2018 Big Ten Conference Leaders Turnover Margin - All Games through 01/07/2019
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Northwestern | 14 | 14 | 12 | 26 | 3 | 16 | 19 | 7 | 0.50 |
| 1 | Michigan | 13 | 6 | 11 | 17 | 3 | 9 | 12 | 5 | 0.38 |
| 3 | Purdue | 13 | 3 | 11 | 14 | 6 | 13 | 19 | -5 | -0.38 |
| 4 | Iowa | 13 | 7 | 20 | 27 | 7 | 11 | 18 | 9 | 0.69 |
| 4 | Rutgers | 12 | 6 | 9 | 15 | 7 | 22 | 29 | -14 | -1.17 |
| 6 | Indiana | 12 | 13 | 13 | 26 | 8 | 13 | 21 | 5 | 0.42 |
| 6 | Michigan State | 13 | 9 | 14 | 23 | 8 | 14 | 22 | 1 | 0.08 |
| 8 | Maryland | 12 | 5 | 18 | 23 | 9 | 5 | 14 | 9 | 0.75 |
| 8 | Ohio State | 14 | 12 | 11 | 23 | 9 | 8 | 17 | 6 | 0.43 |
| 10 | Wisconsin | 13 | 11 | 14 | 25 | 10 | 14 | 24 | 1 | 0.08 |
| 10 | Illinois | 12 | 5 | 15 | 20 | 10 | 14 | 24 | -4 | -0.33 |
| 12 | Nebraska | 12 | 9 | 11 | 20 | 11 | 11 | 22 | -2 | -0.17 |
| 12 | Minnesota | 13 | 10 | 11 | 21 | 11 | 14 | 25 | -4 | -0.31 |
| 14 | Penn State | 13 | 7 | 13 | 20 | 13 | 8 | 21 | -1 | -0.08 |