2021 Northwestern Wildcats Opponent Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 72 | 614 | 6.0 | 51.2 |
| at Home | 6 | 35 | 288 | 5.8 | 48.0 |
| on Road/Neutral Site | 6 | 37 | 326 | 6.2 | 54.3 |
| in Wins | 3 | 23 | 173 | 7.7 | 57.7 |
| in Losses | 9 | 49 | 441 | 5.4 | 49.0 |
| vs. Conference | 9 | 50 | 427 | 5.6 | 47.4 |
| vs. Non-Conference | 3 | 22 | 187 | 7.3 | 62.3 |
| vs. Ranked (AP) | 3 | 12 | 120 | 4.0 | 40.0 |
| vs. Unranked (AP) | 9 | 60 | 494 | 6.7 | 54.9 |
| vs. FBS (I-A) | 11 | 70 | 599 | 6.4 | 54.5 |
| vs. FCS (I-AA) | 1 | 2 | 15 | 2.0 | 15.0 |
| vs. FBS Winning | 6 | 31 | 268 | 5.2 | 44.7 |
| vs. FBS Non-Winning | 5 | 39 | 331 | 7.8 | 66.2 |
| vs. FBS Power 5 | 10 | 60 | 531 | 6.0 | 53.1 |
| vs. FBS non-Power 5 | 1 | 10 | 68 | 10.0 | 68.0 |
| in August/September | 4 | 27 | 237 | 6.8 | 59.3 |
| in October | 4 | 23 | 184 | 5.8 | 46.0 |
| in November | 4 | 22 | 193 | 5.5 | 48.3 |
| in December/January | 0 | 0 | 0 | - | - |