2012 Big Ten Conference Leaders Turnover Margin - Games vs. Non-Conference Teams Only through 01/07/2013
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Minnesota | 5 | 3 | 9 | 12 | 3 | 3 | 6 | 6 | 1.20 |
| 1 | Purdue | 5 | 4 | 8 | 12 | 7 | 8 | 15 | -3 | -0.60 |
| 3 | Northwestern | 5 | 6 | 5 | 11 | 3 | 3 | 6 | 5 | 1.00 |
| 4 | Illinois | 4 | 6 | 4 | 10 | 5 | 6 | 11 | -1 | -0.25 |
| 5 | Ohio State | 4 | 2 | 7 | 9 | 2 | 2 | 4 | 5 | 1.25 |
| 5 | Nebraska | 5 | 4 | 5 | 9 | 8 | 4 | 12 | -3 | -0.60 |
| 7 | Penn State | 4 | 6 | 2 | 8 | 2 | 2 | 4 | 4 | 1.00 |
| 7 | Michigan State | 5 | 4 | 4 | 8 | 3 | 4 | 7 | 1 | 0.20 |
| 9 | Iowa | 4 | 3 | 3 | 6 | 1 | 2 | 3 | 3 | 0.75 |
| 10 | Michigan | 5 | 3 | 2 | 5 | 2 | 11 | 13 | -8 | -1.60 |
| 11 | Indiana | 4 | 1 | 1 | 2 | 0 | 3 | 3 | -1 | -0.25 |
| 12 | Wisconsin | 5 | 1 | 0 | 1 | 3 | 3 | 6 | -5 | -1.00 |