2021 Michigan State Spartans Penalty Split Stats through 01/10/2022
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 90 | 831 | 6.9 | 63.9 |
| at Home | 6 | 40 | 364 | 6.7 | 60.7 |
| on Road/Neutral Site | 7 | 50 | 467 | 7.1 | 66.7 |
| in Wins | 11 | 81 | 731 | 7.4 | 66.5 |
| in Losses | 2 | 9 | 100 | 4.5 | 50.0 |
| vs. Conference | 9 | 62 | 600 | 6.9 | 66.7 |
| vs. Non-Conference | 4 | 28 | 231 | 7.0 | 57.8 |
| vs. Ranked (AP) | 3 | 16 | 140 | 5.3 | 46.7 |
| vs. Unranked (AP) | 10 | 74 | 691 | 7.4 | 69.1 |
| vs. FBS (I-A) | 12 | 83 | 775 | 6.9 | 64.6 |
| vs. FCS (I-AA) | 1 | 7 | 56 | 7.0 | 56.0 |
| vs. FBS Winning | 8 | 52 | 479 | 6.5 | 59.9 |
| vs. FBS Non-Winning | 4 | 31 | 296 | 7.8 | 74.0 |
| vs. FBS Power 5 | 11 | 77 | 715 | 7.0 | 65.0 |
| vs. FBS non-Power 5 | 1 | 6 | 60 | 6.0 | 60.0 |
| in August/September | 4 | 26 | 230 | 6.5 | 57.5 |
| in October | 4 | 34 | 337 | 8.5 | 84.3 |
| in November | 4 | 24 | 229 | 6.0 | 57.3 |
| in December/January | 1 | 6 | 35 | 6.0 | 35.0 |