2021 Purdue Boilermakers First Down Split Stats through 01/10/2022
| Split | G | Rush | Pass | Penalty | Total |
|---|---|---|---|---|---|
| All Games | 13 | 66 | 221 | 26 | 313 |
| at Home | 6 | 28 | 103 | 9 | 140 |
| on Road/Neutral Site | 7 | 38 | 118 | 17 | 173 |
| in Wins | 9 | 51 | 150 | 20 | 221 |
| in Losses | 4 | 15 | 71 | 6 | 92 |
| vs. Conference | 9 | 40 | 158 | 16 | 214 |
| vs. Non-Conference | 4 | 26 | 63 | 10 | 99 |
| vs. Ranked (AP) | 4 | 13 | 80 | 7 | 100 |
| vs. Unranked (AP) | 9 | 53 | 141 | 19 | 213 |
| vs. FBS (I-A) | 13 | 66 | 221 | 26 | 313 |
| vs. FCS (I-AA) | 0 | 0 | 0 | 0 | 0 |
| vs. FBS Winning | 8 | 31 | 145 | 20 | 196 |
| vs. FBS Non-Winning | 5 | 35 | 76 | 6 | 117 |
| vs. FBS Power 5 | 11 | 51 | 189 | 25 | 265 |
| vs. FBS non-Power 5 | 2 | 15 | 32 | 1 | 48 |
| in August/September | 4 | 25 | 62 | 2 | 89 |
| in October | 4 | 17 | 68 | 8 | 93 |
| in November | 4 | 20 | 76 | 8 | 104 |
| in December/January | 1 | 4 | 15 | 8 | 27 |