2019 Pac-12 Conference Leaders Fumbles Lost - Games vs. FBS Power 5 Conference Teams Only through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | California | 11 | 7 | 1 | 14.29 |
| 2 | Oregon State | 10 | 6 | 2 | 33.33 |
| 3 | Stanford | 10 | 5 | 3 | 60.00 |
| 3 | Colorado | 10 | 8 | 3 | 37.50 |
| 5 | Oregon | 12 | 11 | 4 | 36.36 |
| 6 | Washington | 9 | 10 | 5 | 50.00 |
| 7 | Arizona | 10 | 9 | 6 | 66.67 |
| 7 | UCLA | 10 | 11 | 6 | 54.55 |
| 9 | Utah | 11 | 11 | 8 | 72.73 |
| 9 | Washington State | 9 | 11 | 8 | 72.73 |
| 9 | Arizona State | 11 | 16 | 8 | 50.00 |
| 12 | USC | 10 | 16 | 9 | 56.25 |