Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1956 | BAL | 12 | 198 | 110 | 55.6 | 1498 | 9 | 10 | 0 | 7.6 | 74.0 |
| 1957 | BAL | 12 | 301 | 172 | 57.1 | 2550 | 24 | 17 | 0 | 8.5 | 88.0 |
| 1958 | BAL | 10 | 263 | 136 | 51.7 | 2007 | 19 | 7 | 0 | 7.6 | 90.0 |
| 1959 | BAL | 12 | 367 | 193 | 52.6 | 2899 | 32 | 14 | 0 | 7.9 | 92.0 |
| 1960 | BAL | 12 | 378 | 190 | 50.3 | 3099 | 25 | 24 | 18 | 8.2 | 73.7 |
| 1961 | BAL | 14 | 420 | 229 | 54.5 | 2990 | 16 | 24 | 28 | 7.1 | 66.1 |
| 1962 | BAL | 14 | 389 | 222 | 57.1 | 2967 | 23 | 23 | 31 | 7.6 | 76.5 |
| 1963 | BAL | 14 | 410 | 237 | 57.8 | 3481 | 20 | 12 | 42 | 8.5 | 89.7 |
| 1964 | BAL | 14 | 305 | 158 | 51.8 | 2824 | 19 | 6 | 37 | 9.3 | 96.4 |
| 1965 | BAL | 11 | 282 | 164 | 58.2 | 2530 | 23 | 12 | 29 | 9.0 | 97.4 |
| 1966 | BAL | 14 | 348 | 195 | 56.0 | 2748 | 22 | 24 | 21 | 7.9 | 74.0 |
| 1967 | BAL | 14 | 436 | 255 | 58.5 | 3428 | 20 | 16 | 25 | 7.9 | 83.6 |
| 1968 | BAL | 5 | 32 | 11 | 34.4 | 139 | 2 | 4 | 2 | 4.3 | 30.1 |
| 1969 | BAL | 13 | 327 | 178 | 54.4 | 2342 | 12 | 20 | 12 | 7.2 | 64.0 |
| 1970 | BAL | 14 | 321 | 166 | 51.7 | 2213 | 14 | 18 | 19 | 6.9 | 65.1 |
| 1971 | BAL | 13 | 176 | 92 | 52.3 | 942 | 3 | 9 | 15 | 5.4 | 52.3 |
| 1972 | BAL | 8 | 157 | 88 | 56.1 | 1111 | 4 | 6 | 14 | 7.1 | 70.8 |
| 1973 | LAC | 5 | 76 | 34 | 44.7 | 471 | 3 | 7 | 14 | 6.2 | 40.0 |