FILE - In this Jan. 29, 2015, file photo, NFL Players Association Executive Director DeMaurice Smith speaks during a news conference for NFL Super Bowl XLIX football game, in Phoenix. Leaders from the NFL and NHL players associations have contributed to unveiling a universal declaration of player rights. Among the 17 articles laid out in the declaration are rights to unionize and collectively bargain, express opinions freely and receive equal pay for equal work. The declaration was made by the World Players Association on Thursday, Dec. 14, 2017. (AP Photo/David J. Phillip, File) **FILE**
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