2017 Big Ten Conference Leaders Turnover Margin - Games in August/September Only 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 | 5 | 7 | 8 | 1 | 9 | -2 | -0.40 |
| 2 | Ohio State | 5 | 4 | 6 | 10 | 2 | 2 | 4 | 6 | 1.20 |
| 2 | Michigan State | 4 | 2 | 2 | 4 | 6 | 2 | 8 | -4 | -1.00 |
| 4 | Maryland | 4 | 1 | 5 | 6 | 0 | 3 | 3 | 3 | 0.75 |
| 4 | Minnesota | 4 | 3 | 3 | 6 | 1 | 3 | 4 | 2 | 0.50 |
| 4 | Wisconsin | 4 | 1 | 7 | 8 | 4 | 3 | 7 | 1 | 0.25 |
| 4 | Michigan | 4 | 4 | 3 | 7 | 4 | 3 | 7 | 0 | 0.00 |
| 8 | Penn State | 5 | 7 | 7 | 14 | 1 | 4 | 5 | 9 | 1.80 |
| 8 | Purdue | 4 | 7 | 3 | 10 | 2 | 4 | 6 | 4 | 1.00 |
| 8 | Indiana | 4 | 3 | 1 | 4 | 4 | 4 | 8 | -4 | -1.00 |
| 11 | Northwestern | 4 | 4 | 4 | 8 | 4 | 5 | 9 | -1 | -0.25 |
| 12 | Illinois | 4 | 3 | 3 | 6 | 0 | 6 | 6 | 0 | 0.00 |
| 13 | Rutgers | 5 | 2 | 5 | 7 | 1 | 8 | 9 | -2 | -0.40 |
| 14 | Nebraska | 5 | 2 | 6 | 8 | 1 | 9 | 10 | -2 | -0.40 |