History of retired numbers dates back to Lou Gehrig Day | Baseball Hall of Fame
Marlins' All-Time Retired Numbers | Miami Marlins
Retired Uniform Numbers in the American League | Baseball Almanac
Every MLB team's retired numbers
Every MLB team's retired numbers
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times
ARI/COL/SEA/TB/TOR/WSN Retired Numbers (Picture Click) Quiz - By Peacemaker
Retired Numbers | Seattle Mariners
MLB jersey numbers likely to be retired next
Yankees Retired Numbers | New York Yankees
Yankees Retired Numbers Quiz
Next retired number for every MLB team
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
Retired Numbers | Oakland Athletics
List of Major League Baseball retired numbers - Wikipedia
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Which pro sports teams have the most retired numbers? - SBNation.com
Rich tradition of retired numbers part of game's legacy | MLB.com
Red Sox Retired Numbers
Retired number - Wikipedia
Red Sox Retired Numbers
Every MLB team's retired numbers
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Dodgers retired numbers: Other players to wear uniforms before honor - True Blue LA
Major League Baseball: Top 10 Throwback Jerseys of All Time | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
Future MLB jersey numbers likely to be retired
The Coolest Throwback Jersey to Own for Each MLB Team | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
