Cotton Davidson has the worst completion percentage with 300+ passing attempts in a season, at 37.1 percent in 1962.
Interpreted as:
lowest completion percentage in a season by a player with 300+ passing attempts| NAME | PCT | ATT | SEASON | TM | GP | CMP | YDS | AVG | YDS/G | TD | INT | RTG | TD% | INT% | SCK | SCKY | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | C. Davidson | 37.1 | 321 | 1962 | TOT | 14 | 119 | 1,977 | 6.2 | 141.2 | 7 | 23 | 36.1 | 2.2 | 7.2 | ||
| 2 | | S. Tensi | 40.3 | 325 | 1967 |  DEN | 14 | 131 | 1,915 | 5.9 | 136.8 | 16 | 17 | 54.8 | 4.9 | 5.2 | ||
| 3 | | B. Parilli | 40.6 | 426 | 1965 |  BOS | 14 | 173 | 2,597 | 6.1 | 185.5 | 18 | 26 | 50.0 | 4.2 | 6.1 | ||
| 4 | | R. Hilger | 41.2 | 306 | 1988 |  DET | 11 | 126 | 1,558 | 5.1 | 141.6 | 7 | 12 | 48.9 | 2.3 | 3.9 | 31 | 251 |
| 5 | | D. Williams | 41.8 | 397 | 1979 |  TB | 16 | 166 | 2,448 | 6.2 | 153.0 | 18 | 24 | 52.5 | 4.5 | 6.0 | 7 | 57 |
| 6 | | G. Blanda | 42.1 | 442 | 1965 |  HOU | 14 | 186 | 2,542 | 5.8 | 181.6 | 20 | 30 | 47.9 | 4.5 | 6.8 | ||
| 7 | | J. Kemp | 42.7 | 389 | 1966 |  BUF | 14 | 166 | 2,451 | 6.3 | 175.1 | 11 | 16 | 56.2 | 2.8 | 4.1 | ||
| 8 | | J. Kemp | 43.6 | 369 | 1967 | BUF | 14 | 161 | 2,503 | 6.8 | 178.8 | 14 | 26 | 50.0 | 3.8 | 7.0 | ||
| 9 | | J. Hart | 44.3 | 316 | 1968 |  STL | 13 | 140 | 2,059 | 6.5 | 158.4 | 15 | 18 | 58.2 | 4.7 | 5.7 | ||
| 10 | | V. Evans | 44.7 | 436 | 1981 |  CHI | 16 | 195 | 2,354 | 5.4 | 147.1 | 11 | 20 | 51.1 | 2.5 | 4.6 | 23 | 173 |
| 11 | | A. Dorow | 45.0 | 438 | 1961 |  NYT | 14 | 197 | 2,651 | 6.1 | 189.4 | 19 | 30 | 50.7 | 4.3 | 6.8 | ||
| 12 | | B. Layne | 45.2 | 336 | 1950 | DET | 12 | 152 | 2,323 | 6.9 | 193.6 | 16 | 18 | 62.1 | 4.8 | 5.4 | ||
| 13 | | J. Kemp | 45.3 | 364 | 1961 |  SD | 14 | 165 | 2,686 | 7.4 | 191.9 | 15 | 22 | 59.2 | 4.1 | 6.0 | ||
| 14 | | S. DeBerg | 45.4 | 302 | 1978 |  SF | 12 | 137 | 1,570 | 5.2 | 130.8 | 8 | 22 | 40.0 | 2.6 | 7.3 | 17 | 156 |
| 15 | | B. Parilli | 45.4 | 337 | 1963 | BOS | 14 | 153 | 2,345 | 7.0 | 167.5 | 13 | 24 | 52.1 | 3.9 | 7.1 | ||
| 16 | | D. Wood | 45.5 | 352 | 1963 | NYJ | 12 | 160 | 2,204 | 6.3 | 183.7 | 18 | 19 | 60.6 | 5.1 | 5.4 | ||
| 17 | | C. Davidson | 45.8 | 330 | 1961 |  DLT | 14 | 151 | 2,445 | 7.4 | 174.6 | 17 | 23 | 59.2 | 5.2 | 7.0 | ||
| 18 | | J. Kemp | 45.8 | 391 | 1965 | BUF | 14 | 179 | 2,368 | 6.1 | 169.1 | 10 | 18 | 54.8 | 2.6 | 4.6 | ||
| 19 | | B. Layne | 45.8 | 332 | 1951 | DET | 12 | 152 | 2,403 | 7.2 | 200.3 | 26 | 23 | 67.6 | 7.8 | 6.9 | ||
| 20 | | J. Hart | 45.8 | 373 | 1970 | STL | 14 | 171 | 2,575 | 6.9 | 183.9 | 14 | 18 | 61.5 | 3.8 | 4.8 | 26 | 216 |
| 21 | | P. Christman | 45.8 | 301 | 1947 |  CHC | 12 | 138 | 2,191 | 7.3 | 182.6 | 17 | 22 | 59.0 | 5.6 | 7.3 | ||
| 22 | | N. Snead | 45.9 | 375 | 1961 |  WAS | 14 | 172 | 2,337 | 6.2 | 166.9 | 11 | 22 | 51.6 | 2.9 | 5.9 | ||
| 23 | | T. Rote | 45.9 | 342 | 1955 |  GB | 12 | 157 | 1,977 | 5.8 | 164.8 | 17 | 19 | 57.8 | 5.0 | 5.6 | ||
| 24 | | D. Meredith | 46.2 | 305 | 1965 |  DAL | 14 | 141 | 2,415 | 7.9 | 172.5 | 22 | 13 | 79.9 | 7.2 | 4.3 | ||
| 25 | | E. Brown | 46.4 | 362 | 1963 |  PIT | 14 | 168 | 2,982 | 8.2 | 213.0 | 21 | 20 | 71.4 | 5.8 | 5.5 | ||
StatMuse has season-level data for completion percentage and passing attempts going back to the 1932 season.
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| NFC East | W | L | T | PCT |
|---|---|---|---|---|
 Eagles | 14 | 3 | 0 | .824 |
 Commanders | 12 | 5 | 0 | .706 |
| NFC North | W | L | T | PCT |
| Lions | 15 | 2 | 0 | .882 |
 Vikings | 14 | 3 | 0 | .824 |
| NFC South | W | L | T | PCT |
| Buccaneers | 10 | 7 | 0 | .588 |
 Falcons | 8 | 9 | 0 | .471 |
| NFC West | W | L | T | PCT |
 Rams | 10 | 7 | 0 | .588 |
 Seahawks | 10 | 7 | 0 | .588 |
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