2018 Big Ten Conference Leaders Opponent Penalties - Games vs. Conference Teams Only through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Purdue | 9 | 72 | 726 | 8.0 | 80.7 |
| 2 | Northwestern | 10 | 68 | 672 | 6.8 | 67.2 |
| 3 | Indiana | 9 | 60 | 598 | 6.7 | 66.4 |
| 3 | Penn State | 9 | 60 | 543 | 6.7 | 60.3 |
| 5 | Michigan | 9 | 57 | 558 | 6.3 | 62.0 |
| 6 | Nebraska | 9 | 54 | 506 | 6.0 | 56.2 |
| 7 | Rutgers | 9 | 53 | 545 | 5.9 | 60.6 |
| 7 | Ohio State | 10 | 59 | 591 | 5.9 | 59.1 |
| 7 | Minnesota | 9 | 53 | 504 | 5.9 | 56.0 |
| 7 | Iowa | 9 | 53 | 473 | 5.9 | 52.6 |
| 11 | Michigan State | 9 | 48 | 466 | 5.3 | 51.8 |
| 12 | Illinois | 9 | 46 | 474 | 5.1 | 52.7 |
| 13 | Maryland | 9 | 33 | 289 | 3.7 | 32.1 |
| 14 | Wisconsin | 9 | 32 | 305 | 3.6 | 33.9 |