2021 USC Trojans Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 95 | 885 | 7.9 | 73.8 |
| at Home | 7 | 57 | 576 | 8.1 | 82.3 |
| on Road/Neutral Site | 5 | 38 | 309 | 7.6 | 61.8 |
| in Wins | 4 | 30 | 285 | 7.5 | 71.3 |
| in Losses | 8 | 65 | 600 | 8.1 | 75.0 |
| vs. Conference | 9 | 74 | 721 | 8.2 | 80.1 |
| vs. Non-Conference | 3 | 21 | 164 | 7.0 | 54.7 |
| vs. Ranked (AP) | 3 | 25 | 219 | 8.3 | 73.0 |
| vs. Unranked (AP) | 9 | 70 | 666 | 7.8 | 74.0 |
| vs. FBS (I-A) | 12 | 95 | 885 | 7.9 | 73.8 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - | - |
| vs. FBS Winning | 7 | 54 | 485 | 7.7 | 69.3 |
| vs. FBS Non-Winning | 5 | 41 | 400 | 8.2 | 80.0 |
| vs. FBS Power 5 | 9 | 74 | 721 | 8.2 | 80.1 |
| vs. FBS non-Power 5 | 3 | 21 | 164 | 7.0 | 54.7 |
| in August/September | 4 | 29 | 279 | 7.3 | 69.8 |
| in October | 4 | 38 | 370 | 9.5 | 92.5 |
| in November | 3 | 21 | 197 | 7.0 | 65.7 |
| in December/January | 1 | 7 | 39 | 7.0 | 39.0 |