| 8/31/2013 | Southern Illinois (7-5) | 34 | at | Illinois | 42 | MVC (1AA) | ||
| 9/7/2013 | Cincinnati (9-4) | 17 | at | Illinois | 45 | AAC | ||
| 9/14/2013 | Washington (9-4) | 34 | vs | Illinois | 24 | Chicago IL | P12 | |
| 9/28/2013 | Miami-Ohio (0-12) | 14 | at | Illinois | 50 | MAC | ||
| 10/5/2013 | Illinois | 19 | at | Nebraska (9-4,5-3) | 39 | |||
| 10/19/2013 | Wisconsin (9-4,6-2) | 56 | at | Illinois | 32 | |||
| 10/26/2013 | Michigan State (13-1,9-0) | 42 | at | Illinois | 3 | |||
| 11/2/2013 | Illinois | 17 | at | Penn State (7-5,4-4) | 24 | OT | ||
| 11/9/2013 | Illinois | 35 | at | Indiana (5-7,3-5) | 52 | |||
| 11/16/2013 | Ohio State (12-2,8-1) | 60 | at | Illinois | 35 | |||
| 11/23/2013 | Illinois | 20 | at | Purdue (1-11,0-8) | 16 | |||
| 11/30/2013 | Northwestern (5-7,1-7) | 37 | at | Illinois | 34 |
| vs Illinois | vs Other Opponents | Illinois compared to OOs | |
| Record: | 8-4 | 78-62 | |
| Points Scored: | 35.42 | 29.70 | -5.72 |
| Points Allowed: | 29.67 | 25.32 | 4.35 |
| Margin: | 5.75 | 4.38 | -1.37 |
| Total Points: | 65.09 | 55.02 | 10.07 |