Retired Numbers, History
List of NCAA men's basketball retired numbers - Wikipedia
On the Yankees, retired numbers and a solution in search of a problem
History of retired numbers dates back to Lou Gehrig Day
MORE
File:Banks-Santo retired numbers.jpg - Wikipedia
Yankee Stadium: Monument Park - Retired Numbers - Mickey M…
All-time list of retired numbers in the NBA
On this date in Reds history, 7/8/1959, during the All-Star break
List of NCAA football retired numbers - Wikipedia
File:Los Angeles Kings - Retired Numbers of Superstars - Staples