2018 Big Ten Conference Leaders Passes Defended - Games in August/September Only through 01/07/2019
| Name | G | Int. | Passes Broken Up | Passes Defended | Passes Defended/G | |
|---|---|---|---|---|---|---|
| 1 | Illinois | 4 | 7 | 20 | 27 | 6.75 |
| 1 | Purdue | 5 | 7 | 16 | 23 | 4.60 |
| 1 | Michigan State | 4 | 7 | 15 | 22 | 5.50 |
| 4 | Maryland | 4 | 6 | 15 | 21 | 5.25 |
| 5 | Penn State | 5 | 5 | 22 | 27 | 5.40 |
| 5 | Indiana | 5 | 5 | 17 | 22 | 4.40 |
| 7 | Michigan | 5 | 4 | 21 | 25 | 5.00 |
| 7 | Ohio State | 5 | 4 | 20 | 24 | 4.80 |
| 7 | Rutgers | 5 | 4 | 17 | 21 | 4.20 |
| 7 | Wisconsin | 4 | 4 | 14 | 18 | 4.50 |
| 7 | Minnesota | 4 | 4 | 13 | 17 | 4.25 |
| 12 | Northwestern | 4 | 3 | 16 | 19 | 4.75 |
| 13 | Nebraska | 4 | 2 | 17 | 19 | 4.75 |
| 13 | Iowa | 4 | 2 | 10 | 12 | 3.00 |