Bill Russell's No 6 jersey retired across NBA, in 1st for league
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers
NBA retires Celtics' legend Bill Russell's No. 6 jersey across
Heat's plan for LeBron James' No. 6 after NBA retires Bill
Bill Russell's No. 6 Jersey First Ever To Be Retired Across Entire NBA
NBA to permanently retire Bill Russell's No. 6 league-wide - The
Lakers News: LeBron James Plans To Honor Bill Russell's Legacy By
List of National Basketball Association retired numbers - Wikipedia
NBA to retire Bill Russell's No. 6 throughout the league - Golden
NBA unveils No. 6 patch to honor Bill Russell across league