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Dallas Cowboys players hang their heads during a moment of silence honoring teammate Jerry Brown who was killed in an automobile accident, prior to an NFL football game against the Cincinnati Bengals at Paul Brown Stadium in Cincinnati, Ohio, December 9, 2012. REUTERS/John Sommers II

New York Giants running back David Wilson (22) is hoisted into the air by Martellus Bennett after scoring on a 52-yard touchdown run during the fourth quarter of an NFL football game, Sunday, Dec. 9, 2012, in East Rutherford, N.J. The Giants won 52-27. (AP Photo/Kathy Willens)

Miami Dolphins running back Reggie Bush, left, is stopped with the ball by San Francisco 49ers strong safety Donte Whitner, right, during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

Dallas Cowboys running back DeMarco Murray (29) dives over the goal line for a 1-yard touchdown run in the first half of an NFL football game against the Cincinnati Bengals, Sunday, Dec. 9, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

New York Giants cornerback Prince Amukamara (20) grabs New Orleans Saints running back Pierre Thomas (23) by his face mask as he tries to bring him down during the second half of an NFL football game, Sunday, Dec. 9, 2012, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Miami Dolphins tight end Anthony Fasano falls into the end zone for a touchdown on a three-yard pass quarterback Ryan Tannehill as San Francisco 49ers strong safety Donte Whitner, right, looks on during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

Carolina Panthers' Thomas Davis (58) celebrates with Captain Munnerlyn (41) after intercepting an Atlanta Falcons pass during the second half of an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. (AP Photo/Rainier Ehrhardt)

San Francisco 49ers quarterback Colin Kaepernick, right, celebrates after scoring a touchdown on a 50-yard run as San Francisco 49ers tight end Delanie Walker, left, looks on during the fourth quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. San Francisco won the game 27-13. (AP Photo/Marcio Jose Sanchez)

Minnesota Vikings running back Adrian Peterson (28) celebrates with teammate Jerome Felton, right, after scoring on a 1-yard touchdown run during the first half of an NFL football game against the Chicago Bears Sunday, Dec. 9, 2012, in Minneapolis. (AP Photo/Genevieve Ross)

Cleveland Browns running back Trent Richardson (33) leaps over the line during the third quarter of an NFL football game against the Kansas City Chiefs, Sunday, Dec. 9, 2012, in Cleveland. (AP Photo/Rick Osentoski)

Buffalo Bills running back Fred Jackson (22) goes airborne after being hit by St. Louis Rams free safety Quintin Mikell during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Chicago Bears quarterback Jay Cutler (6) gets hit by Minnesota Vikings defensive end Everson Griffen, left, after passing the ball during the second half of an NFL football game Sunday, Dec. 9, 2012, in Minneapolis. Griffen was called for a personal foul on the play. (AP Photo/Genevieve Ross)

Philadelphia Eagles cornerback Nnamdi Asomugha (24) is upended by Tampa Bay Buccaneers tight end Dallas Clark (44) after trying to intercept a pass intended for Clark during the second quarter of an NFL football game, Sunday, Dec. 9, 2012, in Tampa, Fla. At right are Buccaneers' Vincent Jackson (83) and Eagles' Mychal Kendricks (95). (AP Photo/Brian Blanco)

Washington Redskins quarterback Robert Griffin III kneels on the ground after an injury during the second half of an NFL football game against the Baltimore Ravens in Landover, Md., Sunday, Dec. 9, 2012. (AP Photo/Nick Wass)

Seattle Seahawks running back Marshawn Lynch (24) runs for a 33-yard touchdown past Arizona Cardinals strong safety Rashad Johnson (49) and inside linebacker Daryl Washington (58) during the third quarterof an NFL football game in Seattle, Sunday, Dec. 9, 2012. (AP Photo/Stephen Brashear)

New York Giants running back David Wilson (22) does a summersault after scoring on a six-yard touchdown run during the second half of an NFL football game against the New Orleans Saints Sunday, Dec. 9, 2012, in East Rutherford, N.J. (AP Photo/Kathy Willens)

St. Louis Rams' Steven Jackson, center, scores a touchdown during the second half of an NFL football game against the Buffalo Bills, Sunday, Dec. 9, 2012, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

EAST RUTHERFORD, NJ - DECEMBER 09: David Wilson #22 of the New York Giants celebrates his third touchdown of the game against the New Orleans Saints on December 9, 2012 at MetLife Stadium in East Rutherford, New Jersey. (Photo by Elsa/Getty Images)

New Orleans Saints fullback Jed Collins (45) fumbles as New York Giants cornerback Corey Webster (23), Antrel Rolle (26) and Michael Boley (59) try to recover the ball during the first half of an NFL football game, Sunday, Dec. 9, 2012, in East Rutherford, N.J. (AP Photo/Kathy Willens)

