Nfl

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Cleveland Browns quarterback Vince Young throws during a voluntary minicamp workout at the team's NFL football training facility in Berea, Ohio Tuesday, April 29, 2014. (AP Photo/Mark Duncan)

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ADVANCE FORN WEEKEND EDITIONS, APRIL 26-27 - FILE - In this April 2, 2014 file photo, South Carolina defensive end Jadeveon Clowney talks to the media after he competed in a drill for NFL representatives at South Carolina football pro day in Columbia, S.C. Get ready NFL quarterbacks, Jadeveon Clowney's coming. The 6-5, 266-pound defensive end who was the best at his spot in high school and college is ready to find out where he'll start his NFL career. (AP Photo/Mary Ann Chastain, File)

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Team Penske President Tim Cindric, left, Helio Castroneves, of Brazil, talk with former NFL quarterback Joe Namath, right, at the Indy Grand Prix of Alabama auto race on Sunday, April 27, 2014, in Birmingham, Ala. (AP Photo/Butch Dill)

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FILE -This Jan. 31, 2014 file photo, shows former NFL football player Troy Vincent in New York. Vincent, the new director of football operations, can see in the NFL's future a developmental league, an eighth official on the field for games, and coaches using tablets on the sidelines to call plays, he said in an interview Friday, April 25, 2014. Vincent, president of the players' union, recently replaced Ray Anderson, who left the league to become athletic director at Arizona State. (AP Photo/Matt Slocum, File)

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FILE - In this file photo taken Jan. 31, 2013, former NFL player Troy Vincent speaks during an NFL Player Health and Safety news conference in New Orleans. Vincent, the new director of football operations, can see in the NFL's future a developmental league, an eighth official on the field for games, and coaches using tablets on the sidelines to call plays, said in an interview Friday, April 25, 2014. Vincent, president of the players' union, recently replaced Ray Anderson, who left the league to become athletic director at Arizona State. (AP Photo/Doug Benc, file)

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Tampa Bay Buccaneers guard Carl Nicks stands by as linemen work during a voluntary NFL minicamp football practice Tuesday, April 22, 2014, in Tampa, Fla. (AP Photo/Chris O'Meara)

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Tampa Bay Buccaneers guard Carl Nicks, front, walks to the practice field with teammates during a voluntary minicamp NFL football practice Wednesday, April 23, 2014, in Tampa, Fla. (AP Photo/Chris O'Meara)