Philadelphia Eagles tight end Clay Harbor (82) pulls in a touchdown in front of Tampa Bay Buccaneers strong safety Mark Barron (24) during the fourth quarter of an NFL football game Sunday, Dec. 9, 2012, in Tampa, Fla. The Eagles won the game 23-21.(AP Photo/Chris O'Meara)

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)

Minnesota Vikings running back Adrian Peterson (28) runs from Chicago Bears safety Major Wright, left, during the first half of an NFL football game Sunday, Dec. 9, 2012, in Minneapolis. (AP Photo/Andy King)

Dallas Cowboys running back DeMarco Murray (29) is tackled by Cincinnati Bengals outside linebacker Vontaze Burfict (55) in the first half of an NFL football game, Sunday, Dec. 9, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

Indianapolis Colts' Vick Ballard (33) runs during the first half of an NFL football game against the Tennessee Titans, Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Michael Conroy)

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)

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)

Washington Redskins inside linebacker Perry Riley (56) watches as Baltimore Ravens tight end Dennis Pitta (88) pulls in a touchdown pass during the first half of an NFL football game in Landover, Md., Sunday, Dec. 9, 2012. (AP Photo/Nick Wass)

Chicago Bears wide receiver Brandon Marshall (15) tries to break a tackle by Minnesota Vikings linebacker Erin Henderson, left, after making a reception during the first half of an NFL football game Sunday, Dec. 9, 2012, in Minneapolis. (AP Photo/Genevieve Ross)

Atlanta Falcons' Julio Jones (11) catches a pass as Carolina Panthers' Luke Kuechly (59) defends during the second half of an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. (AP Photo/Bob Leverone)

Atlanta Falcons' Roddy White (84) runs into the end zone for a touchdown against Carolina Panthers' Thomas Davis (58) during the second half of an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. (AP Photo/Bob Leverone)

San Diego Chargers wide receiver Malcom Floyd (80) catches the ball for a touchdown in front of Pittsburgh Steelers cornerback Keenan Lewis (23) in the third quarter of an NFL football game on Sunday, Dec. 9, 2012, in Pittsburgh. (AP Photo/Don Wright)

Jacksonville Jaguars wide receiver Kevin Elliott (87) falls backward in front of New York Jets cornerback Antonio Cromartie (31) after a reception during the first half of an NFL football game, Sunday, Dec. 9, 2012, in Jacksonville, Fla. (AP Photo/Stephen Morton)

Carolina Panthers quarterback Cam Newton (1) scrambles past Atlanta Falcons' Chris Hope (24), Kroy Biermann (71), and Sean Weatherspoon (56) during the first half of an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. (AP Photo/Bob Leverone)

Tennessee Titans' Kenny Britt (18) makes a catch against Indianapolis Colts' Vontae Davis (23) during the first half of an NFL football game, Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Jeff Roberson)

St. Louis Rams' Steven Jackson reacts after scoring 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)

Cleveland Browns running back Trent Richardson (33) celebrates after a 1-yard touchdown run against the Kansas City Chiefs in the third quarter of an NFL football game Sunday, Dec. 9, 2012, in Cleveland. (AP Photo/Tony Dejak)

Cleveland Browns running back Trent Richardson dives over the goal line on a 1-yard touchdown run in the third quarter of an NFL football game against the Kansas City Chiefs, Sunday, Dec. 9, 2012, in Cleveland. (AP Photo/Tony Dejak)

Washington Redskins wide receiver Josh Morgan pulls in a touchdown pass from quarterback Robert Griffin III as Baltimore Ravens inside linebacker Jameel McClain (53) and free safety Ed Reed close in during the first half of an NFL football game against the Baltimore Ravens in Landover, Md., Sunday, Dec. 9, 2012. (AP Photo/Alex Brandon)

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)

New York Jets inside linebacker Bart Scott, left, intercepts a pass in front of Jacksonville Jaguars fullback Greg B. Jones (33) during the first half of an NFL football game, Sunday, Dec. 9, 2012, in Jacksonville, Fla. (AP Photo/John Raoux)

Denver Broncos wide receiver Demaryius Thomas (88) is tackled by Oakland Raiders cornerback Ron Bartell (21) during the NFL game at the O.co Coliseum in Oakland, California on December 06, 2012. (Ric Tapia/NFL)

