UH 's Elvin Hayes sank two late free throws to break a 69 - 69 tie .
The Cougars held on for the historic win that drew 52,693 fans for the first basketball game at the Astrodome .
UH 's Elvin Hayes sank two late free throws to break a 69 - 69 tie and the Cougars held on for the historic win that drew 52,693 fans for the first basketball game at the Astrodome .