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| Duration | October 15, 1989 | ||||||||||||
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| Arena(s) | Rizal Memorial Coliseum | ||||||||||||
| Winning coach | Derrick Pumaren | ||||||||||||
| TV network(s) | IBC-13 | ||||||||||||
The 1989 UAAP men's basketball tournament was the 52nd year of the men's tournament of the University Athletic Association of the Philippines (UAAP)'s basketball championship. De La Salle University won their first UAAP crown at the expense of FEU Tamaraws.