How many teams in the NBA have retired number 23?

LeBron James will join this list of NBA players with numbers retired by multiple teams – NBC Los Angeles

Why are NBA players wearing No. 6 on their jerseys? – NBC Sports Boston

Basketball Tipoff - The Miami Heat retired Jordan's number 23 jersey in April 2003 to honor Jordan's achievements and contributions in basketball. The Heat is the only NBA team other than Chicago

Complete list of retired numbers in the NBA - AS USA

NBA players with two different numbers retired

Why are all NBA Players Wearing the Number 6? – SportsLogos.Net News

NBA players who currently wear untouchable Bill Russell's No. 6 jersey / News

Los Angeles Lakers Retired Numbers: NBA Legends And Superstars Wore Purple And Gold - Fadeaway World

LeBron James will switch back to jersey number 23 'out of respect' for the late Bill Russell

NBA -- Inside the numbers on the NBA's retired numbers - ESPN

LeBron James switching jersey from No. 6 to No. 23 — again

The retired numbers in Sacramento Kings franchise history

L.A. Lakers' LeBron James changing his jersey number - again - back to No. 23

Kings to retire Dustin Brown's No. 23, unveil statue next season

How many NBA players have numbers retired by multiple teams? Is Pau Gasol next? – NBC Sports Chicago