2018 Big Ten Conference Leaders Opponent Penalties - Games in December/January Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Iowa | 1 | 8 | 90 | 8.0 | 90.0 |
| 2 | Northwestern | 2 | 13 | 125 | 6.5 | 62.5 |
| 3 | Michigan | 1 | 5 | 40 | 5.0 | 40.0 |
| 4 | Purdue | 1 | 3 | 35 | 3.0 | 35.0 |
| 5 | Ohio State | 2 | 9 | 61 | 4.5 | 30.5 |
| 6 | Minnesota | 1 | 3 | 30 | 3.0 | 30.0 |
| 7 | Penn State | 1 | 3 | 27 | 3.0 | 27.0 |
| 8 | Michigan State | 1 | 2 | 15 | 2.0 | 15.0 |
| 9 | Wisconsin | 1 | 1 | 5 | 1.0 | 5.0 |