Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1961 | LAR | 4 | 13 | 5 | 38.5 | 51 | 0 | 2 | 1 | 3.9 | 10.9 |
| 1962 | LAR | 11 | 308 | 150 | 48.7 | 2440 | 16 | 20 | 17 | 7.9 | 65.9 |
| 1963 | LAR | 14 | 423 | 222 | 52.5 | 3280 | 28 | 21 | 40 | 7.8 | 79.5 |
| 1964 | LAR | 14 | 420 | 223 | 53.1 | 3045 | 21 | 24 | 37 | 7.2 | 69.4 |
| 1965 | LAR | 11 | 322 | 155 | 48.1 | 2439 | 18 | 15 | 20 | 7.6 | 73.0 |
| 1966 | LAR | 9 | 205 | 103 | 50.2 | 1334 | 10 | 11 | 18 | 6.5 | 65.0 |
| 1967 | LAR | 5 | 29 | 12 | 41.4 | 162 | 1 | 3 | 2 | 5.6 | 31.8 |
| 1968 | LAR | 7 | 67 | 29 | 43.3 | 330 | 1 | 1 | 7 | 4.9 | 57.4 |
| 1969 | LAR | 12 | 260 | 131 | 50.4 | 1847 | 13 | 13 | 11 | 7.1 | 69.5 |
| 1970 | HOU | 10 | 281 | 144 | 51.2 | 1652 | 7 | 12 | 15 | 5.9 | 59.8 |
| 1971 | HOU | 14 | 94 | 46 | 48.9 | 592 | 3 | 7 | 8 | 6.3 | 48.7 |
| 1972 | DEN | 12 | 238 | 132 | 55.5 | 1783 | 14 | 14 | 12 | 7.5 | 74.6 |
| 1973 | DEN | 14 | 346 | 184 | 53.2 | 2465 | 20 | 17 | 26 | 7.1 | 74.9 |
| 1974 | DEN | 14 | 244 | 136 | 55.7 | 1969 | 13 | 9 | 36 | 8.1 | 84.5 |
| 1975 | DEN | 14 | 142 | 65 | 45.8 | 1021 | 5 | 12 | 10 | 7.2 | 46.7 |