2021 BYU Cougars Opponent First Down Split Stats through 01/10/2022
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 13 | 118 | 145 | 17 | 280 |
| at Home | 6 | 52 | 56 | 11 | 119 |
| on Road/Neutral Site | 7 | 66 | 89 | 6 | 161 |
| in Wins | 10 | 81 | 117 | 13 | 211 |
| in Losses | 3 | 37 | 28 | 4 | 69 |
| vs. Conference | 0 | 0 | 0 | 0 | 0 |
| vs. Non-Conference | 13 | 118 | 145 | 17 | 280 |
| vs. Ranked (AP) | 3 | 24 | 31 | 5 | 60 |
| vs. Unranked (AP) | 10 | 94 | 114 | 12 | 220 |
| vs. FBS (I-A) | 12 | 115 | 138 | 17 | 270 |
| vs. FCS (I-AA) | 1 | 3 | 7 | 0 | 10 |
| vs. FBS Winning | 7 | 61 | 76 | 9 | 146 |
| vs. FBS Non-Winning | 5 | 54 | 62 | 8 | 124 |
| vs. FBS Power 5 | 7 | 65 | 86 | 7 | 158 |
| vs. FBS non-Power 5 | 5 | 50 | 52 | 10 | 112 |
| in August/September | 4 | 38 | 40 | 6 | 84 |
| in October | 5 | 43 | 66 | 8 | 117 |
| in November | 3 | 25 | 28 | 3 | 56 |
| in December/January | 1 | 12 | 11 | 0 | 23 |