Top 10 Most Retired Numbers in Baseball
Bill Russell's No. 6 Joins Rare Class of Retired Jersey Numbers - The New York Times
Retired number - Wikipedia
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
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Which pro sports teams have the most retired numbers?
The Greatest MLB Players of All Time to Wear Each Number from 1 to 50, News, Scores, Highlights, Stats, and Rumors
Why don't the Miami Marlins have any retired numbers?
As cases for Roy Halladay and Dick Allen point out, baseball's retired numbers are multiplying
Rich tradition of retired numbers part of game's legacy
Next retired number for every MLB team
Top 100 MLB players of all time - Nos. 25-1 - ESPN
Twins to retire number for Hall of Fame-elected Kaat - NBC Sports
Retired numbers in Phillies team history Phillies Nation - Your source for Philadelphia Phillies news, opinion, history, rumors, events, and other fun stuff.
Every MLB team's retired numbers
Top 10 Most Retired Numbers in Baseball
10 Greatest Baseball Players of All Time