2018 Big Ten Conference Leaders Turnover Margin - Games Lost 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 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | -1 | -1.00 |
| 2 | Michigan | 3 | 1 | 1 | 2 | 1 | 5 | 6 | -4 | -1.33 |
| 3 | Penn State | 4 | 0 | 2 | 2 | 4 | 3 | 7 | -5 | -1.25 |
| 4 | Iowa | 4 | 1 | 5 | 6 | 5 | 3 | 8 | -2 | -0.50 |
| 4 | Northwestern | 5 | 3 | 1 | 4 | 2 | 6 | 8 | -4 | -0.80 |
| 6 | Michigan State | 6 | 5 | 3 | 8 | 4 | 5 | 9 | -1 | -0.17 |
| 7 | Maryland | 7 | 3 | 7 | 10 | 7 | 5 | 12 | -2 | -0.29 |
| 8 | Purdue | 7 | 2 | 3 | 5 | 4 | 9 | 13 | -8 | -1.14 |
| 9 | Wisconsin | 5 | 2 | 3 | 5 | 6 | 8 | 14 | -9 | -1.80 |
| 10 | Indiana | 7 | 7 | 9 | 16 | 6 | 9 | 15 | 1 | 0.14 |
| 10 | Nebraska | 8 | 4 | 5 | 9 | 7 | 8 | 15 | -6 | -0.75 |
| 12 | Minnesota | 6 | 4 | 2 | 6 | 5 | 11 | 16 | -10 | -1.67 |
| 13 | Illinois | 8 | 2 | 8 | 10 | 7 | 13 | 20 | -10 | -1.25 |
| 14 | Rutgers | 11 | 4 | 8 | 12 | 6 | 19 | 25 | -13 | -1.18 |