2021 San Diego State Aztecs Opponent First Down Split Stats through 01/10/2022
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 14 | 71 | 141 | 33 | 245 |
| at Home | 8 | 39 | 97 | 16 | 152 |
| on Road/Neutral Site | 6 | 32 | 44 | 17 | 93 |
| in Wins | 12 | 55 | 117 | 26 | 198 |
| in Losses | 2 | 16 | 24 | 7 | 47 |
| vs. Conference | 9 | 54 | 89 | 18 | 161 |
| vs. Non-Conference | 5 | 17 | 52 | 15 | 84 |
| vs. Ranked (AP) | 2 | 9 | 28 | 7 | 44 |
| vs. Unranked (AP) | 12 | 62 | 113 | 26 | 201 |
| vs. FBS (I-A) | 13 | 69 | 133 | 31 | 233 |
| vs. FCS (I-AA) | 1 | 2 | 8 | 2 | 12 |
| vs. FBS Winning | 7 | 43 | 81 | 19 | 143 |
| vs. FBS Non-Winning | 6 | 26 | 52 | 12 | 90 |
| vs. FBS Power 5 | 2 | 5 | 19 | 6 | 30 |
| vs. FBS non-Power 5 | 11 | 64 | 114 | 25 | 203 |
| in August/September | 4 | 11 | 43 | 9 | 63 |
| in October | 4 | 34 | 26 | 9 | 69 |
| in November | 4 | 14 | 50 | 5 | 69 |
| in December/January | 2 | 12 | 22 | 10 | 44 |