LeBron James changing back to No. 23 in honor of Bill Russell
LeBron James will reportedly change back to No. 6 jersey following 'Space Jam' release
LeBron James eyes history as NBA scoring record within reach, Basketball News
Why NCAA Basketball Players Can't Wear Digits 6 Through 9
Number (sports) - Wikipedia
NBA jerseys: Ranking the 30 greatest in history - Sports Illustrated
Bulls' Alex Caruso can't change uniform number to honor Bill Russell - Chicago Sun-Times
NBA will retire the No. 6 jersey across the league in honor of Celtic legend Bill Russell
NBA players who currently wear No. 6 jersey
Bronny James honours dad LeBron as he decides USC jersey number - Mirror Online
NBA unveils No. 6 patch to honor Bill Russell across league - Los Angeles Times