2020 Pac-12 Conference Leaders Fumbles Lost - Games vs. Unranked Teams Only (AP Poll) through 01/11/2021
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Washington | 4 | 1 | 0 | 0.00 |
| 2 | California | 3 | 4 | 2 | 50.00 |
| 2 | Washington State | 2 | 4 | 3 | 75.00 |
| 4 | Arizona State | 3 | 5 | 1 | 20.00 |
| 4 | Stanford | 5 | 5 | 2 | 40.00 |
| 6 | Colorado | 5 | 6 | 3 | 50.00 |
| 6 | UCLA | 5 | 6 | 4 | 66.67 |
| 8 | Arizona | 4 | 7 | 5 | 71.43 |
| 9 | Oregon State | 6 | 8 | 3 | 37.50 |
| 9 | USC | 5 | 8 | 4 | 50.00 |
| 9 | Utah | 4 | 8 | 4 | 50.00 |
| 9 | Oregon | 5 | 8 | 7 | 87.50 |