SAN FRANCISCO, CA - DECEMBER 09: Colin Kaepernick #7 of the San Francisco 49ers drops back to pass while they run a pass play against the Miami Dolphins at Candlestick Park on December 9, 2012 in San Francisco, California. (Photo by Ezra Shaw/Getty Images)

PITTSBURGH, PA - DECEMBER 9: Danario Alexander #84 of the San Diego Chargers celebrates after catching a 15 yard touchdown pass in the fourth quarter against the Pittsburgh Steelers during the game on December 9, 2012 at Heinz Field in Pittsburgh, Pennsylvania. The Chargers defeated the Steelers 34-24. (Photo by Justin K. Aller/Getty Images)

ORCHARD PARK, NY - DECEMBER 9: Fred Jackson #22 of the Buffalo Bills is sent flying on a tackle by Quintin Mikell #27 of the St. Louis Rams during an NFL game at Ralph Wilson Stadium on December 9, 2012 in Orchard Park, New York. (Photo by Tom Szczerbowski/Getty Images)

CHARLOTTE, NC - DECEMBER 09: Greg Olsen #88 of the Carolina Panthers holds on for a touchdown against the Atlanta Falcons during play at Bank of America Stadium on December 9, 2012 in Charlotte, North Carolina. (Photo by Grant Halverson/Getty Images)

INDIANAPOLIS, IN - DECEMBER 09: Indianapolis Colts cheerleaders perform during the NFL game against the Tennessee Titans at Lucas Oil Stadium on December 9, 2012 in Indianapolis, Indiana. (Photo by Andy Lyons/Getty Images)

CHARLOTTE, NC - DECEMBER 09: Cam Newton #1 of the Carolina Panthers dives into the end zone for a touchdown in front of defender Christopher Owens #21 f the Atlanta Falcons during play at Bank of America Stadium on December 9, 2012 in Charlotte, North Carolina. (Photo by Grant Halverson/Getty Images)

TAMPA, FL - DECEMBER 09: Tight end Dallas Clark #44 of the Tampa Bay Buccaneers catches a pass in front of defenders Dominique Rodgers-Cromartie and Jamar Chaney #51 of the Philadelphia Eagles during the game at Raymond James Stadium on December 9, 2012 in Tampa, Florida. (Photo by J. Meric/Getty Images)

LANDOVER, MD - DECEMBER 09: Quarterback Kirk Cousins #12 of the Washington Redskins spikes the ball in the endzone after scoring a two point conversion to tie the game with the Baltimore Ravens late in the fourth quarter forcing overtime during the Redskins 31-28 winFedExField on December 9, 2012 in Landover, Maryland. (Photo by Rob Carr/Getty Images)

PITTSBURGH, PA - DECEMBER 09: Plaxico Burress #80 of the Pittsburgh Steelers makes a catch between the defense of Quentin Jammer #23 and Takeo Spikes #51 of the San Diego Chargers on December 9, 2012 at Heinz Field in Pittsburgh, Pennsylvania. (Photo by Joe Sargent/Getty Images)

MINNEAPOLIS, MN - DECEMBER 9: Adrian Peterson #28 of the Minnesota Vikings waits in the tunnel before the game against the Chicago Bears on December 9, 2012 at Mall of America Field at the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota. (Photo by Hannah Foslien/Getty Images)

St. Louis Rams wide receiver Brandon Gibson (11) celebrates with teammates including guard Harvey Dahl (62) and wide receiver Austin Pettis (18) after catching a touchdown pass from quarterback Sam Bradford, not pictured, as Buffalo Bills cornerback Ron Brooks (33) reacts during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Orchard Park, N.Y. The Rams won 15-12. (AP Photo/Bill Wippert)

Philadelphia Eagles wide receiver Jason Avant (81) makes a catch of a pass during the second quarter of an NFL football game against the Tampa Bay Buccaneers Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Brian Blanco)

Washington Redskins' Sav Rocca, right, hugs Kai Forbath (2) after Forbath's winning 34-yard field goal in overtime of an NFL football game against the Baltimore Ravens in Landover, Md., Sunday, Dec. 9, 2012. The Redskins won 31-28. (AP Photo/Patrick Semansky)

Dallas Cowboys quarterback Tony Romo (9) grimaces as he is sacked by Cincinnati Bengals defensive end Carlos Dunlap in the first half of an NFL football game, Sunday, Dec. 9, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

New York Giants wide receiver Domenik Hixon catches a touchdown pass in front of New Orleans Saints defender Jabari Greer during the second quarter of their NFL football game in East Rutherford, New Jersey, December 9, 2012. REUTERS/Mike Segar

New York Jets quarterback Mark Sanchez (L) is tackled by Jacksonville Jaguars defensive lineman Jeremy Mincey (C) during the second half of their NFL football game in Jacksonville, Florida December 9, 2012. REUTERS/Daron Dean

