2012 Big Ten Conference Leaders Turnover Margin - Games Lost Only through 01/07/2013
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Northwestern | 3 | 5 | 1 | 6 | 2 | 0 | 2 | 4 | 1.33 |
| 2 | Penn State | 4 | 5 | 2 | 7 | 4 | 3 | 7 | 0 | 0.00 |
| 2 | Wisconsin | 6 | 3 | 0 | 3 | 3 | 3 | 6 | -3 | -0.50 |
| 4 | Michigan State | 6 | 2 | 6 | 8 | 5 | 4 | 9 | -1 | -0.17 |
| 5 | Iowa | 8 | 11 | 5 | 16 | 3 | 7 | 10 | 6 | 0.75 |
| 6 | Nebraska | 4 | 2 | 2 | 4 | 4 | 8 | 12 | -8 | -2.00 |
| 7 | Purdue | 7 | 4 | 3 | 7 | 6 | 9 | 15 | -8 | -1.14 |
| 8 | Indiana | 8 | 2 | 5 | 7 | 2 | 10 | 12 | -5 | -0.63 |
| 9 | Illinois | 10 | 10 | 3 | 13 | 16 | 12 | 28 | -15 | -1.50 |
| 10 | Minnesota | 7 | 2 | 5 | 7 | 4 | 13 | 17 | -10 | -1.43 |
| 10 | Michigan | 5 | 5 | 3 | 8 | 5 | 13 | 18 | -10 | -2.00 |