Nfl

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Detroit Lions running back Montell Owens, center, runs through drills at the NFL football team's training facility in Allen Park, Mich., Tuesday, April 22, 2014. (AP Photo/Carlos Osorio)

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Tampa Bay Buccaneers tight end Luke Stocker, right, runs past safety Kelcie McCray (35) after a reception during a voluntary minicamp NFL football practice Tuesday, April 22, 2014, in Tampa, Fla. (AP Photo/Chris O'Meara)

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Tampa Bay Buccaneers wide receiver Vincent Jackson cuts around a blocking dummy during a voluntary minicamp NFL football practice Tuesday, April 22, 2014, in Tampa, Fla. (AP Photo/Chris O'Meara)

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New Tampa Bay Buccaneers head coach Lovie Smith walks during a voluntary NFL football minicamp practice Tuesday, April 22, 2014, in Tampa, Fla. (AP Photo/Chris O'Meara)

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Oakland Raiders wide receiver James Jones answers questions during an NFL football news conference on Tuesday, April 22, 2014, in Alameda, Calif. (AP Photo/Marcio Jose Sanchez)

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Oakland Raiders wide receiver James Jones answers questions during an NFL football news conference on Tuesday, April 22, 2014, in Alameda, Calif. (AP Photo/Marcio Jose Sanchez)