2018 SMU Mustangs Opponent Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 81 | 799 | 6.8 | 66.6 |
| at Home | 6 | 32 | 334 | 5.3 | 55.7 |
| on Road/Neutral Site | 6 | 49 | 465 | 8.2 | 77.5 |
| in Wins | 5 | 29 | 278 | 5.8 | 55.6 |
| in Losses | 7 | 52 | 521 | 7.4 | 74.4 |
| vs. Conference | 8 | 57 | 557 | 7.1 | 69.6 |
| vs. Non-Conference | 4 | 24 | 242 | 6.0 | 60.5 |
| vs. Ranked (AP) | 3 | 26 | 263 | 8.7 | 87.7 |
| vs. Unranked (AP) | 9 | 55 | 536 | 6.1 | 59.6 |
| vs. FBS (I-A) | 11 | 79 | 769 | 7.2 | 69.9 |
| vs. FCS (I-AA) | 1 | 2 | 30 | 2.0 | 30.0 |
| vs. FBS Winning | 8 | 63 | 627 | 7.9 | 78.4 |
| vs. FBS Non-Winning | 3 | 16 | 142 | 5.3 | 47.3 |
| vs. FBS Power 5 | 2 | 17 | 172 | 8.5 | 86.0 |
| vs. FBS non-Power 5 | 9 | 62 | 597 | 6.9 | 66.3 |
| in August/September | 5 | 26 | 267 | 5.2 | 53.4 |
| in October | 3 | 23 | 222 | 7.7 | 74.0 |
| in November | 4 | 32 | 310 | 8.0 | 77.5 |
| in December/January | 0 | 0 | 0 | - | - |