 | | Saint Louis | 92 | | 10-7 |  | | Marquette | 82 | | 7-10 | | Mar 7, 1991 | |  | | Evansville | 59 | | 7-7 |  | | Dayton | 71 | | 0-0 | | Mar 7, 1991 | |  | | Xavier | 66 | | 14-3 |  | | Detroit Mercy | 59 | | 2-13 | | Mar 7, 1991 | |  | | Loyola Chicago | 75 | | 4-12 |  | | Butler | 62 | | 11-5 | | Mar 7, 1991 | |
| | | Xavier | 90 | | 14-3 | | | Dayton | 71 | | 0-0 | | Mar 8, 1991 | | | | Saint Louis | 89 | | 10-7 | | | Loyola Chicago | 78 | | 4-12 | | Mar 8, 1991 | |
| | | Xavier | 81 | | 14-3 | | | Saint Louis | 65 | | 10-7 | | Mar 9, 1991 | |
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