2021 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS Power 5 Conference Teams Only through 01/10/2022
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | California | 10 | 6 | 2 | 33.33 |
| 2 | Washington State | 9 | 6 | 3 | 50.00 |
| 3 | Colorado | 11 | 8 | 4 | 50.00 |
| 3 | Arizona | 9 | 9 | 4 | 44.44 |
| 3 | UCLA | 10 | 9 | 4 | 44.44 |
| 3 | Oregon State | 10 | 11 | 4 | 36.36 |
| 7 | USC | 9 | 6 | 5 | 83.33 |
| 7 | Stanford | 11 | 8 | 5 | 62.50 |
| 7 | Oregon | 12 | 12 | 5 | 41.67 |
| 7 | Utah | 11 | 16 | 5 | 31.25 |
| 11 | Washington | 10 | 12 | 6 | 50.00 |
| 12 | Arizona State | 10 | 10 | 8 | 80.00 |