2021 Purdue Boilermakers Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 58 | 557 | 4.5 | 42.8 |
| at Home | 6 | 21 | 216 | 3.5 | 36.0 |
| on Road/Neutral Site | 7 | 37 | 341 | 5.3 | 48.7 |
| in Wins | 9 | 40 | 381 | 4.4 | 42.3 |
| in Losses | 4 | 18 | 176 | 4.5 | 44.0 |
| vs. Conference | 9 | 36 | 346 | 4.0 | 38.4 |
| vs. Non-Conference | 4 | 22 | 211 | 5.5 | 52.8 |
| vs. Ranked (AP) | 4 | 18 | 156 | 4.5 | 39.0 |
| vs. Unranked (AP) | 9 | 40 | 401 | 4.4 | 44.6 |
| vs. FBS (I-A) | 13 | 58 | 557 | 4.5 | 42.8 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - | - |
| vs. FBS Winning | 8 | 34 | 327 | 4.3 | 40.9 |
| vs. FBS Non-Winning | 5 | 24 | 230 | 4.8 | 46.0 |
| vs. FBS Power 5 | 11 | 45 | 442 | 4.1 | 40.2 |
| vs. FBS non-Power 5 | 2 | 13 | 115 | 6.5 | 57.5 |
| in August/September | 4 | 18 | 165 | 4.5 | 41.3 |
| in October | 4 | 14 | 135 | 3.5 | 33.8 |
| in November | 4 | 21 | 196 | 5.3 | 49.0 |
| in December/January | 1 | 5 | 61 | 5.0 | 61.0 |