2012 Pac-12 Conference Leaders Fumbles Lost - Games Lost Only through 01/07/2013
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Oregon | 1 | 1 | 0 | 0.00 |
| 2 | Stanford | 2 | 2 | 1 | 50.00 |
| 3 | Arizona State | 5 | 4 | 3 | 75.00 |
| 3 | UCLA | 5 | 6 | 3 | 50.00 |
| 5 | Oregon State | 4 | 8 | 4 | 50.00 |
| 6 | Arizona | 5 | 9 | 5 | 55.56 |
| 7 | USC | 6 | 11 | 6 | 54.55 |
| 7 | Washington State | 9 | 12 | 6 | 50.00 |
| 9 | Washington | 6 | 10 | 8 | 80.00 |
| 9 | Utah | 7 | 18 | 8 | 44.44 |
| 11 | California | 9 | 23 | 14 | 60.87 |
| 11 | Colorado | 11 | 26 | 14 | 53.85 |