History of retired numbers dates back to Lou Gehrig Day
Every MLB team's retired numbers
Lakers News: First Great Lakers Center Will Have Jersey Posthumously Retired - All Lakers
List of National Football League retired numbers - Wikipedia
Bill Russell gets Miami Heat No. 6 honor before LeBron James
NBA Teams With the Most Retired Numbers
Infographic: Packers' retired numbers
Rick Nash's No. 61 deserves spot in rafters of Nationwide Arena
Canadiens' Retired Jerseys - the Story of a Famed Franchise
Retired number - Wikipedia
Every NBA Team's Retired Numbers - Fadeaway World
Most iconic NBA numbers: #34 – Shaquille O'Neal, Charles Barkley, Hakeem Olajuwon, NBA News
How Many Jersey Numbers have been Retired in the NFL?
A number of nuggets about retired numbers around the Major League