The university confirms that Pope collapsed late Wednesday afternoon while working out for the upcoming NBA draft, which he has entered.
The university did not release information about Pope's condition Thursday.
After the incident, Seton Hall would only say a student-athlete fell ill and was taken to a hospital. Assistant athletic director Matt Sweeney cited privacy laws in not identifying Pope or commenting on his condition on Wednesday.
Pope, who averaged 11.5 points and led the Big East by averaging 10.7 rebounds, declared for the draft shortly after the season ended in March. But he has not hired an agent. He has to withdraw his name from the draft by June 14 if he wants to return to school and play for new coach Kevin Willard.
Pope's season ended horribly. He was ejected in Seton Hall's NIT loss to Texas Tech for twice punching Darko Cohadarevic below the waist. Pope maintained the Red Raiders player elbowed him in the head before he retaliated.
The Aliquippa, Pa., native transferred to Seton Hall from New Mexico State. The 2009-10 season was his first with the Pirates.
Shortly after the season ended, Bobby Gonzalez was fired as Seton Hall's coach. Gonzalez has since sued the university, claiming he was fired without cause and is owed two years' salary under terms of his contract.
Information from The Associated Press was used in this report.