Retired Numbers, History
History of retired numbers dates back to Lou Gehrig Day
Retired Jerseys, Los Angeles Lakers Lakers
Orlando Magic need to honor history and retire jerseys
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The history - and expedience - of the Twins retiring jersey
The #Packers have retired only six - Green Bay Packers
File:Giants Retired Numbers.jpg - Wikimedia Commons
File:Miller Park Retired Numbers (4953172314).jpg - Wikimedia Commons
Retired Uniform Numbers in the American League
History of Celtics retired numbers - CelticsBlog
Every Yankees Retired Number
Yankees retired numbers and 23 legends who wore them
Retired numbers: Packers couldn't even get that right in the gory