Retired Uniform Numbers in the American League
NHL Numbers That Never Should Have Been Retired, News, Scores, Highlights, Stats, and Rumors
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore Them
Yankees Retired Numbers
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Da Greats: Retired Chicago Bears Jersey Numbers - The Chicago Audible
List of Major League Baseball retired numbers - Wikipedia
Da Greats: Retired Chicago Bears Jersey Numbers - The Chicago Audible
Retired number - Wikipedia
Every MLB team's retired numbers – NBC Sports Chicago
On the Yankees, retired numbers and a solution in search of a problem