2019 Pac-12 Conference Leaders Fumbles Lost - Games vs. Non-Conference Teams Only through 01/13/2020
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oregon State | 3 | 1 | 0 | 0.00 |
| 2 | Colorado | 3 | 5 | 1 | 20.00 |
| 3 | Washington | 4 | 3 | 1 | 33.33 |
| 4 | USC | 4 | 9 | 4 | 44.44 |
| 5 | Arizona | 3 | 2 | 1 | 50.00 |
| 5 | Utah | 4 | 2 | 1 | 50.00 |
| 7 | UCLA | 3 | 7 | 4 | 57.14 |
| 8 | Oregon | 4 | 3 | 2 | 66.67 |
| 9 | California | 4 | 4 | 3 | 75.00 |
| 10 | Arizona State | 4 | 5 | 4 | 80.00 |
| 10 | Stanford | 3 | 5 | 4 | 80.00 |
| 12 | Washington State | 4 | 1 | 1 | 100.00 |