7 teams are tied for the worst passer rating in a season, with a 0.0 rating. The first three are the San Francisco 49ers in 1978 and in 1952, the Detroit Lions in 1964 and in 1956 and the Washington Redskins in 1954.
| TEAM | RTG | SEASON | GP | CMP | ATT | PCT | YDS | AVG | YDS/G | TD | INT | TD% | INT% | SCK | SCKY | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | 49ers | 0.0 | 1978 | 107 | 0 | 2 | 0.0 | 0 | 0.0 | 0.0 | 0 | 2 | 0.0 | 100.0 | 0 | 0 |
| 2 |  | Lions | 0.0 | 1964 | 99 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 1 | 0.0 | 100.0 | ||
| 3 | | Lions | 0.0 | 1956 | 59 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 1 | 0.0 | 100.0 | ||
| 4 |  | Redskins | 0.0 | 1954 | 66 | 2 | 8 | 25.0 | 18 | 2.3 | 0.3 | 0 | 1 | 0.0 | 12.5 | ||
| 5 |  | Browns | 0.0 | 1954 | 59 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 1 | 0.0 | 100.0 | ||
| 6 | | 49ers | 0.0 | 1952 | 46 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 1 | 0.0 | 100.0 | ||
| 7 |  | Bears | 0.0 | 1950 | 57 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 1 | 0.0 | 100.0 | ||
| 8 |  | Eagles | 0.0 | 1948 | 22 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 1 | 0.0 | 100.0 | ||
| 9 |  | Rams | 0.0 | 1947 | 3 | 1 | 7 | 14.3 | 17 | 2.4 | 5.7 | 0 | 2 | 0.0 | 28.6 | ||
| 10 |  | Packers | 2.8 | 1947 | 43 | 1 | 3 | 33.3 | 8 | 2.7 | 0.2 | 0 | 1 | 0.0 | 33.3 | ||
| 11 |  | Giants | 9.8 | 1952 | 60 | 11 | 47 | 23.4 | 172 | 3.7 | 2.9 | 1 | 7 | 2.1 | 14.9 | ||
| 12 |  | Steelers | 16.1 | 1977 | 93 | 3 | 8 | 37.5 | 43 | 5.4 | 0.5 | 0 | 2 | 0.0 | 25.0 | 0 | 0 |
| 13 | | 49ers | 22.5 | 1950 | 49 | 9 | 20 | 45.0 | 108 | 5.4 | 2.2 | 0 | 2 | 0.0 | 10.0 | ||
| 14 | | Packers | 25.0 | 1948 | 35 | 16 | 49 | 32.7 | 335 | 6.8 | 9.6 | 1 | 7 | 2.0 | 14.3 | ||
| 15 | | 49ers | 25.7 | 1954 | 74 | 7 | 15 | 46.7 | 40 | 2.7 | 0.5 | 0 | 1 | 0.0 | 6.7 | ||
| 16 | | Redskins | 26.5 | 1951 | 56 | 31 | 71 | 43.7 | 391 | 5.5 | 7.0 | 1 | 8 | 1.4 | 11.3 | ||
| 17 | | Steelers | 26.6 | 1950 | 50 | 31 | 75 | 41.3 | 442 | 5.9 | 8.8 | 1 | 7 | 1.3 | 9.3 | ||
| 18 | | Bears | 31.5 | 1946 | 12 | 8 | 21 | 38.1 | 108 | 5.1 | 9.0 | 1 | 2 | 4.8 | 9.5 | ||
| 19 |  | Yanks | 38.8 | 1951 | 65 | 13 | 33 | 39.4 | 251 | 7.6 | 3.9 | 1 | 3 | 3.0 | 9.1 | ||
| 20 | | Steelers | 39.6 | 2024 | 169 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 |
| 21 |  | Chargers | 39.6 | 2014 | 129 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 |
| 22 |  | Jets | 39.6 | 2013 | 164 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 |
| 23 |  | Cowboys | 39.6 | 1999 | 132 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 |
| 24 |  | Falcons | 39.6 | 1993 | 155 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 |
| 25 | | Rams | 39.6 | 1980 | 126 | 0 | 1 | 0.0 | 0 | 0.0 | 0.0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 |
StatMuse has season-level data for passer rating going back to the 1932 season.
More 49ers Stats
Team Leaders 
PASS
402
Purdy
RUSH
83
McCaffrey
REC
112
Robinson
Team Rankings
PPG
25.7
10th
OPP PPG
21.8
13th
RUSH YDS/G
106.9
24th
PASS YDS/G
254.0
6th
NFL 2025 Leaders
NFL 2025 Rankings
NFL Fantasy 2025
NFL 2025 Betting
NFL 2025 Standings
| AFC East | W | L | T | PCT |
|---|---|---|---|---|
 Patriots - y | 14 | 3 | 0 | .824 |
 Bills - w | 12 | 5 | 0 | .706 |
 Dolphins - e | 7 | 10 | 0 | .412 |
 Jets - e | 3 | 14 | 0 | .176 |
| AFC North | W | L | T | PCT |
 Steelers - y | 10 | 7 | 0 | .588 |
 Ravens - e | 8 | 9 | 0 | .471 |
 Bengals - e | 6 | 11 | 0 | .353 |
 Browns - e | 5 | 12 | 0 | .294 |
| AFC South | W | L | T | PCT |
 Jaguars - y | 13 | 4 | 0 | .765 |
 Texans - w | 12 | 5 | 0 | .706 |
 Colts - e | 8 | 9 | 0 | .471 |
 Titans - e | 3 | 14 | 0 | .176 |
| AFC West | W | L | T | PCT |
 Broncos - z* | 14 | 3 | 0 | .824 |
 Chargers - w | 11 | 6 | 0 | .647 |
 Chiefs - e | 6 | 11 | 0 | .353 |
 Raiders - e | 3 | 14 | 0 | .176 |
| NFC East | W | L | T | PCT |
|---|---|---|---|---|
 Eagles - y | 11 | 6 | 0 | .647 |
 Cowboys - e | 7 | 9 | 1 | .441 |
 Commanders - e | 5 | 12 | 0 | .294 |
 Giants - e | 4 | 13 | 0 | .235 |
| NFC North | W | L | T | PCT |
 Bears - y | 11 | 6 | 0 | .647 |
 Packers - w | 9 | 7 | 1 | .559 |
 Vikings - e | 9 | 8 | 0 | .529 |
 Lions - e | 9 | 8 | 0 | .529 |
| NFC South | W | L | T | PCT |
 Panthers - y | 8 | 9 | 0 | .471 |
 Buccaneers - e | 8 | 9 | 0 | .471 |
 Falcons - e | 8 | 9 | 0 | .471 |
 Saints - e | 6 | 11 | 0 | .353 |
| NFC West | W | L | T | PCT |
 Seahawks - z* | 14 | 3 | 0 | .824 |
 Rams - w | 12 | 5 | 0 | .706 |
 49ers - w | 12 | 5 | 0 | .706 |
 Cardinals - e | 3 | 14 | 0 | .176 |
