2018 Pac-12 Conference Leaders Fumbles Lost - Games in December/January Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Arizona State | 1 | 0 | 0 | 0 |
| 1 | Washington | 1 | 0 | 0 | 0 |
| 3 | Oregon | 1 | 1 | 0 | 0.00 |
| 3 | California | 2 | 1 | 1 | 100.00 |
| 3 | Washington State | 1 | 1 | 1 | 100.00 |
| 6 | Stanford | 2 | 4 | 1 | 25.00 |
| 6 | Utah | 1 | 4 | 4 | 100.00 |