Nfl

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ASSOCIATED PRESS Baltimore Ravens quarterback Joe Flacco (5) throws a pass to Ray Rice (27) in the first half of an NFL football game against the Carolina Panthers in Charlotte, N.C., Sunday, Nov. 21, 2010.

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Chicago Bears cornerback Charles Tillman, lower left, intercepts a ball intended for Miami Dolphins wide receiver Brandon Marshall (19) during the first quarter of an NFL football game, Thursday, Nov. 18, 2010, in Miami. (AP Photo/J.Pat Carter)

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FILE- In this Jan. 3, 2010, file photo, Arizona Cardinals quarterback Brian St. Pierre (2) drops back to pass against the Green Bay Packers during the second half on an NFL football game in Glendale, Ariz. St. Pierre has thrown five passes in eight NFL seasons. On Sunday, he'll start for the Carolina Panthers, who signed him to the practice squad last week. He was promoted to the 53-man roster on Tuesday, after injuries to QBs Matt Moore and Jimmy Clausen.(AP Photo/Paul Connors, File)

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Minnesota Vikings quarterback Brett Favre addresses the media during a news conference at the team's NFL football training facility in Eden Prairie, Minn. Wednesday, Nov. 17, 2010.(AP Photo/Andy King)

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New England Patriots football head coach Bill Belichick faces reporters during aN NFL football news conference at Gillette Stadium, in Foxborough, Mass., Wednesday, Nov. 17, 2010. (AP Photo/Steven Senne)

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FILE- This Nov. 14, 2010 file photo shows New York Jets quarterback Mark Sanchez looking for a receiver in an NFL football game against the Cleveland Browns in Cleveland. (AP Photo/Tony Dejak,File)

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FILE - In this Nov. 14, 2010, file photo, Pittsburgh Steelers kicker Jeff Reed (3) reacts after missing a field goal in the third quarter of an NFL football game against the New England Patriots in Pittsburgh. The Steelers cut Reed on Tuesday, Nov. 16, 2010. He began the season as one of the 10 most accurate kickers in NFL history but has been erratic all season. (AP Photo/Keith Srakocic, File)

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Denver Broncos running back Knowshon Moreno (27) jumps into the arms of offensive tackle Ryan Harris after scoring a touchdown on a 17-yard pass-reception during the first quarter of an NFL football game against the Kansas City Chiefs, Sunday, Nov. 14, 2010, in Denver. (AP Photo/ Ed Andrieski)

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New England Patriots quarterback Tom Brady (12) runs off the field after a 39-26 win over the Pittsburgh Steelers in an NFL football game in Pittsburgh, Sunday, Nov. 14, 2010. (AP Photo/Gene J. Puskar)

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ASSOCIATED PRESS Washington Redskins cornerback DeAngelo Hall (23) sits on the bench during the closing minutes of the Redskins' 59-28 loss to the Philadelphia Eagles in an NFL football game, Monday, Nov. 15, 2010, in Landover, Md.

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Carolina Panthers quarterback Jimmy Clausen (2) throws a first half pass during an NFL football game against the Tampa Bay Buccaneers Sunday, Nov. 14, 2010, in Tampa, Fla. (AP Photo/Margaret Bowles)

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Dallas Cowboys wide receiver Dez Bryant (88) catches a pass for a touchdown as New York Giants cornerback Terrell Thomas (24) defends during the first quarter of an NFL football game at New Meadowlands Stadium on Sunday, Nov. 14, 2010, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

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Detroit Lions' quarterback Shaun Hill (14) passes against Buffalo Bills' Dwan Edwards (98) during the first half of an NFL football game in Orchard Park, N.Y., on Sunday, Nov. 14, 2010. (AP Photo/Mike Groll)

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Dallas Cowboys wide receiver Dez Bryant reacts after scoring a touchdown during the first quarter of an NFL football game against the New York Giants at New Meadowlands Stadium on Sunday, Nov. 14, 2010, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

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Tennessee Titans quarterback Kerry Collins drops back to pass during the first half of an NFL football game against the Miami Dolphins, Sunday, Nov. 14, 2010, in Miami. (AP Photo/Alan Diaz)

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FILE - This Oct. 31, 2010, file photo shows Tennessee Titans running back Chris Johnson during an NFL football game against the San Diego Chargers, in San Diego. From Troy Polamalu's thick mass of curls to Domata Peko's fluffy, lionlike mane to Johnson's dreads to Clay Matthews' grunge look, players all over the NFL are going long. (AP Photo/Denis Poroy, File)

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FILE - This Nov. 7, 2010, file photo shows Philadelphia Eagles wide receiver DeSean Jackson reacting after catching a pass in the first half of an NFL football game against the Indianapolis Colts, in Philadelphia. In a series of interviews with The Associated Press, representatives of the NFL, the NFL Players Association and the four equipment companies that make every helmet worn in the league all agreed there's no such thing as a football helmet that eliminates concussions _ nor is one on the way anytime soon. (AP Photo/Matt Slocum, File)