2021 Northwestern Wildcats Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 12 | 55 | 498 | 4.6 | 41.5 |
| at Home | 6 | 30 | 270 | 5.0 | 45.0 |
| on Road/Neutral Site | 6 | 25 | 228 | 4.2 | 38.0 |
| in Wins | 3 | 13 | 137 | 4.3 | 45.7 |
| in Losses | 9 | 42 | 361 | 4.7 | 40.1 |
| vs. Conference | 9 | 41 | 371 | 4.6 | 41.2 |
| vs. Non-Conference | 3 | 14 | 127 | 4.7 | 42.3 |
| vs. Ranked (AP) | 3 | 15 | 125 | 5.0 | 41.7 |
| vs. Unranked (AP) | 9 | 40 | 373 | 4.4 | 41.4 |
| vs. FBS (I-A) | 11 | 50 | 443 | 4.5 | 40.3 |
| vs. FCS (I-AA) | 1 | 5 | 55 | 5.0 | 55.0 |
| vs. FBS Winning | 6 | 28 | 243 | 4.7 | 40.5 |
| vs. FBS Non-Winning | 5 | 22 | 200 | 4.4 | 40.0 |
| vs. FBS Power 5 | 10 | 46 | 411 | 4.6 | 41.1 |
| vs. FBS non-Power 5 | 1 | 4 | 32 | 4.0 | 32.0 |
| in August/September | 4 | 19 | 162 | 4.8 | 40.5 |
| in October | 4 | 16 | 161 | 4.0 | 40.3 |
| in November | 4 | 20 | 175 | 5.0 | 43.8 |
| in December/January | 0 | 0 | 0 | - | - |