2018 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS Teams With Non-Winning Record Only through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Stanford | 4 | 2 | 0 | 0.00 |
| 1 | Oregon State | 3 | 4 | 0 | 0.00 |
| 3 | Washington | 3 | 3 | 1 | 33.33 |
| 3 | UCLA | 3 | 4 | 1 | 25.00 |
| 3 | Arizona State | 6 | 6 | 1 | 16.67 |
| 6 | Utah | 4 | 6 | 2 | 33.33 |
| 6 | Washington State | 6 | 6 | 2 | 33.33 |
| 6 | Colorado | 6 | 7 | 2 | 28.57 |
| 9 | Arizona | 4 | 5 | 3 | 60.00 |
| 9 | Oregon | 5 | 8 | 3 | 37.50 |
| 11 | USC | 5 | 8 | 5 | 62.50 |
| 12 | California | 6 | 10 | 6 | 60.00 |