2019 Pac-12 Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Utah | 2 | 0 | 0 | 0 |
| 2 | Arizona | 2 | 1 | 0 | 0.00 |
| 2 | California | 2 | 3 | 0 | 0.00 |
| 4 | Colorado | 3 | 6 | 1 | 16.67 |
| 5 | Arizona State | 2 | 3 | 1 | 33.33 |
| 5 | Oregon | 3 | 3 | 1 | 33.33 |
| 5 | Washington | 3 | 3 | 1 | 33.33 |
| 8 | USC | 4 | 8 | 4 | 50.00 |
| 9 | UCLA | 3 | 6 | 5 | 83.33 |
| 10 | Oregon State | 2 | 1 | 1 | 100.00 |
| 10 | Washington State | 3 | 1 | 1 | 100.00 |
| 10 | Stanford | 3 | 2 | 2 | 100.00 |