Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1957 | PIT | 4 | 18 | 8 | 44.4 | 88 | 0 | 2 | 0 | 4.9 | 19.9 |
| 1960 | LAC | 14 | 406 | 211 | 52.0 | 3018 | 20 | 25 | 36 | 7.4 | 67.1 |
| 1961 | LAC | 14 | 364 | 165 | 45.3 | 2686 | 15 | 22 | 25 | 7.4 | 59.2 |
| 1962 | LAC | 6 | 139 | 64 | 46.0 | 928 | 5 | 6 | 8 | 6.7 | 62.3 |
| 1963 | BUF | 14 | 384 | 193 | 50.3 | 2910 | 13 | 20 | 31 | 7.6 | 65.1 |
| 1964 | BUF | 14 | 269 | 119 | 44.2 | 2285 | 13 | 26 | 17 | 8.5 | 50.9 |
| 1965 | BUF | 14 | 391 | 179 | 45.8 | 2368 | 10 | 18 | 26 | 6.1 | 54.8 |
| 1966 | BUF | 14 | 389 | 166 | 42.7 | 2451 | 11 | 16 | 12 | 6.3 | 56.2 |
| 1967 | BUF | 14 | 369 | 161 | 43.6 | 2503 | 14 | 26 | 38 | 6.8 | 50.0 |
| 1969 | BUF | 14 | 344 | 170 | 49.4 | 1981 | 13 | 22 | 21 | 5.8 | 53.2 |