2021 Pac-12 Conference Leaders Fumbles Lost - Games in August/September Only through 01/10/2022
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Stanford | 4 | 1 | 0 | 0.00 |
| 2 | Oregon | 4 | 2 | 1 | 50.00 |
| 2 | Arizona | 4 | 3 | 1 | 33.33 |
| 2 | California | 4 | 3 | 1 | 33.33 |
| 2 | Oregon State | 4 | 3 | 1 | 33.33 |
| 6 | UCLA | 4 | 2 | 2 | 100.00 |
| 6 | Colorado | 4 | 3 | 2 | 66.67 |
| 8 | Washington State | 4 | 3 | 3 | 100.00 |
| 8 | USC | 4 | 4 | 3 | 75.00 |
| 8 | Washington | 4 | 5 | 3 | 60.00 |
| 11 | Arizona State | 4 | 7 | 4 | 57.14 |
| 12 | Utah | 4 | 9 | 5 | 55.56 |