Bill Russell: First player in NBA history to have his number retired from all teams
Bill Russell's No. 6 jersey retired across NBA, a first for league
NBA retires Bill Russell's jersey, Richmond Free Press
LeBron James can still wear No. 6 despite jersey retirement
NBA to retire Bill Russell's No. 6 jersey
Bill Russell jersey retirement: NBA players currently wearing No. 6
NBA will retire the No. 6 jersey across the league in honor of Celtic legend Bill Russell
Heat's plan for LeBron James' No. 6 after NBA retires Bill Russell's No. 6
Boston Celtics legend Bill Russell to have number retired across NBA
NBA retires legend's jersey number in league-first
LeBron James leaves number 6, returns to his iconic 23 out of respect for Bill Russell