Player-coach Bill Russell (6) of the Boston Celtics sinks a hook
Celtics Legend Bill Russell's No. 6 Jersey to Be Permanently
NBA permanently retires Bill Russell's No. 6 - The Washington Post
LeBron James will join this list of NBA players with numbers
NBA to retire Bill Russell's number league-wide: Which current NBA
NBA to Retire Late Celtics Legend Bill Russell's No. 6 Jersey
This Date in NBA History (June 30): Bill Russell announces his
Bill Russell's No. 6 to be retired across NBA following legend's
Bill Russell's No. 6 Jersey First Ever To Be Retired Across Entire NBA