2018 Purdue Boilermakers Fourth Down Conversion Defense Split Stats through 01/07/2019
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 13 | 25 | 14 | 56.00 |
| at Home | 7 | 13 | 9 | 69.23 |
| on Road/Neutral Site | 6 | 12 | 5 | 41.67 |
| in Wins | 6 | 12 | 5 | 41.67 |
| in Losses | 7 | 13 | 9 | 69.23 |
| vs. Conference | 9 | 13 | 5 | 38.46 |
| vs. Non-Conference | 4 | 12 | 9 | 75.00 |
| vs. Ranked (AP) | 3 | 6 | 4 | 66.67 |
| vs. Unranked (AP) | 10 | 19 | 10 | 52.63 |
| vs. FBS (I-A) | 13 | 25 | 14 | 56.00 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - |
| vs. FBS Winning | 10 | 19 | 13 | 68.42 |
| vs. FBS Non-Winning | 3 | 6 | 1 | 16.67 |
| vs. FBS Power 5 | 12 | 23 | 13 | 56.52 |
| vs. FBS non-Power 5 | 1 | 2 | 1 | 50.00 |
| in August/September | 5 | 12 | 6 | 50.00 |
| in October | 3 | 4 | 2 | 50.00 |
| in November | 4 | 4 | 2 | 50.00 |
| in December/January | 1 | 5 | 4 | 80.00 |