What is Guillain-Barre syndrome? NFL player Travis Frederick's
Cowboys' Travis Frederick: What Is Guillain-Barré Syndrome?
With a new perspective on life after football, Cowboys C Travis
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Cowboys C Travis Frederick tries to be 'rock' for offensive line
Cowboys fire OL coach Alexander after less than half season
Dallas Cowboys center Travis Frederick out indefinitely after
Cowboys' All-Pro center Frederick retires, Sports
Frederick's retirement leaves Cowboys with questions to answer
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Cowboys' Travis Frederick retires, cites play after nerve disorder
Cowboys' Travis Frederick Announces Retirement at 29; Played 7 NFL