Retired Numbers, History

File:Miller Park Retired Numbers (4953172314).jpg - Wikimedia Commons

Da Greats: Retired Chicago Bears Jersey Numbers - The Chicago Audible

Every MLB team's retired numbers

File:New Jersey Devils retired numbers 27 3 4 in Feb 2013.jpg - Wikipedia

Shane Doan becomes first player in Coyotes history to have number retired

List of National Basketball Association retired numbers - Wikipedia

Future Retired Number Banner Concepts (NHL Added) - Concepts - Chris Creamer's Sports Logos Community - CCSLC - SportsLogos.Net Forums

Every MLB team's retired numbers

Infographic: Packers' retired numbers

Retired Jerseys, Los Angeles Lakers Lakers