Retired Uniform Numbers in the National League
Southern California teams' retired numbers – Orange County Register
Bill Russell gets Miami Heat No. 6 honor before LeBron James
Derek Jeter's No. 2, Last of Yankees' Single Digits, to Be Retired - The New York Times
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Rich tradition of retired numbers part of game's legacy
Which pro sports teams have the most retired numbers?
UCLA honors Jackie Robinson by retiring number 42 across all sports
MLB allows more players to wear No. 21 to honor Roberto Clemente – NBC Sports Chicago
Retired Uniform Numbers in the National League
Lakers News: First Great Lakers Center Will Have Jersey Posthumously Retired - All Lakers
Power of Derek Jeter's No. 2 - MLB's most productive jersey numbers