| Date | Opponent | Score | Result | Opp. Rating | Site | |
|---|---|---|---|---|---|---|
| 23-Nov-04 | vs Indiana St (154) | 56-52 | Won | 0.0267 | 0.2714 | |
| 27-Nov-04 | vs Western Illinois (246) | 64-60 | Won | -0.4943 | -0.0000 | |
| 01-Dec-04 | vs North Carolina (4) | 63-70 | Lost | 1.5443 | -0.2110 | |
| 04-Dec-04 | at Connecticut (14) | 69-74 | Lost | 1.3382 | -0.3582 | |
| 08-Dec-04 | vs Notre Dame (57) | 45-55 | Lost | 0.6886 | -1.0000 | |
| 11-Dec-04 | at Kentucky (11) | 58-73 | Lost | 1.4320 | -0.2643 | |
| 19-Dec-04 | at Missouri (72) | 53-56 | Lost | 0.6100 | -1.0000 | |
| 22-Dec-04 | vs Charlotte (32) | 73-74 | Lost | 0.9295 | -0.8258 | |
| 28-Dec-04 | vs Ball St (109) | 71-59 | Won | 0.3565 | 0.6012 | |
| 31-Dec-04 | vs Oral Roberts (93) | 69-68 | Won | 0.4378 | 0.6825 | |
| 02-Jan-05 | vs Furman (183) | 68-52 | Won | -0.1512 | 0.0935 | |
| 05-Jan-05 | at Northwestern (89) | 52-73 | Lost | 0.5170 | -1.0000 | |
| 08-Jan-05 | vs Wisconsin (16) | 74-61 | Won | 1.2482 | 1.0000 | |
| 15-Jan-05 | at Purdue (141) | 75-73 | Won | 0.1967 | 0.5003 | |
| 19-Jan-05 | vs Michigan (122) | 62-53 | Won | 0.2780 | 0.5227 | |
| 22-Jan-05 | vs Ohio State (53) | 67-60 | Won | 0.7122 | 0.9569 | |
| 26-Jan-05 | at Minnesota (33) | 65-70 | Lost | 0.9870 | -0.7093 | |
| 29-Jan-05 | at Iowa (24) | 57-72 | Lost | 1.1157 | -0.5807 | |
| 02-Feb-05 | vs Penn St (205) | 68-63 | Won | -0.2773 | -0.0000 | |
| 06-Feb-05 | at Illinois (1) | 47-60 | Lost | 2.0499 | 0.0000 | |
| 12-Feb-05 | vs Minnesota (33) | 71-56 | Won | 0.9281 | 1.0000 | |
| 15-Feb-05 | at Ohio State (53) | 44-57 | Lost | 0.7711 | -0.9253 | |
| 20-Feb-05 | at Michigan (122) | 70-63 | Won | 0.3369 | 0.6405 | |
| 22-Feb-05 | vs Purdue (141) | 79-62 | Won | 0.1377 | 0.3824 | |
| 27-Feb-05 | vs Michigan St (17) | 78-74 | Won | 1.2348 | 1.0000 | |
| 01-Mar-05 | at Wisconsin (16) | 60-62 | Lost | 1.3072 | -0.3892 | |
| 05-Mar-05 | vs Northwestern (89) | 77-55 | Won | 0.4581 | 0.7028 | |
| 11-Mar-05 | vs Minnesota (33) | 55-71 | Lost | 0.9281 | N | -0.7683 |
Games with an "N" site designation were played at a neutral site.
Opponent ratings colored red have had the home court advantage (0.0589) added to them.