Retired Numbers, History
MLB Retired Numbers: An Overview
Tigers' retired numbers
Da Greats: Retired Chicago Bears Jersey Numbers - The Chicago Audible
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File:49ers retired numbers at Candlestick Park 2010-08.JPG
Celtics' bland retired number banners are unworthy of the
Lot Detail - Chicago Blackhawks Retired Numbers Banner Frame
A number of nuggets about retired numbers around the Major League
Retired Jerseys - BYU Athletics - Official Athletics Website - BYU
Houston Astros: Top 30 players in franchise history - Page 28
Retired Uniform Numbers in the American League
Bill Russell: First player in NBA history to have his number