2018 BYU Cougars Total Defense Split Stats through 01/07/2019
| Split | G | Rush Yards | Pass Yards | Plays | Total Yards | Yards/Play | Yards/G |
|---|---|---|---|---|---|---|---|
| All Games | 13 | 1691 | 2522 | 891 | 4213 | 4.73 | 324.1 |
| at Home | 6 | 663 | 1145 | 407 | 1808 | 4.44 | 301.3 |
| on Road/Neutral Site | 7 | 1028 | 1377 | 484 | 2405 | 4.97 | 343.6 |
| in Wins | 7 | 757 | 1391 | 492 | 2148 | 4.37 | 306.9 |
| in Losses | 6 | 934 | 1131 | 399 | 2065 | 5.18 | 344.2 |
| vs. Conference | 2 | 150 | 447 | 156 | 597 | 3.83 | 298.5 |
| vs. Non-Conference | 11 | 1541 | 2075 | 735 | 3616 | 4.92 | 328.7 |
| vs. Ranked (AP) | 3 | 523 | 656 | 204 | 1179 | 5.78 | 393.0 |
| vs. Unranked (AP) | 10 | 1168 | 1866 | 687 | 3034 | 4.42 | 303.4 |
| vs. FBS (I-A) | 12 | 1618 | 2388 | 837 | 4006 | 4.79 | 333.8 |
| vs. FCS (I-AA) | 1 | 73 | 134 | 54 | 207 | 3.83 | 207.0 |
| vs. FBS Winning | 9 | 1339 | 1744 | 612 | 3083 | 5.04 | 342.6 |
| vs. FBS Non-Winning | 3 | 279 | 644 | 225 | 923 | 4.10 | 307.7 |
| vs. FBS Power 5 | 5 | 842 | 1024 | 340 | 1866 | 5.49 | 373.2 |
| vs. FBS non-Power 5 | 7 | 776 | 1364 | 497 | 2140 | 4.31 | 305.7 |
| in August/September | 5 | 760 | 1017 | 329 | 1777 | 5.40 | 355.4 |
| in October | 3 | 375 | 528 | 193 | 903 | 4.68 | 301.0 |
| in November | 4 | 418 | 802 | 293 | 1220 | 4.16 | 305.0 |
| in December/January | 1 | 138 | 175 | 76 | 313 | 4.12 | 313.0 |