | 115 | 48.5 | 1732 | 8 | 13 | 12 | 7.3 | 61.4 |
| 1975 | LAC | 10 | 195 | 106 | 54.4 | 1396 | 2 | 10 | 25 | 7.2 | 59.3 |
| 1976 | LAC | 14 | 359 | 208 | 57.9 | 2535 | 14 | 15 | 39 | 7.1 | 75.4 |
| 1977 | LAC | 4 | 109 | 69 | 63.3 | 869 | 4 | 6 | 10 | 8.0 | 77.4 |
| 1978 | LAC | 15 | 381 | 224 | 58.8 | 2999 | 24 | 20 | 22 | 7.9 | 83.0 |
| 1979 | LAC | 17 | 577 | 357 | 61.9 | 4415 | 24 | 29 | 30 | 7.7 | 78.4 |
| 1980 | LAC | 18 | 671 | 392 | 58.4 | 5365 | 34 | 27 | 36 | 8.0 | 84.2 |
| 1981 | LAC | 18 | 690 | 408 | 59.1 | 5420 | 37 | 20 | 23 | 7.9 | 89.9 |
| 1982 | LAC | 11 | 406 | 246 | 60.6 | 3407 | 21 | 16 | 15 | 8.4 | 88.4 |
| 1983 | LAC | 10 | 340 | 215 | 63.2 | 2975 | 20 | 15 | 14 | 8.8 | 92.5 |
| 1984 | LAC | 13 | 507 | 317 | 62.5 | 3740 | 19 | 17 | 29 | 7.4 | 83.4 |
| 1985 | LAC | 14 | 430 | 254 | 59.1 | 3638 | 27 | 20 | 18 | 8.5 | 88.1 |
| 1986 | LAC | 12 | 430 | 252 | 58.6 | 3031 | 16 | 22 | 21 | 7.0 | 71.4 |
| 1987 | LAC | 11 | 364 | 206 | 56.6 | 2517 | 10 | 15 | 24 | 6.9 | 70.0 |