2019 Pac-12 Conference Leaders Fumbles Lost - Games in December/January Only through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | California | 1 | 0 | 0 | 0 |
| 1 | Utah | 2 | 0 | 0 | 0 |
| 1 | Washington | 1 | 0 | 0 | 0 |
| 1 | Oregon | 2 | 2 | 0 | 0.00 |
| 5 | Washington State | 1 | 1 | 1 | 100.00 |
| 6 | Arizona State | 1 | 3 | 2 | 66.67 |
| 6 | USC | 1 | 3 | 2 | 66.67 |