2009 Michigan State Spartans Opponent Penalty Split Stats through 01/07/2010
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 91 | 750 | 7.0 | 57.7 |
| at Home | 7 | 38 | 292 | 5.4 | 41.7 |
| on Road/Neutral Site | 6 | 53 | 458 | 8.8 | 76.3 |
| in Wins | 6 | 31 | 259 | 5.2 | 43.2 |
| in Losses | 7 | 60 | 491 | 8.6 | 70.1 |
| vs. Conference | 8 | 51 | 404 | 6.4 | 50.5 |
| vs. Non-Conference | 5 | 40 | 346 | 8.0 | 69.2 |
| vs. Ranked (AP) | 5 | 32 | 235 | 6.4 | 47.0 |
| vs. Unranked (AP) | 8 | 59 | 515 | 7.4 | 64.4 |
| vs. FBS (I-A) | 12 | 84 | 695 | 7.0 | 57.9 |
| vs. FCS (I-AA) | 1 | 7 | 55 | 7.0 | 55.0 |
| vs. FBS Winning | 6 | 36 | 260 | 6.0 | 43.3 |
| vs. FBS Non-Winning | 6 | 48 | 435 | 8.0 | 72.5 |
| vs. BCS AQ | 10 | 71 | 563 | 7.1 | 56.3 |
| vs. BCS non-AQ | 2 | 13 | 132 | 6.5 | 66.0 |
| in August/September | 4 | 29 | 264 | 7.3 | 66.0 |
| in October | 5 | 35 | 293 | 7.0 | 58.6 |
| in November | 3 | 18 | 133 | 6.0 | 44.3 |
| in December/January | 1 | 9 | 60 | 9.0 | 60.0 |