2018 Big Ten Conference Leaders Opponent Penalties - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Pen. | Yards | Pen./G | Yards/G | |
|---|---|---|---|---|---|---|
| 1 | Purdue | 3 | 24 | 217 | 8.0 | 72.3 |
| 2 | Northwestern | 4 | 31 | 283 | 7.8 | 70.8 |
| 3 | Indiana | 4 | 27 | 277 | 6.8 | 69.3 |
| 4 | Penn State | 4 | 28 | 237 | 7.0 | 59.3 |
| 5 | Rutgers | 4 | 22 | 232 | 5.5 | 58.0 |
| 5 | Michigan | 5 | 27 | 290 | 5.4 | 58.0 |
| 7 | Maryland | 5 | 29 | 256 | 5.8 | 51.2 |
| 8 | Michigan State | 5 | 29 | 254 | 5.8 | 50.8 |
| 9 | Ohio State | 4 | 23 | 197 | 5.8 | 49.3 |
| 10 | Iowa | 2 | 11 | 87 | 5.5 | 43.5 |
| 11 | Nebraska | 4 | 17 | 148 | 4.3 | 37.0 |
| 12 | Minnesota | 4 | 16 | 141 | 4.0 | 35.3 |
| 13 | Illinois | 3 | 10 | 102 | 3.3 | 34.0 |
| 14 | Wisconsin | 4 | 8 | 62 | 2.0 | 15.5 |