2012 Big Ten Conference Leaders Fumbles Lost - Games vs. Ranked Teams Only (AP Poll) through 01/07/2013
| Name | G | Fumbles | Fumbles Lost | Fumble Lost % | |
|---|---|---|---|---|---|
| 1 | Indiana | 2 | 0 | 0 | 0 |
| 1 | Iowa | 4 | 5 | 0 | 0.00 |
| 3 | Northwestern | 3 | 3 | 1 | 33.33 |
| 4 | Illinois | 3 | 3 | 2 | 66.67 |
| 4 | Purdue | 3 | 5 | 2 | 40.00 |
| 6 | Penn State | 3 | 6 | 3 | 50.00 |
| 6 | Ohio State | 2 | 6 | 3 | 50.00 |
| 6 | Minnesota | 3 | 10 | 3 | 30.00 |
| 9 | Wisconsin | 6 | 9 | 4 | 44.44 |
| 10 | Nebraska | 4 | 7 | 6 | 85.71 |
| 10 | Michigan State | 6 | 9 | 6 | 66.67 |
| 10 | Michigan | 6 | 10 | 6 | 60.00 |