2018 Big Ten Conference Leaders Passing Defense - Games vs. Non-Conference Teams Only through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Wisconsin | 4 | 94 | 50 | 53.2 | 483 | 5.1 | 3 | 7 | 91.99 | 23.5 | 120.8 |
| 1 | Indiana | 3 | 81 | 43 | 53.1 | 406 | 5.0 | 3 | 2 | 102.47 | 27.0 | 135.3 |
| 1 | Minnesota | 4 | 127 | 69 | 54.3 | 630 | 5.0 | 3 | 4 | 97.49 | 31.8 | 157.5 |
| 1 | Penn State | 4 | 112 | 65 | 58.0 | 648 | 5.8 | 3 | 2 | 111.91 | 28.0 | 162.0 |
| 1 | Nebraska | 3 | 101 | 60 | 59.4 | 675 | 6.7 | 3 | 3 | 119.41 | 33.7 | 225.0 |
| 6 | Iowa | 4 | 127 | 69 | 54.3 | 653 | 5.1 | 4 | 4 | 101.62 | 31.8 | 163.3 |
| 6 | Rutgers | 3 | 77 | 38 | 49.4 | 502 | 6.5 | 4 | 3 | 113.46 | 25.7 | 167.3 |
| 6 | Ohio State | 4 | 135 | 84 | 62.2 | 975 | 7.2 | 4 | 2 | 129.70 | 33.8 | 243.8 |
| 6 | Michigan State | 4 | 160 | 98 | 61.3 | 1047 | 6.5 | 4 | 5 | 118.22 | 40.0 | 261.8 |
| 10 | Michigan | 4 | 114 | 61 | 53.5 | 634 | 5.6 | 5 | 3 | 109.43 | 28.5 | 158.5 |
| 11 | Maryland | 3 | 94 | 54 | 57.4 | 670 | 7.1 | 6 | 4 | 129.88 | 31.3 | 223.3 |
| 11 | Illinois | 3 | 123 | 77 | 62.6 | 976 | 7.9 | 6 | 6 | 135.59 | 41.0 | 325.3 |
| 13 | Northwestern | 4 | 131 | 84 | 64.1 | 1126 | 8.6 | 9 | 2 | 155.94 | 32.8 | 281.5 |
| 14 | Purdue | 4 | 129 | 79 | 61.2 | 1244 | 9.6 | 10 | 6 | 158.52 | 32.3 | 311.0 |