Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1962 | LAC | 14 | 260 | 107 | 41.2 | 1632 | 15 | 24 | 20 | 6.3 | 43.3 |
| 1963 | LAC | 14 | 64 | 28 | 43.8 | 502 | 6 | 6 | 5 | 7.8 | 63.4 |
| 1964 | LAC | 14 | 274 | 147 | 53.6 | 2157 | 18 | 15 | 11 | 7.9 | 78.7 |
| 1965 | LAC | 14 | 348 | 174 | 50.0 | 2798 | 20 | 21 | 22 | 8.0 | 71.3 |
| 1966 | LAC | 14 | 375 | 200 | 53.3 | 2846 | 23 | 14 | 28 | 7.6 | 83.0 |
| 1967 | LAC | 14 | 427 | 217 | 50.8 | 3365 | 24 | 22 | 9 | 7.9 | 74.5 |
| 1968 | LAC | 14 | 440 | 208 | 47.3 | 3473 | 27 | 32 | 10 | 7.9 | 64.5 |
| 1969 | LAC | 14 | 324 | 158 | 48.8 | 2253 | 10 | 11 | 18 | 7.0 | 67.8 |
| 1970 | LAC | 14 | 327 | 162 | 49.5 | 2388 | 22 | 15 | 42 | 7.3 | 77.1 |
| 1971 | LAC | 14 | 431 | 233 | 54.1 | 3075 | 21 | 25 | 16 | 7.1 | 68.9 |
| 1972 | LAC | 14 | 370 | 190 | 51.4 | 2449 | 15 | 26 | 19 | 6.6 | 56.7 |
| 1973 | LAR | 14 | 258 | 135 | 52.3 | 2008 | 22 | 11 | 17 | 7.8 | 88.8 |
| 1974 | LAR | 14 | 299 | 142 | 47.5 | 1752 | 8 | 14 | 15 | 5.9 | 55.5 |
| 1975 | GB | 14 | 353 | 191 | 54.1 | 2095 | 6 | 21 | 35 | 5.9 | 52.8 |
| 1976 | HOU | 14 | 113 | 60 | 53.1 | 634 | 7 | 8 | 15 | 5.6 | 60.9 |
| 1977 | HOU | 14 | 24 | 11 | 45.8 | 76 | 0 | 3 | 2 | 3.2 | 13.9 |