2018 USC Trojans Fourth Down Conversion Defense Split Stats through 01/07/2019
| Split | G | Attempts | Conversions | Conversion % |
|---|---|---|---|---|
| All Games | 12 | 21 | 13 | 61.90 |
| at Home | 6 | 12 | 8 | 66.67 |
| on Road/Neutral Site | 6 | 9 | 5 | 55.56 |
| in Wins | 5 | 15 | 9 | 60.00 |
| in Losses | 7 | 6 | 4 | 66.67 |
| vs. Conference | 9 | 16 | 10 | 62.50 |
| vs. Non-Conference | 3 | 5 | 3 | 60.00 |
| vs. Ranked (AP) | 3 | 6 | 5 | 83.33 |
| vs. Unranked (AP) | 9 | 15 | 8 | 53.33 |
| vs. FBS (I-A) | 12 | 21 | 13 | 61.90 |
| vs. FCS (I-AA) | 0 | 0 | 0 | - |
| vs. FBS Winning | 7 | 9 | 7 | 77.78 |
| vs. FBS Non-Winning | 5 | 12 | 6 | 50.00 |
| vs. FBS Power 5 | 10 | 17 | 11 | 64.71 |
| vs. FBS non-Power 5 | 2 | 4 | 2 | 50.00 |
| in August/September | 5 | 9 | 7 | 77.78 |
| in October | 3 | 6 | 3 | 50.00 |
| in November | 4 | 6 | 3 | 50.00 |
| in December/January | 0 | 0 | 0 | - |