FILE - In this July 25, 2011, file photo, NFLPA Executive Director DeMaurice Smith, left, and NFL football Commissioner Roger Goodell take part in a news conference at the NFL Players Association in Washington. A few years into Roger Goodell's tenure as NFL commissioner, a grad school professor polled students on who was the most effective leader in the major sports. Goodell romped. That was before the league locked out the players in 2011. (AP Photo/Carolyn Kaster, File)
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