The Oakland Raiders and Denver Broncos are seen during the coin toss prior to a game at the O.co Coliseum in Oakland, California on December 06, 2012. (Ric Tapia/NFL)

Denver Broncos running back Knowshon Moreno carries the ball and leaps over Oakland Raiders linebacker Philip Wheeler during the fourth quarter of an NFL football game in Oakland, Thursday, Dec. 6, 2012. (AP Photo/Ben Margot)

Oakland Raiders running back Darren McFadden is mobbed by fans after scoring a touchdown on a 6-yard pass during the second quarter of an NFL football game against the Denver Broncos in Oakland, Calif., Thursday, Dec. 6, 2012. (AP Photo/Marcio Jose Sanchez)

Denver Broncos tight end Joel Dreessen (81) reacts after scoring a touchdown on a 6-yard pass from quarterback Peyton Manning during the first quarter of an NFL football game against the Oakland Raiders in Oakland, Calif., Thursday, Dec. 6, 2012. At right is Broncos tackle Orlando Franklin. (AP Photo/Marcio Jose Sanchez)

Baltimore Ravens wide receiver Anquan Boldin lands in end zone for a touchdown after pulling in a pass form quarterback Joe Flacco as Washington Redskins free safety Madieu Williams closes in during the first half of an NFL football game in Landover, Md., Sunday, Dec. 9, 2012. (AP Photo/Nick Wass)

Tennessee Titans' Jared Cook (89) makes an 18-yard touchdown reception against Indianapolis Colts' Antoine Bethea (41) and Sergio Brown (38) during the first half of an NFL football game, Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Michael Conroy)

Carolina Panthers' Cam Newton (1) scrambles for a gain as Atlanta Falcons' Vance Walker (99) chases during the first half of an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. (AP Photo/Rainier Ehrhardt)

Kansas City Chiefs wide receiver Dwayne Bowe makes a catch for a first down in the first quarter of an NFL football game against the Cleveland Browns in Cleveland, Sunday, Dec. 9, 2012. (AP Photo/Rick Osentoski)

San Diego Chargers running back Ryan Mathews (24) runs into the line as tight end Randy McMichael (81) blocks Pittsburgh Steelers outside linebacker Jason Worilds (93) in the first quarter of an NFL football game on Sunday, Dec. 9, 2012, in Pittsburgh. (AP Photo/Don Wright)

Baltimore Ravens running back Bernard Pierce leaps over Washington Redskins cornerback DeAngelo Hall (23) during the second half of an NFL football game in Landover, Md., Sunday, Dec. 9, 2012. (AP Photo/Nick Wass)

Atlanta Falcons' Julio Jones (11) leaps into the end zone past Carolina Panthers' Haruki Nakamura (43) for a touchdown as Falcons' Harry Douglas (83) watches during the second half of an NFL football game in Charlotte, N.C., Sunday, Dec. 9, 2012. (AP Photo/Rainier Ehrhardt)

St. Louis Rams running back Steven Jackson (39) is tackled by a host of Buffalo Bills players including linebacker Nigel Bradham (53) during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Chicago Bears wide receiver Brandon Marshall, center, catches a 16-yard touchdown pass between Minnesota Vikings cornerback Josh Robinson, left, and cornerback Antoine Winfield, right, during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Minneapolis. The Vikings won 21-14. (AP Photo/Andy King)

Jacksonville Jaguars running back Richard Murphy (39) attempts to block a punt by New York Jets punter Robert Malone (3) during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Jacksonville, Fla. The Jets beat the Jaguars 17-10. (AP Photo/Stephen Morton)

Philadelphia Eagles wide receiver Jeremy Maclin (18) pulls in the winning touchdown with no time remaining on the clock against the Tampa Bay Buccaneers in the fourth quarter of an NFL football game, Sunday, Dec. 9, 2012, in Tampa, Fla. The Eagles won 23-21. (AP Photo/Chris O'Meara)

Indianapolis Colts' Jerrell Freeman (50) reacts to the fans after their 27-23 win over the Tennessee Titans in an NFL football game, Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Michael Conroy)

Indianapolis Colts' Vick Ballard (33) is chased by Tennessee Titans' Jarius Wynn (79) during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Michael Conroy)

