2018 Big Ten Conference Leaders Turnover Margin - Games Won Only through 01/07/2019
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ohio State | 13 | 12 | 11 | 23 | 9 | 7 | 16 | 7 | 0.54 |
| 2 | Northwestern | 9 | 11 | 11 | 22 | 1 | 10 | 11 | 11 | 1.22 |
| 3 | Wisconsin | 8 | 9 | 11 | 20 | 4 | 6 | 10 | 10 | 1.25 |
| 4 | Penn State | 9 | 7 | 11 | 18 | 9 | 5 | 14 | 4 | 0.44 |
| 5 | Iowa | 9 | 6 | 15 | 21 | 2 | 8 | 10 | 11 | 1.22 |
| 5 | Minnesota | 7 | 6 | 9 | 15 | 6 | 3 | 9 | 6 | 0.86 |
| 5 | Indiana | 5 | 6 | 4 | 10 | 2 | 4 | 6 | 4 | 0.80 |
| 8 | Nebraska | 4 | 5 | 6 | 11 | 4 | 3 | 7 | 4 | 1.00 |
| 8 | Michigan | 10 | 5 | 10 | 15 | 2 | 4 | 6 | 9 | 0.90 |
| 10 | Michigan State | 7 | 4 | 11 | 15 | 4 | 9 | 13 | 2 | 0.29 |
| 11 | Illinois | 4 | 3 | 7 | 10 | 3 | 1 | 4 | 6 | 1.50 |
| 12 | Maryland | 5 | 2 | 11 | 13 | 2 | 0 | 2 | 11 | 2.20 |
| 12 | Rutgers | 1 | 2 | 1 | 3 | 1 | 3 | 4 | -1 | -1.00 |
| 14 | Purdue | 6 | 1 | 8 | 9 | 2 | 4 | 6 | 3 | 0.50 |