Nfl

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Pittsburgh Steelers quarterback Ben Roethlisberger, left, talks with former Buffalo Bills quarterback Jim Kelly before an NFL football game between the Pittsburgh Steelers and the Buffalo Bills, Sunday, Nov. 10, 2013, in Pittsburgh. (AP Photo/Gene J. Puskar)

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Dallas Cowboys defensive tackle Jason Hatcher (97) during the second half of an NFL football game against the Oakland Raiders Thursday, Nov. 28, 2013, in Arlington, Texas. (AP Photo/Tim Sharp)

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Houston Texans' Owen Daniels (81) celebrates a touchdown against the Buffalo Bills in the first quarter of an NFL football game on Sunday, Nov. 4, 2012, in Houston. (AP Photo/Dave Einsel)

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Houston Texans' Owen Daniels (81) makes a catch ahead of Jacksonville Jaguars' Derek Cox (21) during the second quarter of an NFL football game, Sunday, Nov. 18, 2012, in Houston. (AP Photo/Patric Schneider)

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FILE - In this Dec. 29, 2013, file photo, New York Giants defensive end Justin Tuck, right, sacks Washington Redskins' Kirk Cousins (12) during the first half of an NFL football game in East Rutherford, N.J. Tuck signed with the Oakland Raiders. (AP Photo/Julio Cortez, File)

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Oklahoma State's Daytawion Lowe catches a pass during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State's Justin Gilbert catches a pass during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State cornerback Justin Gilbert participates in a drill during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State wide receiver Josh Stewart carries his son, 16-month old Kayson Young, following Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State wide receiver Tracy Moore participates in a drill during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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NFL scouts watch as Oklahoma State quarterback Clint Chelf participates in a drill during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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NFL scouts watch as Oklahoma State defensive tackle Calvin Barnett runs during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State wide receiver Josh Stewart catches a pass during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State's Zack Craig catches a pass during pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State cornerback Justin Gilbert watches his teammates during Oklahoma State's pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)

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Oklahoma State wide receiver John Goodlett lifts weights during pro day for NFL scouts in Stillwater, Okla., Thursday, March 13, 2014. (AP Photo/Sue Ogrocki)