2018 USC Trojans Opponent First Down Split Stats through 01/07/2019
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 12 | 94 | 128 | 24 | 246 |
| at Home | 6 | 44 | 59 | 9 | 112 |
| on Road/Neutral Site | 6 | 50 | 69 | 15 | 134 |
| in Wins | 5 | 32 | 57 | 13 | 102 |
| in Losses | 7 | 62 | 71 | 11 | 144 |
| vs. Conference | 9 | 65 | 97 | 19 | 181 |
| vs. Non-Conference | 3 | 29 | 31 | 5 | 65 |
| vs. Ranked (AP) | 3 | 20 | 46 | 6 | 72 |
| vs. Unranked (AP) | 9 | 74 | 82 | 18 | 174 |
| vs. FBS (I-A) | 12 | 94 | 128 | 24 | 246 |
| vs. FCS (I-AA) | 0 | 0 | 0 | 0 | 0 |
| vs. FBS Winning | 7 | 54 | 80 | 9 | 143 |
| vs. FBS Non-Winning | 5 | 40 | 48 | 15 | 103 |
| vs. FBS Power 5 | 10 | 75 | 108 | 23 | 206 |
| vs. FBS non-Power 5 | 2 | 19 | 20 | 1 | 40 |
| in August/September | 5 | 35 | 53 | 11 | 99 |
| in October | 3 | 33 | 26 | 5 | 64 |
| in November | 4 | 26 | 49 | 8 | 83 |
| in December/January | 0 | 0 | 0 | 0 | 0 |