2018 Big Ten Conference Leaders Passing Defense - Games in October Only through 01/07/2019
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | TD | Int | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Michigan | 3 | 61 | 21 | 34.4 | 252 | 4.1 | 2 | 3 | 70.11 | 20.3 | 84.0 |
| 2 | Penn State | 3 | 158 | 79 | 50.0 | 840 | 5.3 | 4 | 4 | 97.95 | 52.7 | 280.0 |
| 3 | Maryland | 4 | 101 | 47 | 46.5 | 649 | 6.4 | 6 | 8 | 104.29 | 25.3 | 162.3 |
| 4 | Rutgers | 3 | 73 | 36 | 49.3 | 324 | 4.4 | 4 | 0 | 104.68 | 24.3 | 108.0 |
| 5 | Iowa | 4 | 123 | 68 | 55.3 | 738 | 6.0 | 5 | 8 | 106.09 | 30.8 | 184.5 |
| 6 | Northwestern | 4 | 151 | 91 | 60.3 | 819 | 5.4 | 3 | 3 | 108.42 | 37.8 | 204.8 |
| 7 | Wisconsin | 4 | 115 | 66 | 57.4 | 788 | 6.9 | 3 | 6 | 113.13 | 28.8 | 197.0 |
| 8 | Purdue | 3 | 148 | 90 | 60.8 | 969 | 6.5 | 4 | 2 | 122.02 | 49.3 | 323.0 |
| 9 | Nebraska | 4 | 155 | 87 | 56.1 | 1181 | 7.6 | 5 | 5 | 124.33 | 38.8 | 295.3 |
| 10 | Michigan State | 4 | 153 | 93 | 60.8 | 1054 | 6.9 | 6 | 5 | 125.05 | 38.3 | 263.5 |
| 11 | Ohio State | 3 | 115 | 64 | 55.7 | 918 | 8.0 | 6 | 2 | 136.45 | 38.3 | 306.0 |
| 12 | Minnesota | 4 | 157 | 110 | 70.1 | 1234 | 7.9 | 12 | 3 | 157.48 | 39.3 | 308.5 |
| 13 | Illinois | 4 | 126 | 81 | 64.3 | 1120 | 8.9 | 11 | 6 | 158.25 | 31.5 | 280.0 |
| 14 | Indiana | 4 | 138 | 91 | 65.9 | 1320 | 9.6 | 16 | 5 | 177.30 | 34.5 | 330.0 |