2021 Michigan State Spartans Third Down Conversion Defense Split Stats through 01/10/2022
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 13 | 213 | 85 | 39.91 |
| at Home | 6 | 100 | 39 | 39.00 |
| on Road/Neutral Site | 7 | 113 | 46 | 40.71 |
| in Wins | 11 | 186 | 68 | 36.56 |
| in Losses | 2 | 27 | 17 | 62.96 |
| vs. Conference | 9 | 147 | 61 | 41.50 |
| vs. Non-Conference | 4 | 66 | 24 | 36.36 |
| vs. Ranked (AP) | 3 | 38 | 16 | 42.11 |
| vs. Unranked (AP) | 10 | 175 | 69 | 39.43 |
| vs. FBS (I-A) | 12 | 193 | 76 | 39.38 |
| vs. FCS (I-AA) | 1 | 20 | 9 | 45.00 |
| vs. FBS Winning | 8 | 116 | 48 | 41.38 |
| vs. FBS Non-Winning | 4 | 77 | 28 | 36.36 |
| vs. FBS Power 5 | 11 | 176 | 69 | 39.20 |
| vs. FBS non-Power 5 | 1 | 17 | 7 | 41.18 |
| in August/September | 4 | 77 | 30 | 38.96 |
| in October | 4 | 71 | 28 | 39.44 |
| in November | 4 | 53 | 25 | 47.17 |
| in December/January | 1 | 12 | 2 | 16.67 |