Nfl

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In this photo provided by the Denver Broncos, quarterback Peyton Manning, right, and other offensive players work during the first phase of the offseason training program at the NFL football teams training facility in Englewood, Colo., on Monday, April 21, 2014. (AP Photo/Denver Broncos, Eric Lars Bakke)

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Denver Broncos quarterback Peyton Manning talks to the media after working out at the NFL football teams training facility in Englewood, Colo., on Monday, April 21, 2014. (AP Photo/Ed Andrieski)

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Denver Broncos quarterback Peyton Manning talks to the media after working out at the NFL football teams training facility in Englewood, Colo., on Monday, April 21, 2014. (AP Photo/Ed Andrieski)

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FILE - In this Oct. 20, 2013, file photo, Tennessee Titans running back Chris Johnson (28) runs ahead of San Francisco 49ers defenders Demarcus Dobbs (83) and NaVorro Bowman (53) on a touchdown reception in an NFL football game in Nashville, Tenn. The New York Jets signed the former Titans running back Wednesday, April 16, a little over a week after he was officially released by Tennessee on April 7. (AP Photo/Wade Payne, File)

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FILE - This Feb. 20, 2014 file photo shows former NFL safety Darren Sharper appearing in Los Angeles Superior Court in Los Angeles. Lawyers for former NFL All-Pro safety Darren Sharper will return to a Phoenix courtroom Thursday April 17, 2014 to question the evidence being used to keep him in jail without bail on charges that he drugged and sexually assaulted two women. (AP Photo/Los Angeles Times, Bob Chamberlin, Pool, File)