Cotton Davidson has the worst passer rating with 300+ passing attempts in a season, with a 36.1 rating in 1962.
Interpreted as:
worst passer rating by a player in a season with at least 300 passing attempts| NAME | RTG | ATT | SEASON | TM | GP | CMP | PCT | YDS | AVG | YDS/G | TD | INT | TD% | INT% | SCK | SCKY | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | C. Davidson | 36.1 | 321 | 1962 | TOT | 14 | 119 | 37.1 | 1,977 | 6.2 | 141.2 | 7 | 23 | 2.2 | 7.2 | ||
| 2 | | S. DeBerg | 40.0 | 302 | 1978 |  SF | 12 | 137 | 45.4 | 1,570 | 5.2 | 130.8 | 8 | 22 | 2.6 | 7.3 | 17 | 156 |
| 3 | | A. Manning | 44.3 | 338 | 1975 |  NO | 13 | 159 | 47.0 | 1,683 | 5.0 | 129.5 | 7 | 20 | 2.1 | 5.9 | 49 | 390 |
| 4 | | C. Conerly | 44.9 | 303 | 1953 |  NYG | 12 | 143 | 47.2 | 1,711 | 5.6 | 142.6 | 13 | 25 | 4.3 | 8.3 | ||
| 5 | | J. Plunkett | 45.7 | 355 | 1972 |  NE | 14 | 169 | 47.6 | 2,196 | 6.2 | 156.9 | 8 | 25 | 2.3 | 7.0 | 39 | 385 |
| 6 | | M. Malone | 46.7 | 336 | 1987 |  PIT | 12 | 156 | 46.4 | 1,896 | 5.6 | 158.0 | 6 | 19 | 1.8 | 5.7 | 18 | 151 |
| 7 | | F. Tripucka | 47.3 | 344 | 1961 |  DEN | 14 | 167 | 48.5 | 1,690 | 4.9 | 120.7 | 10 | 21 | 2.9 | 6.1 | ||
| 8 | | M. Phipps | 47.5 | 313 | 1975 |  CLE | 14 | 162 | 51.8 | 1,749 | 5.6 | 124.9 | 4 | 19 | 1.3 | 6.1 | 28 | 261 |
| 9 | | J. Finks | 47.7 | 344 | 1955 | PIT | 12 | 165 | 48.0 | 2,270 | 6.6 | 189.2 | 10 | 26 | 2.9 | 7.6 | ||
| 10 | | G. Blanda | 47.9 | 442 | 1965 |  HOU | 14 | 186 | 42.1 | 2,542 | 5.8 | 181.6 | 20 | 30 | 4.5 | 6.8 | ||
| 11 | | C. Whelihan | 48.0 | 320 | 1998 |  SD | 10 | 149 | 46.6 | 1,803 | 5.6 | 180.3 | 8 | 19 | 2.5 | 5.9 | 15 | 111 |
| 12 | | V. Testaverde | 48.8 | 466 | 1988 |  TB | 15 | 222 | 47.6 | 3,240 | 7.0 | 216.0 | 13 | 35 | 2.8 | 7.5 | 33 | 292 |
| 13 | | R. Hilger | 48.9 | 306 | 1988 |  DET | 11 | 126 | 41.2 | 1,558 | 5.1 | 141.6 | 7 | 12 | 2.3 | 3.9 | 31 | 251 |
| 14 | | R. Bukich | 49.3 | 309 | 1966 |  CHI | 14 | 147 | 47.6 | 1,858 | 6.0 | 132.7 | 10 | 21 | 3.2 | 6.8 | ||
| 15 | | J. Zorn | 49.5 | 439 | 1976 |  SEA | 14 | 208 | 47.4 | 2,571 | 5.9 | 183.6 | 12 | 27 | 2.7 | 6.2 | 25 | 196 |
| 16 | | B. Parilli | 50.0 | 426 | 1965 | BOS | 14 | 173 | 40.6 | 2,597 | 6.1 | 185.5 | 18 | 26 | 4.2 | 6.1 | ||
| 17 | | J. Kemp | 50.0 | 369 | 1967 |  BUF | 14 | 161 | 43.6 | 2,503 | 6.8 | 178.8 | 14 | 26 | 3.8 | 7.0 | ||
| 18 | | A. Dorow | 50.7 | 438 | 1961 |  NYT | 14 | 197 | 45.0 | 2,651 | 6.1 | 189.4 | 19 | 30 | 4.3 | 6.8 | ||
| 19 | | J. Plummer | 50.8 | 381 | 1999 |  ARI | 12 | 201 | 52.8 | 2,111 | 5.5 | 175.9 | 9 | 24 | 2.4 | 6.3 | 27 | 152 |
| 20 | | J. Namath | 51.0 | 326 | 1975 | NYJ | 14 | 157 | 48.2 | 2,286 | 7.0 | 163.3 | 15 | 28 | 4.6 | 8.6 | 27 | 253 |
| 21 | | V. Evans | 51.1 | 436 | 1981 | CHI | 16 | 195 | 44.7 | 2,354 | 5.4 | 147.1 | 11 | 20 | 2.5 | 4.6 | 23 | 173 |
| 22 | | M. Plum | 51.2 | 308 | 1965 | DET | 14 | 143 | 46.4 | 1,710 | 5.6 | 122.1 | 12 | 19 | 3.9 | 6.2 | ||
| 23 | | G. Blanda | 51.3 | 418 | 1962 | HOU | 14 | 197 | 47.1 | 2,810 | 6.7 | 200.7 | 27 | 42 | 6.5 | 10.0 | ||
| 24 | | N. Snead | 51.6 | 375 | 1961 |  WAS | 14 | 172 | 45.9 | 2,337 | 6.2 | 166.9 | 11 | 22 | 2.9 | 5.9 | ||
| 25 | | B. Parilli | 52.1 | 337 | 1963 | BOS | 14 | 153 | 45.4 | 2,345 | 7.0 | 167.5 | 13 | 24 | 3.9 | 7.1 | ||
StatMuse has season-level data for passer rating and passing attempts going back to the 1932 season.
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