2018 Pac-12 Conference Leaders Fumbles Lost - Games in October Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Colorado | 4 | 4 | 0 | 0.00 |
| 2 | Oregon State | 3 | 4 | 1 | 25.00 |
| 2 | Washington State | 3 | 4 | 1 | 25.00 |
| 4 | Arizona | 4 | 7 | 2 | 28.57 |
| 5 | Washington | 4 | 3 | 1 | 33.33 |
| 5 | UCLA | 4 | 6 | 2 | 33.33 |
| 7 | Arizona State | 3 | 4 | 2 | 50.00 |
| 7 | USC | 3 | 4 | 2 | 50.00 |
| 7 | Utah | 4 | 4 | 2 | 50.00 |
| 7 | Oregon | 3 | 6 | 3 | 50.00 |
| 11 | California | 4 | 9 | 5 | 55.56 |
| 12 | Stanford | 3 | 4 | 3 | 75.00 |