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              FILE - In this May 2, 2014 file photo, Richard Dent is introduced before the inaugural Pro Football Hall of Fame Fan Fest at the International Exposition Center in Cleveland. A U.S. appeals court has revived a lawsuit against the NFL by former players, including Dent, who claim the league illegally plied them with powerful prescription painkillers to keep them on the field. (AP Photo/Mark Duncan, File)
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