2018 Big Ten Conference Leaders Opponent First Downs - Games vs. Ranked Teams Only (AP Poll) through 01/07/2019
| Name | G | Rush | Pass | Penalty | Total | Total/G | |
|---|---|---|---|---|---|---|---|
| 1 | Iowa | 2 | 18 | 16 | 1 | 35 | 17.5 |
| 2 | Illinois | 3 | 43 | 22 | 5 | 70 | 23.3 |
| 3 | Purdue | 3 | 16 | 50 | 9 | 75 | 25.0 |
| 4 | Minnesota | 4 | 18 | 53 | 5 | 76 | 19.0 |
| 5 | Penn State | 4 | 39 | 35 | 6 | 80 | 20.0 |
| 6 | Wisconsin | 4 | 41 | 32 | 9 | 82 | 20.5 |
| 7 | Michigan | 5 | 39 | 39 | 12 | 90 | 18.0 |
| 7 | Northwestern | 4 | 26 | 62 | 2 | 90 | 22.5 |
| 9 | Michigan State | 5 | 29 | 61 | 5 | 95 | 19.0 |
| 9 | Rutgers | 4 | 39 | 45 | 11 | 95 | 23.8 |
| 11 | Ohio State | 4 | 35 | 48 | 15 | 98 | 24.5 |
| 12 | Nebraska | 4 | 41 | 51 | 8 | 100 | 25.0 |
| 13 | Indiana | 4 | 41 | 53 | 10 | 104 | 26.0 |
| 14 | Maryland | 5 | 60 | 55 | 15 | 130 | 26.0 |