2021 Northern Illinois Huskies Opponent First Down Split Stats through 01/10/2022
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 14 | 158 | 137 | 14 | 309 |
| at Home | 6 | 56 | 59 | 5 | 120 |
| on Road/Neutral Site | 8 | 102 | 78 | 9 | 189 |
| in Wins | 9 | 83 | 82 | 10 | 175 |
| in Losses | 5 | 75 | 55 | 4 | 134 |
| vs. Conference | 9 | 96 | 91 | 10 | 197 |
| vs. Non-Conference | 5 | 62 | 46 | 4 | 112 |
| vs. Ranked (AP) | 1 | 18 | 9 | 1 | 28 |
| vs. Unranked (AP) | 13 | 140 | 128 | 13 | 281 |
| vs. FBS (I-A) | 13 | 153 | 129 | 14 | 296 |
| vs. FCS (I-AA) | 1 | 5 | 8 | 0 | 13 |
| vs. FBS Winning | 7 | 74 | 81 | 8 | 163 |
| vs. FBS Non-Winning | 6 | 79 | 48 | 6 | 133 |
| vs. FBS Power 5 | 2 | 34 | 16 | 3 | 53 |
| vs. FBS non-Power 5 | 11 | 119 | 113 | 11 | 243 |
| in August/September | 4 | 53 | 33 | 4 | 90 |
| in October | 4 | 25 | 46 | 6 | 77 |
| in November | 4 | 58 | 35 | 3 | 96 |
| in December/January | 2 | 22 | 23 | 1 | 46 |