 | | Northern Illinois | 79 | | 12-7 |  | | Bowling Green | 72 | | 10-7 | | Mar 3, 1981 | |  | | Ohio | 70 | | 6-11 |  | | Ball St. | 85 | | 13-6 | | Mar 3, 1981 | |  | | Eastern Michigan | 88 | | 8-9 |  | | Toledo | 95 | | 12-7 | | Mar 3, 1981 | |
|  | | Toledo | 77 | | 12-7 |  | | Ball St. | 79 | | 13-6 | | Mar 4, 1981 | |  | | Western Michigan | 73 | | 10-8 |  | | Northern Illinois | 75 | | 12-7 | | Mar 4, 1981 | |
|  | | Western Michigan | 65 | | 10-8 |  | | Toledo | 71 | | 12-7 | | Mar 5, 1981 | |  | | Northern Illinois | 66 | | 12-7 |  | | Ball St. | 79 | | 13-6 | | Mar 5, 1981 | |
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