2018 Western Michigan Broncos Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 77 | 678 | 5.9 | 52.2 |
| at Home | 6 | 38 | 313 | 6.3 | 52.2 |
| on Road/Neutral Site | 7 | 39 | 365 | 5.6 | 52.1 |
| in Wins | 7 | 42 | 389 | 6.0 | 55.6 |
| in Losses | 6 | 35 | 289 | 5.8 | 48.2 |
| vs. Conference | 8 | 51 | 452 | 6.4 | 56.5 |
| vs. Non-Conference | 5 | 26 | 226 | 5.2 | 45.2 |
| vs. Ranked (AP) | 2 | 10 | 75 | 5.0 | 37.5 |
| vs. Unranked (AP) | 11 | 67 | 603 | 6.1 | 54.8 |
| vs. FBS (I-A) | 12 | 71 | 614 | 5.9 | 51.2 |
| vs. FCS (I-AA) | 1 | 6 | 64 | 6.0 | 64.0 |
| vs. FBS Winning | 7 | 41 | 316 | 5.9 | 45.1 |
| vs. FBS Non-Winning | 5 | 30 | 298 | 6.0 | 59.6 |
| vs. FBS Power 5 | 2 | 10 | 75 | 5.0 | 37.5 |
| vs. FBS non-Power 5 | 10 | 61 | 539 | 6.1 | 53.9 |
| in August/September | 5 | 30 | 285 | 6.0 | 57.0 |
| in October | 4 | 28 | 245 | 7.0 | 61.3 |
| in November | 3 | 14 | 111 | 4.7 | 37.0 |
| in December/January | 1 | 5 | 37 | 5.0 | 37.0 |