2009 Michigan State Spartans Penalty Split Stats through 01/07/2010
| Split | G | Pen. | Yards | Pen./G | Yards/G |
|---|---|---|---|---|---|
| All Games | 13 | 83 | 720 | 6.4 | 55.4 |
| at Home | 7 | 43 | 413 | 6.1 | 59.0 |
| on Road/Neutral Site | 6 | 40 | 307 | 6.7 | 51.2 |
| in Wins | 6 | 32 | 301 | 5.3 | 50.2 |
| in Losses | 7 | 51 | 419 | 7.3 | 59.9 |
| vs. Conference | 8 | 55 | 468 | 6.9 | 58.5 |
| vs. Non-Conference | 5 | 28 | 252 | 5.6 | 50.4 |
| vs. Ranked (AP) | 5 | 36 | 306 | 7.2 | 61.2 |
| vs. Unranked (AP) | 8 | 47 | 414 | 5.9 | 51.8 |
| vs. FBS (I-A) | 12 | 78 | 674 | 6.5 | 56.2 |
| vs. FCS (I-AA) | 1 | 5 | 46 | 5.0 | 46.0 |
| vs. FBS Winning | 6 | 40 | 352 | 6.7 | 58.7 |
| vs. FBS Non-Winning | 6 | 38 | 322 | 6.3 | 53.7 |
| vs. BCS AQ | 10 | 66 | 563 | 6.6 | 56.3 |
| vs. BCS non-AQ | 2 | 12 | 111 | 6.0 | 55.5 |
| in August/September | 4 | 28 | 221 | 7.0 | 55.3 |
| in October | 5 | 34 | 319 | 6.8 | 63.8 |
| in November | 3 | 16 | 125 | 5.3 | 41.7 |
| in December/January | 1 | 5 | 55 | 5.0 | 55.0 |