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Dallas Cowboys center Travis Frederick at training camp in Oxnard, Calif., on Friday, July 25, 2014. (Photo by Ron T. Ennis/Fort Worth Star-Telegram/MCT/Sipa USA Stock Photo - Alamy
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Cowboys Pro-Bowl C Travis Frederick announces retirement
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Dallas Cowboys center Travis Frederick has neurological disorder
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Rookie hazing? Travis Frederick says new 'Legion of Room' members are safe, focused on OTAs
Dallas Cowboys' Center Travis Frederick Announces Retirement
