Bill Russell
When Bill Russel ended his pro career, he had won 13 championships. Before he went to the Celtics, he put the University of San Francisco on the map, leading the school to championships in 1955 and 1956. Plus, he was a dangerous defender.
Hank Gathers
Hank was the second player in history to lead the nation in scoring and rebounding, which happened in 1988 and 1989. He was the greatest NBA prospect of the time, but tragedy struck. During a game, he collapsed and found out he had an abnormal heartbeat. He ended up passing away at 23.