2018 Big Ten Conference Leaders Turnover Margin - Games vs. Conference Teams Only through 01/07/2019
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Iowa | 9 | 3 | 16 | 19 | 6 | 7 | 13 | 6 | 0.67 |
| 2 | Maryland | 9 | 4 | 14 | 18 | 8 | 3 | 11 | 7 | 0.78 |
| 3 | Indiana | 9 | 10 | 11 | 21 | 7 | 11 | 18 | 3 | 0.33 |
| 3 | Penn State | 9 | 5 | 11 | 16 | 10 | 6 | 16 | 0 | 0.00 |
| 5 | Northwestern | 10 | 8 | 10 | 18 | 2 | 11 | 13 | 5 | 0.50 |
| 6 | Ohio State | 10 | 9 | 9 | 18 | 8 | 7 | 15 | 3 | 0.30 |
| 6 | Michigan State | 9 | 9 | 9 | 18 | 7 | 10 | 17 | 1 | 0.11 |
| 6 | Illinois | 9 | 4 | 9 | 13 | 8 | 14 | 22 | -9 | -1.00 |
| 9 | Michigan | 9 | 6 | 8 | 14 | 2 | 5 | 7 | 7 | 0.78 |
| 9 | Nebraska | 9 | 7 | 8 | 15 | 8 | 6 | 14 | 1 | 0.11 |
| 11 | Wisconsin | 9 | 8 | 7 | 15 | 8 | 11 | 19 | -4 | -0.44 |
| 11 | Minnesota | 9 | 7 | 7 | 14 | 8 | 13 | 21 | -7 | -0.78 |
| 13 | Rutgers | 9 | 4 | 6 | 10 | 3 | 16 | 19 | -9 | -1.00 |
| 14 | Purdue | 9 | 3 | 5 | 8 | 2 | 10 | 12 | -4 | -0.44 |