2018 Big Ten Conference Leaders Turnover Margin - Games vs. FBS Teams With Non-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 | 4 | 0 | 8 | 8 | 5 | 1 | 6 | 2 | 0.50 |
| 2 | Purdue | 3 | 0 | 3 | 3 | 0 | 2 | 2 | 1 | 0.33 |
| 3 | Iowa | 5 | 2 | 9 | 11 | 1 | 3 | 4 | 7 | 1.40 |
| 3 | Indiana | 4 | 3 | 4 | 7 | 2 | 3 | 5 | 2 | 0.50 |
| 3 | Nebraska | 3 | 3 | 2 | 5 | 3 | 3 | 6 | -1 | -0.33 |
| 6 | Michigan | 5 | 3 | 5 | 8 | 0 | 4 | 4 | 4 | 0.80 |
| 6 | Northwestern | 5 | 2 | 6 | 8 | 2 | 4 | 6 | 2 | 0.40 |
| 6 | Penn State | 6 | 5 | 6 | 11 | 6 | 4 | 10 | 1 | 0.17 |
| 6 | Illinois | 5 | 1 | 7 | 8 | 4 | 4 | 8 | 0 | 0.00 |
| 10 | Wisconsin | 6 | 6 | 6 | 12 | 4 | 5 | 9 | 3 | 0.50 |
| 11 | Minnesota | 7 | 7 | 5 | 12 | 8 | 6 | 14 | -2 | -0.29 |
| 11 | Ohio State | 6 | 6 | 2 | 8 | 6 | 6 | 12 | -4 | -0.67 |
| 13 | Michigan State | 6 | 5 | 9 | 14 | 4 | 8 | 12 | 2 | 0.33 |
| 14 | Rutgers | 5 | 4 | 2 | 6 | 4 | 15 | 19 | -13 | -2.60 |