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Arizona Cardinals Team History and Timeline - Sports Illustrated
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List of National Football League retired numbers
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List of NCAA football retired numbers - Wikipedia
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National Football League, American Football Wiki
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List of Algerian football players in foreign leagues - Wikipedia
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List of NCAA football retired numbers - Wikipedia
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List of National Football League retired numbers - Wikipedia
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List of defunct National Football League franchises - Wikipedia
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List of NCAA football retired numbers - Wikipedia
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Retired number - Wikipedia
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Uruguay national football team - Wikiwand
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Uniform number (American football) - Wikipedia
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List of NCAA football retired numbers - Wikipedia
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List of retired numbers in association football - Wikipedia
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List of NCAA men's basketball retired numbers - Wikipedia