2021 SMU Mustangs Opponent Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 88 | 654 | 7.3 | 54.5 |
| at Home | 6 | 45 | 355 | 7.5 | 59.2 |
| on Road/Neutral Site | 6 | 43 | 299 | 7.2 | 49.8 |
| in Wins | 8 | 62 | 437 | 7.8 | 54.6 |
| in Losses | 4 | 26 | 217 | 6.5 | 54.3 |
| vs. Conference | 8 | 53 | 414 | 6.6 | 51.8 |
| vs. Non-Conference | 4 | 35 | 240 | 8.8 | 60.0 |
| vs. Ranked (AP) | 2 | 16 | 142 | 8.0 | 71.0 |
| vs. Unranked (AP) | 10 | 72 | 512 | 7.2 | 51.2 |
| vs. FBS (I-A) | 11 | 82 | 616 | 7.5 | 56.0 |
| vs. FCS (I-AA) | 1 | 6 | 38 | 6.0 | 38.0 |
| vs. FBS Winning | 4 | 28 | 246 | 7.0 | 61.5 |
| vs. FBS Non-Winning | 7 | 54 | 370 | 7.7 | 52.9 |
| vs. FBS Power 5 | 1 | 9 | 61 | 9.0 | 61.0 |
| vs. FBS non-Power 5 | 10 | 73 | 555 | 7.3 | 55.5 |
| in August/September | 4 | 35 | 240 | 8.8 | 60.0 |
| in October | 4 | 25 | 203 | 6.3 | 50.8 |
| in November | 4 | 28 | 211 | 7.0 | 52.8 |
| in December/January | 0 | 0 | 0 | - | - |