2018 Pac-12 Conference Leaders Fumbles Lost - All Games through 01/07/2019
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Stanford | 13 | 11 | 4 | 36.36 |
| 1 | Washington State | 13 | 11 | 5 | 45.45 |
| 1 | Washington | 14 | 11 | 5 | 45.45 |
| 4 | UCLA | 12 | 15 | 7 | 46.67 |
| 5 | Arizona State | 13 | 17 | 4 | 23.53 |
| 6 | Arizona | 12 | 21 | 9 | 42.86 |
| 6 | Oregon | 13 | 21 | 10 | 47.62 |
| 6 | California | 13 | 21 | 11 | 52.38 |
| 9 | Utah | 14 | 22 | 14 | 63.64 |
| 10 | Colorado | 12 | 23 | 7 | 30.43 |
| 10 | Oregon State | 12 | 23 | 9 | 39.13 |
| 12 | USC | 12 | 24 | 10 | 41.67 |