2017 Pac-12 Conference Leaders Fumbles Lost - Games in December/January Only through 01/08/2018
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Arizona State | 1 | 1 | 1 | 100.00 |
| 1 | Arizona | 1 | 1 | 1 | 100.00 |
| 1 | UCLA | 1 | 1 | 1 | 100.00 |
| 1 | Washington | 1 | 1 | 1 | 100.00 |
| 5 | Washington State | 1 | 2 | 1 | 50.00 |
| 5 | Oregon | 1 | 2 | 2 | 100.00 |
| 5 | Utah | 1 | 2 | 2 | 100.00 |
| 8 | USC | 2 | 4 | 4 | 100.00 |
| 9 | Stanford | 2 | 5 | 0 | 0.00 |