Minnesota Vikings running back Adrian Peterson (28) pushes off of Chicago Bears safety Chris Conte (47) for a 14-yard gain during the first half of their NFL football game in Minneapolis, December 9, 2012. REUTERS/Eric Miller

San Diego Chargers wide receiver Danario Alexander (84) goes up to make a touchdown catch in front of Pittsburgh Steelers defensive back Josh Victorian in the fourth quarter of an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

Seattle Seahawks tight end Zach Miller (86) is hit by Arizona Cardinals strong safety Rashad Johnson (49) as he scores on a 24-yard touchdown reception during the second quarter of an NFL football game in Seattle, Sunday, Dec. 9, 2012. (AP Photo/Stephen Brashear)

Buffalo Bills quarterback Ryan Fitzpatrick, right, is hit by St. Louis Rams defensive end Chris Long during the first half of an NFL football game, Sunday, Dec. 9, 2012, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Tennessee Titans' Chris Johnson (28) is tackled by Indianapolis Colts' Vontae Davis (23) during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Jeff Roberson)

St. Louis Rams cornerback Janoris Jenkins (21) breaks up a pass intended for Buffalo Bills wide receiver T.J. Graham (11) during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Orchard Park, N.Y. The Rams won 15-12. (AP Photo/Gary Wiepert)

Carolina Panthers quarterback Cam Newton (1) dives into the end zone for a touchdown as Atlanta Falcons' Chris Owens (21) pursues during the second half of an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. (AP Photo/Rainier Ehrhardt)

Carolina Panthers head coach Ron Rivera, left, shouts at players as Atlanta Falcons head coach Mike Smith, right, watches after an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. The Panthers won 30-20. (AP Photo/Bob Leverone)

Chicago Bears quarterback Jay Cutler, center, reacts as he sits on the bench after getting injured during the second half of an NFL football game against the Minnesota Vikings Sunday, Dec. 9, 2012, in Minneapolis. (AP Photo/Andy King)

Kansas City Chiefs cornerback Brandon Flowers (24) breaks up a pass in the end zone intended for Cleveland Browns wide receiver Josh Gordon in the first quarter of an NFL football game, Sunday, Dec. 9, 2012, in Cleveland. (AP Photo/Tony Dejak)

Indianapolis Colts' Delone Carter (34) fumbles as he is tackled by Tennessee Titans' Zach Brown (55) and Tim Shaw (59) during the first half of an NFL football game, Sunday, Dec. 9, 2012, in Indianapolis. The Colts recovered the fumble. (AP Photo/Michael Conroy)

Detroit Lions' Matthew Stafford reacts after running for a touchdown against Green Bay Packers' Brad Jones (59) during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

Washington Redskins quarterback Robert Griffin III reacts to his touchdown pass to wide receiver Josh Morgan during the first half of an NFL football game against the Baltimore Ravens in Landover, Md., Sunday, Dec. 9, 2012. (AP Photo/Patrick Semansky)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) loses the ball as he passes under pressure by San Diego Chargers outside linebacker Jarret Johnson (96) and defensive end Kendall Reyes (91) in the first quarter of an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. (AP Photo/Gene J. Puskar)

Philadelphia Eagles quarterback Nick Foles (9) runs 10-yards for a touchdown against the Tampa Bay Buccaneers during the second quarter of an NFL football game Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Brian Blanco)

Philadelphia Eagles defensive back Nnamdi Asomugha (24) goes airborne after knocking the ball away from Tampa Bay Buccaneer's Dallas Clark (44) during the second half of their NFL football game, Sunday, Dec. 9, 2012, in Tampa, Fla. The Eagles won 23-21. (AP Photo/The Philadelphia Inquirer, Ron Cortes)

Fans exit the stands above a digital scoreboard at CenturyLink Field after an NFL football game between the Seattle Seahawks and the Arizona Cardinals in Seattle, Sunday, Dec. 9, 2012. The Seahawks won 58-0. (AP Photo/John Froschauer)

Detroit Lions quarterback Matthew Stafford fumbles the ball during the first half of an NFL football game against the Green Bay Packers Sunday, Dec. 9, 2012, in Green Bay, Wis. Green Bay Packers' Mike Daniels recovered the fumble and ran it back 43 yards for a touchdown. (AP Photo/Mike Roemer)

Green Bay Packers defensive end Mike Daniels (76) picks up a fumble by Detroit Lions quarterback Matthew Stafford and runs it back 43-yards for a touchdown during the first half of an NFL football game Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

In this photo provided by the Association of Surfing Professionals, Travis Logie of South Africa competes in the Billabong Pipe Masters surfing competition on Sunday, Dec. 9, 2012 near Haleiwa, Hawaii. (AP Photo/Association of Surfing Professionals, Kelly Cestari)