2017 Big Ten Conference Leaders Turnover Margin - Games vs. Ranked 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 | Iowa | 5 | 2 | 8 | 10 | 5 | 2 | 7 | 3 | 0.60 |
| 1 | Purdue | 2 | 1 | 2 | 3 | 0 | 2 | 2 | 1 | 0.50 |
| 3 | Maryland | 6 | 4 | 3 | 7 | 6 | 3 | 9 | -2 | -0.33 |
| 4 | Wisconsin | 3 | 1 | 7 | 8 | 2 | 4 | 6 | 2 | 0.67 |
| 4 | Northwestern | 3 | 2 | 3 | 5 | 2 | 4 | 6 | -1 | -0.33 |
| 4 | Minnesota | 3 | 3 | 1 | 4 | 3 | 4 | 7 | -3 | -1.00 |
| 4 | Michigan | 4 | 0 | 2 | 2 | 4 | 4 | 8 | -6 | -1.50 |
| 8 | Ohio State | 5 | 6 | 5 | 11 | 4 | 5 | 9 | 2 | 0.40 |
| 8 | Penn State | 4 | 4 | 3 | 7 | 1 | 5 | 6 | 1 | 0.25 |
| 8 | Nebraska | 4 | 1 | 3 | 4 | 1 | 5 | 6 | -2 | -0.50 |
| 8 | Michigan State | 4 | 1 | 5 | 6 | 4 | 5 | 9 | -3 | -0.75 |
| 8 | Indiana | 4 | 1 | 2 | 3 | 5 | 5 | 10 | -7 | -1.75 |
| 13 | Rutgers | 4 | 0 | 0 | 0 | 2 | 6 | 8 | -8 | -2.00 |
| 14 | Illinois | 4 | 1 | 3 | 4 | 3 | 7 | 10 | -6 | -1.50 |