Nfl

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Tampa Bay Buccaneers linebacker Adam Hayward yells after warming up before an NFL football game against the Chicago Bears Sunday, Oct. 23, 2011, at Wembley Stadium in London. (AP Photo/Matt Dunham)

Tampa Bay Buccaneers linebacker Adam Hayward (57) tackles Washington Redskins wide receiver Brandon Banks (16) during the first half of an NFL football game in Landover, Md., Sunday, Dec. 12, 2010. (AP Photo/Rob Carr)

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Houston Texans defensive end Antonio Smith points during a break in play in the first half of an NFL football game against the Baltimore Ravens, Sunday, Sept. 22, 2013, in Baltimore. (AP Photo/Nick Wass)

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Houston Texans defensive end Antonio Smith waits for the start of an AFC divisional playoff NFL football game against the New England Patriots in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Charles Krupa)

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Baltimore Ravens cornerback Corey Graham reacts to a play during the first half of an NFL football game against the New York Jets in Baltimore, Md., Sunday, Nov. 24, 2013. (AP Photo/Nick Wass)

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Baltimore Ravens cornerback Corey Graham returns an interception for a touchdown against the Denver Broncos in the first quarter of an AFC divisional playoff NFL football game, Saturday, Jan. 12, 2013, in Denver. (AP Photo/Joe Mahoney)

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Detroit Lions defensive tackle Ndamukong Suh (90) tries to rush past Cleveland Browns guard Shawn Lauvao in the third quarter of an NFL football game Sunday, Oct. 13, 2013 in Cleveland. (AP Photo/David Richard)

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Cleveland Browns guard Shawn Lauvao in an NFL football game against the Carolina Panthers Sunday, Nov. 28, 2010, in Cleveland. (AP Photo/Tony Dejak)

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New Orleans Saints free safety Malcolm Jenkins (27) breaks up a pass intended for Arizona Cardinals wide receiver Larry Fitzgerald (11) in the second half of an NFL football game in New Orleans, Sunday, Sept. 22, 2013. (AP Photo/Bill Feig)

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Buffalo Bills free safety Jairus Byrd (31) returns an interception against the New York Jets during the first half of an NFL football game on Sunday, Nov. 17, 2013, in Orchard Park, N.Y. (AP Photo/Heather Ainsworth)

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Miami Dolphins wide receiver Rishard Matthews (86) is knocked to the ground by Buffalo Bills free safety Jairus Byrd (31) after making a catch in the first half of an NFL football game on Sunday, Dec. 23, 2012, in Miami. (AP Photo/John Bazemore)