2015 Illinois Fighting Illini Total Defense Split Stats through 01/11/2016
| Split | G | Rush Yards | Pass Yards | Plays | Total Yards | Yards/Play | Yards/G |
|---|---|---|---|---|---|---|---|
| All Games | 12 | 1997 | 2213 | 860 | 4210 | 4.90 | 350.8 |
| at Home | 6 | 797 | 1108 | 433 | 1905 | 4.40 | 317.5 |
| on Road/Neutral Site | 6 | 1200 | 1105 | 427 | 2305 | 5.40 | 384.2 |
| in Wins | 5 | 465 | 844 | 353 | 1309 | 3.71 | 261.8 |
| in Losses | 7 | 1532 | 1369 | 507 | 2901 | 5.72 | 414.4 |
| vs. Conference | 8 | 1554 | 1431 | 584 | 2985 | 5.11 | 373.1 |
| vs. Non-Conference | 4 | 443 | 782 | 276 | 1225 | 4.44 | 306.3 |
| vs. Ranked (AP) | 5 | 1157 | 1001 | 379 | 2158 | 5.69 | 431.6 |
| vs. Unranked (AP) | 7 | 840 | 1212 | 481 | 2052 | 4.27 | 293.1 |
| vs. FBS (I-A) | 11 | 1905 | 2164 | 806 | 4069 | 5.05 | 369.9 |
| vs. FCS (I-AA) | 1 | 92 | 49 | 54 | 141 | 2.61 | 141.0 |
| vs. FBS Winning | 7 | 1315 | 1611 | 529 | 2926 | 5.53 | 418.0 |
| vs. FBS Non-Winning | 4 | 590 | 553 | 277 | 1143 | 4.13 | 285.8 |
| vs. FBS Power 5 | 9 | 1808 | 1648 | 647 | 3456 | 5.34 | 384.0 |
| vs. FBS non-Power 5 | 2 | 97 | 516 | 159 | 613 | 3.86 | 306.5 |
| in August/September | 4 | 443 | 782 | 276 | 1225 | 4.44 | 306.3 |
| in October | 4 | 723 | 866 | 297 | 1589 | 5.35 | 397.3 |
| in November | 4 | 831 | 565 | 287 | 1396 | 4.86 | 349.0 |
| in December/January | 0 | 0 | 0 | 0 | 0 | - | - |