2018 SMU Mustangs Penalty Split Stats through 01/07/2019
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 63 | 550 | 5.3 | 45.8 |
| at Home | 6 | 32 | 279 | 5.3 | 46.5 |
| on Road/Neutral Site | 6 | 31 | 271 | 5.2 | 45.2 |
| in Wins | 5 | 25 | 232 | 5.0 | 46.4 |
| in Losses | 7 | 38 | 318 | 5.4 | 45.4 |
| vs. Conference | 8 | 38 | 311 | 4.8 | 38.9 |
| vs. Non-Conference | 4 | 25 | 239 | 6.3 | 59.8 |
| vs. Ranked (AP) | 3 | 15 | 147 | 5.0 | 49.0 |
| vs. Unranked (AP) | 9 | 48 | 403 | 5.3 | 44.8 |
| vs. FBS (I-A) | 11 | 56 | 479 | 5.1 | 43.5 |
| vs. FCS (I-AA) | 1 | 7 | 71 | 7.0 | 71.0 |
| vs. FBS Winning | 8 | 41 | 350 | 5.1 | 43.8 |
| vs. FBS Non-Winning | 3 | 15 | 129 | 5.0 | 43.0 |
| vs. FBS Power 5 | 2 | 14 | 128 | 7.0 | 64.0 |
| vs. FBS non-Power 5 | 9 | 42 | 351 | 4.7 | 39.0 |
| in August/September | 5 | 28 | 255 | 5.6 | 51.0 |
| in October | 3 | 16 | 130 | 5.3 | 43.3 |
| in November | 4 | 19 | 165 | 4.8 | 41.3 |
| in December/January | 0 | 0 | 0 | - | - |