Nfl

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Philadelphia Eagles quarterback Michael Vick leaves the field after suffering a concussion during the second quarter of an NFL football game against the Dallas Cowboys, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Philadelphia Daily News, Yong Kim) THE EVENING BULLETIN OUT, TV OUT; MAGS OUT; NO SALES

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Chicago Bears quarterback Jay Cutler (6) warms up before an NFL football game against the Houston Texans in Chicago, Sunday, Nov. 11, 2012. (AP Photo/Nam Y. Huh)

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Green Bay Packers outside linebacker Clay Matthews chases down Jacksonville Jaguars running back Rashad Jennings during the first half of an NFL football game Sunday, Oct. 28, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

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** FILE ** Philadelphia Eagles head coach Andy Reid yells to his team in the first half of an NFL football game against the Dallas Cowboys, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)

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Kansas City Chiefs quarterback Matt Cassel (7) warms up before an NFL football game against the Pittsburgh Steelers, Monday, Nov. 12, 2012, in Pittsburgh. (AP Photo/Don Wright)

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Philadelphia Eagles quarterback Nick Foles, left, passes as Dallas Cowboys outside linebacker DeMarcus Ware pressures in the first half of an NFL football game, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)

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Philadelphia Eagles quarterback Nick Foles passes in the first half of an NFL football game against the Dallas Cowboys, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)