2012 Big Ten Conference Leaders Turnover Margin - Games vs. Unranked Teams Only (AP Poll) through 01/07/2013
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Penn State | 9 | 9 | 9 | 18 | 5 | 3 | 8 | 10 | 1.11 |
| 2 | Iowa | 8 | 9 | 8 | 17 | 3 | 6 | 9 | 8 | 1.00 |
| 3 | Northwestern | 10 | 10 | 12 | 22 | 7 | 7 | 14 | 8 | 0.80 |
| 4 | Michigan State | 7 | 3 | 8 | 11 | 2 | 4 | 6 | 5 | 0.71 |
| 5 | Wisconsin | 8 | 4 | 6 | 10 | 2 | 4 | 6 | 4 | 0.50 |
| 6 | Michigan | 7 | 5 | 4 | 9 | 2 | 5 | 7 | 2 | 0.29 |
| 7 | Minnesota | 10 | 5 | 12 | 17 | 4 | 12 | 16 | 1 | 0.10 |
| 8 | Purdue | 10 | 7 | 12 | 19 | 11 | 9 | 20 | -1 | -0.10 |
| 9 | Ohio State | 10 | 3 | 10 | 13 | 8 | 7 | 15 | -2 | -0.20 |
| 10 | Nebraska | 10 | 9 | 8 | 17 | 16 | 7 | 23 | -6 | -0.60 |
| 10 | Indiana | 10 | 5 | 4 | 9 | 3 | 12 | 15 | -6 | -0.60 |
| 12 | Illinois | 9 | 7 | 6 | 13 | 14 | 9 | 23 | -10 | -1.11 |