What is the No. 6 patch on NBA uniforms? How league is honoring Celtics legend Bill Russell on jerseys
Bill Russell: Remembering the greatest winner in sports - Sports Illustrated
How the Boston Celtics and NBA will honor Bill Russell
Bill Russell's No. 6 being retired across NBA, a 1st for league
How the Boston Celtics and NBA will honor Bill Russell
Bill Russell, 11-time NBA champion, Boston Celtics legend and all-time defensive great, dies
Bill Russell tribute: NBA to retire the No. 6 league-wide in honor of Celtics legend - DraftKings Network
Clover on NBA courts, explained: How all 30 teams are honoring Celtics legend Bill Russell
Bill Russell - Wikipedia