2012 Pac-12 Conference Leaders Fumbles Lost - Games vs. Non-Conference Teams Only through 01/07/2013
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Stanford | 4 | 2 | 0 | 0.00 |
| 2 | Washington State | 3 | 2 | 1 | 50.00 |
| 2 | Utah | 3 | 4 | 1 | 25.00 |
| 2 | USC | 4 | 4 | 1 | 25.00 |
| 2 | Oregon State | 4 | 7 | 1 | 14.29 |
| 6 | Washington | 4 | 5 | 2 | 40.00 |
| 6 | Colorado | 3 | 7 | 2 | 28.57 |
| 8 | California | 3 | 8 | 3 | 37.50 |
| 9 | Arizona | 4 | 9 | 4 | 44.44 |
| 9 | Oregon | 4 | 9 | 4 | 44.44 |
| 11 | UCLA | 4 | 8 | 5 | 62.50 |
| 12 | Arizona State | 4 | 6 | 6 | 100.00 |