49ers' abundance of retired numbers added to laundry list of problems | RSN
Retired Numbers and Honored Jerseys - University of Michigan Athletics
A Rough History of Football's Retired Shirt Numbers | Complex UK
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Notre Dame Football: Jersey Number Countdown - 4 - One Foot Down
10 legendary footballers whose jersey numbers were retired
Retired number - Wikipedia
10 Tennessee Vols who need their jersey numbers retired
Soccer jersey numbers: a Bundesliga explainer | Bundesliga
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10 unwritten rules for not screwing up your NFL jersey number - SBNation.com
List of retired numbers in association football - Wikipedia
NFL Relaxes Restrictions on Jersey Numbers - The New York Times
12 shirt numbers that have been retired for strange, sad and symbolic reasons
4 legendary jersey numbers the Raiders should retire
What Are The Most Retired Numbers in Sports | Remember The GOATS
NFL teams should stop retiring jersey numbers - Sports Illustrated
Clemson football: 4 jersey numbers should be considered for retirement
The jersey that every NFL team will retire next (we think) | Touchdown Wire
Retired and revered SEC jersey numbers
WFT to retire Sean Taylor's number, is criticized for event's timing - AS.com
Pittsburgh Steelers retired numbers - NFL
List of National Football League retired numbers - Wikiwand
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Eagles Question of the Day: How do you feel about the team's unofficial retired jersey numbers? - Bleeding Green Nation
Brett Favre's number will be retired by the Packers ... eventually - Los Angeles Times
