2012 Big Ten Conference Leaders Fumbles Lost - Games vs. Unranked Teams Only (AP Poll) through 01/07/2013
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Michigan | 7 | 7 | 2 | 28.57 |
| 1 | Wisconsin | 8 | 10 | 2 | 20.00 |
| 1 | Michigan State | 7 | 11 | 2 | 18.18 |
| 4 | Indiana | 10 | 7 | 3 | 42.86 |
| 4 | Iowa | 8 | 9 | 3 | 33.33 |
| 6 | Minnesota | 10 | 13 | 4 | 30.77 |
| 7 | Penn State | 9 | 10 | 5 | 50.00 |
| 8 | Northwestern | 10 | 13 | 7 | 53.85 |
| 9 | Ohio State | 10 | 13 | 8 | 61.54 |
| 10 | Purdue | 10 | 22 | 11 | 50.00 |
| 11 | Illinois | 9 | 19 | 14 | 73.68 |
| 12 | Nebraska | 10 | 28 | 16 | 57.14 |