Quarterbacks had 68 fumbles in the AFL in 1963.
| NAME | POSITION | FUM | SEASON | LOST | GP | CMP | ATT | PCT | YDS | AVG | YDS/G | TD | INT | RTG | TD% | INT% | SCK | SCKY | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | G. Blanda | Quarterback | 8 | 1963 | 14 | 224 | 423 | 53.0 | 3,003 | 7.1 | 214.5 | 24 | 25 | 70.1 | 5.7 | 5.9 | |||
| 2 | | D. Breaux | Quarterback | 7 | 1963 | 9 | 70 | 138 | 50.7 | 935 | 6.8 | 103.9 | 7 | 6 | 71.4 | 5.1 | 4.3 | |||
| 3 | | E. Chlebek | Quarterback | 1 | 1963 | 2 | 2 | 4 | 50.0 | 5 | 1.3 | 2.5 | 0 | 0 | 56.3 | 0.0 | 0.0 | |||
| 4 | | C. Davidson | Quarterback | 3 | 1963 | 14 | 77 | 194 | 39.7 | 1,276 | 6.6 | 91.1 | 11 | 10 | 60.0 | 5.7 | 5.2 | |||
| 5 | | L. Dawson | Quarterback | 4 | 1963 | 14 | 190 | 352 | 54.0 | 2,389 | 6.8 | 170.6 | 26 | 19 | 77.5 | 7.4 | 5.4 | |||
| 6 | | T. Flores | Quarterback | 2 | 1963 | 14 | 113 | 247 | 45.7 | 2,101 | 8.5 | 150.1 | 20 | 13 | 80.7 | 8.1 | 5.3 | |||
| 7 | | J. Green | Quarterback | 0 | 1963 | 1 | 2 | 6 | 33.3 | 10 | 1.7 | 10.0 | 0 | 1 | 2.8 | 0.0 | 16.7 | |||
| 8 | | J. Hadl | Quarterback | 0 | 1963 | 14 | 28 | 64 | 43.8 | 502 | 7.8 | 35.9 | 6 | 6 | 63.4 | 9.4 | 9.4 | |||
| 9 | | G. Hall | Quarterback | 4 | 1963 | 13 | 45 | 118 | 38.1 | 611 | 5.2 | 47.0 | 3 | 9 | 32.1 | 2.5 | 7.6 | |||
| 10 | | J. Kemp | Quarterback | 10 | 1963 | 14 | 193 | 384 | 50.3 | 2,910 | 7.6 | 207.9 | 13 | 20 | 65.1 | 3.4 | 5.2 | |||
| 11 | | J. Lee | Quarterback | 2 | 1963 | 14 | 37 | 75 | 49.3 | 475 | 6.3 | 33.9 | 2 | 8 | 38.9 | 2.7 | 10.7 | |||
| 12 | | J. McCormick | Quarterback | 2 | 1963 | 9 | 28 | 72 | 38.9 | 417 | 5.8 | 46.3 | 4 | 3 | 59.8 | 5.6 | 4.2 | |||
| 13 | | B. Parilli | Quarterback | 7 | 1963 | 14 | 153 | 337 | 45.4 | 2,345 | 7.0 | 167.5 | 13 | 24 | 52.1 | 3.9 | 7.1 | |||
| 14 | | T. Rote | Quarterback | 2 | 1963 | 14 | 170 | 286 | 59.4 | 2,510 | 8.8 | 179.3 | 20 | 17 | 86.7 | 7.0 | 5.9 | |||
| 15 | | M. Slaughter | Quarterback | 7 | 1963 | 13 | 112 | 223 | 50.2 | 1,689 | 7.6 | 129.9 | 12 | 14 | 67.3 | 5.4 | 6.3 | |||
| 16 | | F. Tripucka | Quarterback | 0 | 1963 | 2 | 7 | 15 | 46.7 | 31 | 2.1 | 15.5 | 0 | 5 | 13.9 | 0.0 | 33.3 | |||
| 17 | | E. Wilson | Quarterback | 0 | 1963 | 14 | 39 | 82 | 47.6 | 537 | 6.5 | 38.4 | 3 | 2 | 71.0 | 3.7 | 2.4 | |||
| 18 | | D. Wood | Quarterback | 6 | 1963 | 12 | 160 | 352 | 45.5 | 2,204 | 6.3 | 183.7 | 18 | 19 | 60.6 | 5.1 | 5.4 | |||
| 19 | | T. Yewcic | Quarterback | 3 | 1963 | 14 | 29 | 70 | 41.4 | 444 | 6.3 | 31.7 | 4 | 5 | 52.3 | 5.7 | 7.1 | |||
| Average | 3.6 | 11.3 | 88.4 | 181.2 | 48.8 | 1283.9 | 7.1 | 113.5 | 9.8 | 10.8 | 65.3 | 5.4 | 6.0 | |||||||
| Total | 68 | 215 | 1,679 | 3,442 | 48.8 | 24,394 | 7.1 | 113.5 | 186 | 206 | 65.3 | 5.4 | 6.0 |
StatMuse has season-level data for fumbles going back to the 1945 season.
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| 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 |