2021 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS Teams With Winning Record Only through 01/10/2022
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | California | 5 | 2 | 0 | 0.00 |
| 2 | USC | 7 | 5 | 3 | 60.00 |
| 2 | Colorado | 7 | 6 | 3 | 50.00 |
| 2 | Washington | 6 | 6 | 3 | 50.00 |
| 2 | Washington State | 7 | 7 | 3 | 42.86 |
| 2 | Arizona | 7 | 8 | 3 | 37.50 |
| 2 | Oregon State | 6 | 9 | 3 | 33.33 |
| 8 | UCLA | 4 | 7 | 4 | 57.14 |
| 8 | Oregon | 8 | 8 | 4 | 50.00 |
| 10 | Utah | 9 | 14 | 5 | 35.71 |
| 11 | Stanford | 8 | 10 | 6 | 60.00 |
| 12 | Arizona State | 6 | 9 | 7 | 77.78 |