2018 BYU Cougars Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 74 | 633 | 5.7 | 48.7 |
| at Home | 6 | 33 | 298 | 5.5 | 49.7 |
| on Road/Neutral Site | 7 | 41 | 335 | 5.9 | 47.9 |
| in Wins | 7 | 35 | 336 | 5.0 | 48.0 |
| in Losses | 6 | 39 | 297 | 6.5 | 49.5 |
| vs. Conference | 2 | 4 | 40 | 2.0 | 20.0 |
| vs. Non-Conference | 11 | 70 | 593 | 6.4 | 53.9 |
| vs. Ranked (AP) | 3 | 22 | 158 | 7.3 | 52.7 |
| vs. Unranked (AP) | 10 | 52 | 475 | 5.2 | 47.5 |
| vs. FBS (I-A) | 12 | 69 | 577 | 5.8 | 48.1 |
| vs. FCS (I-AA) | 1 | 5 | 56 | 5.0 | 56.0 |
| vs. FBS Winning | 9 | 55 | 443 | 6.1 | 49.2 |
| vs. FBS Non-Winning | 3 | 14 | 134 | 4.7 | 44.7 |
| vs. FBS Power 5 | 5 | 32 | 267 | 6.4 | 53.4 |
| vs. FBS non-Power 5 | 7 | 37 | 310 | 5.3 | 44.3 |
| in August/September | 5 | 34 | 301 | 6.8 | 60.2 |
| in October | 3 | 19 | 157 | 6.3 | 52.3 |
| in November | 4 | 15 | 120 | 3.8 | 30.0 |
| in December/January | 1 | 6 | 55 | 6.0 | 55.0 |