2018 Michigan State Spartans Fourth Down Conversion Defense Split Stats through 01/07/2019
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 13 | 17 | 6 | 35.29 |
| at Home | 7 | 7 | 4 | 57.14 |
| on Road/Neutral Site | 6 | 10 | 2 | 20.00 |
| in Wins | 7 | 10 | 3 | 30.00 |
| in Losses | 6 | 7 | 3 | 42.86 |
| vs. Conference | 9 | 12 | 4 | 33.33 |
| vs. Non-Conference | 4 | 5 | 2 | 40.00 |
| vs. Ranked (AP) | 5 | 4 | 2 | 50.00 |
| vs. Unranked (AP) | 8 | 13 | 4 | 30.77 |
| vs. FBS (I-A) | 13 | 17 | 6 | 35.29 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - |
| vs. FBS Winning | 7 | 7 | 3 | 42.86 |
| vs. FBS Non-Winning | 6 | 10 | 3 | 30.00 |
| vs. FBS Power 5 | 11 | 15 | 5 | 33.33 |
| vs. FBS non-Power 5 | 2 | 2 | 1 | 50.00 |
| in August/September | 4 | 7 | 3 | 42.86 |
| in October | 4 | 5 | 3 | 60.00 |
| in November | 4 | 4 | 0 | 0.00 |
| in December/January | 1 | 1 | 0 | 0.00 |