Armen Gilliam had a heart attack and collapsed while playing in a pickup basketball game at LA Fitness in Collier Township on Wednesday evening.
Gilliam was rushed to a local hospital where he was pronounced dead.
Gilliam starred on the No. 1-ranked UNLV Runnin' Rebels team that won a record 38 games and went to the Final Four of the NCAA Tournament in 1987.
He was the No. 2 overall pick in the 1987 NBA Draft by the Suns and retired in 2000.