2018 Big Ten Conference Leaders Turnover Margin - Games vs. FBS Teams With Winning Record Only through 01/07/2019
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Maryland | 8 | 5 | 10 | 15 | 4 | 4 | 8 | 7 | 0.88 |
| 1 | Iowa | 7 | 4 | 10 | 14 | 6 | 6 | 12 | 2 | 0.29 |
| 3 | Ohio State | 8 | 6 | 9 | 15 | 3 | 2 | 5 | 10 | 1.25 |
| 3 | Indiana | 8 | 10 | 9 | 19 | 6 | 10 | 16 | 3 | 0.38 |
| 5 | Wisconsin | 7 | 5 | 8 | 13 | 6 | 9 | 15 | -2 | -0.29 |
| 5 | Purdue | 10 | 3 | 8 | 11 | 6 | 11 | 17 | -6 | -0.60 |
| 7 | Rutgers | 7 | 2 | 7 | 9 | 3 | 7 | 10 | -1 | -0.14 |
| 7 | Nebraska | 8 | 5 | 7 | 12 | 8 | 6 | 14 | -2 | -0.25 |
| 7 | Penn State | 7 | 2 | 7 | 9 | 7 | 4 | 11 | -2 | -0.29 |
| 10 | Northwestern | 9 | 12 | 6 | 18 | 1 | 12 | 13 | 5 | 0.56 |
| 10 | Michigan | 8 | 3 | 6 | 9 | 3 | 5 | 8 | 1 | 0.13 |
| 10 | Minnesota | 6 | 3 | 6 | 9 | 3 | 8 | 11 | -2 | -0.33 |
| 10 | Illinois | 6 | 3 | 6 | 9 | 6 | 10 | 16 | -7 | -1.17 |
| 14 | Michigan State | 7 | 4 | 5 | 9 | 4 | 6 | 10 | -1 | -0.14 |