2017 Big Ten Conference Leaders Turnover Margin - Games vs. Unranked Teams Only (AP Poll) through 01/08/2018
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wisconsin | 11 | 8 | 13 | 21 | 7 | 11 | 18 | 3 | 0.27 |
| 2 | Northwestern | 10 | 6 | 14 | 20 | 4 | 8 | 12 | 8 | 0.80 |
| 3 | Penn State | 9 | 11 | 7 | 18 | 2 | 5 | 7 | 11 | 1.22 |
| 3 | Purdue | 11 | 10 | 8 | 18 | 6 | 9 | 15 | 3 | 0.27 |
| 5 | Michigan State | 9 | 8 | 9 | 17 | 8 | 3 | 11 | 6 | 0.67 |
| 6 | Iowa | 8 | 3 | 13 | 16 | 8 | 4 | 12 | 4 | 0.50 |
| 7 | Rutgers | 8 | 3 | 12 | 15 | 7 | 5 | 12 | 3 | 0.38 |
| 7 | Michigan | 9 | 7 | 8 | 15 | 7 | 6 | 13 | 2 | 0.22 |
| 7 | Illinois | 8 | 9 | 6 | 15 | 4 | 12 | 16 | -1 | -0.13 |
| 10 | Minnesota | 9 | 7 | 7 | 14 | 4 | 7 | 11 | 3 | 0.33 |
| 11 | Ohio State | 9 | 5 | 8 | 13 | 5 | 5 | 10 | 3 | 0.33 |
| 12 | Indiana | 8 | 7 | 3 | 10 | 2 | 8 | 10 | 0 | 0.00 |
| 13 | Maryland | 6 | 2 | 7 | 9 | 0 | 5 | 5 | 4 | 0.67 |
| 14 | Nebraska | 8 | 2 | 6 | 8 | 1 | 12 | 13 | -5 | -0.63 |