No. 5 on the list is Billy Cunningham, who excelled as a player and coach. Why he’s important: Won championships with the Sixers as a player (in 1966-67) and a coach (in 1982-83).

It was Billy Cunningham who stormed off the bus and tore the effigy down. Cunningham practically invented the term “double-double.” He averaged 24.8 points and 15.4 rebounds a game FOR HIS CAREER.