Regular season
| Year | Team | Games | Att | Cmp | Cmp% | Pass Yds | Pass TD | INT | Sacks | Y/A | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1950 | CHI | 12 | 1 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0.0 | 39.6 |
| 1952 | CHI | 12 | 131 | 47 | 35.9 | 664 | 8 | 11 | 0 | 5.1 | 38.5 |
| 1953 | CHI | 12 | 362 | 169 | 46.7 | 2164 | 14 | 23 | 0 | 6.0 | 52.3 |
| 1954 | CHI | 8 | 281 | 131 | 46.6 | 1929 | 15 | 17 | 0 | 6.9 | 62.1 |
| 1955 | CHI | 12 | 97 | 42 | 43.3 | 459 | 4 | 7 | 0 | 4.7 | 41.6 |
| 1956 | CHI | 12 | 69 | 37 | 53.6 | 439 | 7 | 4 | 0 | 6.4 | 82.9 |
| 1957 | CHI | 12 | 19 | 8 | 42.1 | 65 | 0 | 3 | 0 | 3.4 | 11.8 |
| 1958 | CHI | 12 | 7 | 2 | 28.6 | 19 | 0 | 0 | 0 | 2.7 | 39.6 |
| 1960 | HOU | 14 | 363 | 169 | 46.6 | 2413 | 24 | 22 | 9 | 6.6 | 65.4 |
| 1961 | HOU | 14 | 362 | 187 | 51.7 | 3330 | 36 | 22 | 7 | 9.2 | 91.3 |
| 1962 | HOU | 14 | 418 | 197 | 47.1 | 2810 | 27 | 42 | 5 | 6.7 | 51.3 |
| 1963 | HOU | 14 | 423 | 224 | 53.0 | 3003 | 24 | 25 | 18 | 7.1 | 70.1 |
| 1964 | HOU | 14 | 505 | 262 | 51.9 | 3287 | 17 | 27 | 13 | 6.5 | 61.4 |
| 1965 | HOU | 14 | 442 | 186 | 42.1 | 2542 | 20 | 30 | 11 | 5.8 | 47.9 |
| 1966 | HOU | 14 | 271 | 122 | 45.0 | 1764 | 17 | 21 | 8 | 6.5 | 55.3 |
| 1967 | LV | 14 | 38 | 15 | 39.5 | 285 | 3 | 3 | 3 | 7.5 | 59.6 |
| 1968 | LV | 14 | 49 | 30 | 61.2 | 522 | 6 | 2 | 2 | 10.7 | 120.1 |
| 1969 | LV | 14 | 13 | 6 | 46.2 | 73 | 2 | 1 | 1 | 5.6 | 71.5 |
| 1970 | LV | 14 | 55 | 29 | 52.7 | 461 | 6 | 5 | 4 | 8.4 | 79.4 |
| 1971 | LV | 14 | 58 | 32 | 55.2 | 378 | 4 | 6 | 2 | 6.5 | 58.6 |
| 1972 | LV | 14 | 15 | 5 | 33.3 | 77 | 1 | 0 | 2 | 5.1 | 73.5 |
| 1974 | LV | 14 | 4 | 1 | 25.0 | 28 | 1 | 0 | 0 | 7.0 | 95.8 |
| 1975 | LV | 14 | 3 | 1 | 33.3 | 11 | 0 | 1 | 3 | 3.7 | 5.6 |