The NBA has announced that Global Ambassador and Naismith Basketball Hall of Famer Dikembe Mutombo dies the age of 58 from brain cancer. He was surrounded by his family.

“Dikembe Mutombo was simply larger than life,” NBA commissioner Adam Silver said in a statement, posted on social media.

“On the court, he was one of the greatest shot blockers and defensive players in the history of the NBA. Off the floor, he poured his heart and soul into helping others.”