Regular season and playoffs
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1961 | WAS | 14 | 375 | 172 | 45.9 | 2337 | 11 | 22 | 49 | 6.2 | 51.6 |
| 1962 | WAS | 14 | 354 | 184 | 52.0 | 2926 | 22 | 22 | 31 | 8.3 | 74.7 |
| 1963 | WAS | 14 | 363 | 175 | 48.2 | 3043 | 13 | 27 | 37 | 8.4 | 58.1 |
| 1964 | PHI | 12 | 283 | 138 | 48.8 | 1906 | 14 | 12 | 20 | 6.7 | 69.6 |
| 1965 | PHI | 11 | 288 | 150 | 52.1 | 2346 | 15 | 13 | 26 | 8.1 | 78.0 |
| 1966 | PHI | 10 | 226 | 103 | 45.6 | 1275 | 8 | 11 | 25 | 5.6 | 55.1 |
| 1967 | PHI | 14 | 434 | 240 | 55.3 | 3399 | 29 | 24 | 48 | 7.8 | 80.0 |
| 1968 | PHI | 11 | 291 | 152 | 52.2 | 1655 | 11 | 21 | 20 | 5.7 | 51.8 |
| 1969 | PHI | 13 | 379 | 190 | 50.1 | 2768 | 19 | 23 | 21 | 7.3 | 65.7 |
| 1970 | PHI | 14 | 335 | 181 | 54.0 | 2323 | 15 | 20 | 21 | 6.9 | 66.1 |
| 1971 | MIN | 7 | 75 | 37 | 49.3 | 470 | 1 | 6 | 7 | 6.3 | 40.4 |
| 1972 | NYG | 14 | 325 | 196 | 60.3 | 2307 | 17 | 12 | 8 | 7.1 | 84.0 |
| 1973 | NYG | 10 | 235 | 131 | 55.7 | 1483 | 7 | 22 | 9 | 6.3 | 45.8 |
| 1974 | SF | 8 | 159 | 97 | 61.0 | 983 | 5 | 8 | 7 | 6.2 | 68.2 |
| 1975 | SF | 9 | 189 | 108 | 57.1 | 1337 | 9 | 10 | 16 | 7.1 | 73.0 |
| 1976 | NYG | 3 | 42 | 22 | 52.4 | 239 | 0 | 4 | 5 | 5.7 | 29.9 |