Dec. 9, 2012; Orchard Park, NY, USA; Buffalo Bills running back Fred Jackson (22) dives to miss a tackle by St. Louis Rams free safety Quintin Mikell (27) during the second half at Ralph Wilson Stadium. Buffalo beats St. Louis 15 to 12. Timothy T. Ludwig-USA TODAY Sports

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)

December 9, 2012; Pittsburgh, PA, USA; San Diego Chargers wide receiver Danario Alexander (84) reaches for a pass as Pittsburgh Steelers strong safety Troy Polamalu (43) defends the play during the second quarter at Heinz Field. Charles LeClaire-US Presswire

December 9, 2012; Pittsburgh, PA, USA; Pittsburgh Steelers wide receiver Mike Wallace (17) makes a forty yard pass reception for a touchdown against San Diego Chargers cornerback Quentin Jammer (23) during the third quarter at Heinz Field. The San Diego Chargers won 34-24. Charles LeClaire-US Presswire

December 9, 2012; Pittsburgh, PA, USA; San Diego Chargers running back Ryan Mathews (24) rushes the ball against Pittsburgh Steelers outside linebacker James Harrison (92) during the third quarter at Heinz Field. The San Diego Chargers won 34-24. Charles LeClaire-US Presswire

December 9, 2012; Tampa, FL, USA; Tampa Bay Buccaneers wide receiver Vincent Jackson (83) runs the ball in for a touchdown as Philadelphia Eagles strong safety Nate Allen (29) defends during the second half at Raymond James Stadium. The Eagles won 23-21. Kim Klement-US Presswire

Dec 9, 2012; Minneapolis, MN, USA; Chicago Bears safety Major Wright (21) tackles Minnesota Vikings running back Adrian Peterson (28) in the second quarter at the Metrodome. Bruce Kluckhohn-US Presswire

Dec 9, 2012; Minneapolis, MN, USA; Fans walk through the snow before entering the Metrodome before the the game between the Chicago Bears and the Minnesota Vikings. Bruce Kluckhohn-US Presswire

December 9, 2012; Landover, MD, USA; Baltimore Ravens wide receiver Torrey Smith (82) attempts to make a catch as Washington Redskins cornerback Josh Wilson (26) defends in the second quarter at FedEx Field. The Redskins won 31-28 in overtime. Geoff Burke-US Presswire

New York Giants quarterback Eli Manning (10) celebrates with David Diehl after his 5-yard touchdown pass to wide receiver Domenik Hixonduring the first half of an NFL football game against the New Orleans Saints, Sunday, Dec. 9, 2012, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Pittsburgh Steelers tight end Heath Miller (83) stretches for the end zone after being tackled by San Diego Chargers free safety Eric Weddle (32) in the fourth quarter ofan NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. Miller did not score on the play and the call was confirmed by replay(AP Photo/Gene J. Puskar)

New York Jets running back Bilal Powell, left, scores a touchdown on a 4-yard run past the Jacksonville Jaguars defense during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Jacksonville, Fla. (AP Photo/Stephen Morton)

Miami Dolphins running back Reggie Bush carries the ball as San Francisco 49ers cornerback Tarell Brown (25) looks on during the first quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. At left is San Francisco 49ers cornerback Carlos Rogers (22) and Miami Dolphins quarterback Ryan Tannehill (17). (AP Photo/Marcio Jose Sanchez)

Seattle Seahawks defensive tackle Brandon Mebane (92) and outside linebacker K.J. Wright (50) tackle Arizona Cardinals running back LaRod Stephens-Howling (36) during the first quarter of an NFL football game in Seattle, Sunday, Dec. 9, 2012. (AP Photo/John Froschauer)

New Orleans Saints running back Darren Sproles (43) scores on a 9-yard touchdown run ahead of New York Giants defensive back Will Hill (31) and Stevie Brown (27) 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)

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/John Froschauer)

San Francisco 49ers running back Anthony Dixon carries the ball into the end zone for a touchdown on a one-yard run past Miami Dolphins safety Tyrone Culver, right, during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Green Bay Packers' Randall Cobb reacts after a first down catch during the second half of an NFL football game against the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Morry Gash)

Dec 9, 2012; Green Bay, WI, USA; Detroit Lions kicker Jason Hanson (4) reacts after missing a field goal in the 4th quarter during the game against the Green Bay Packers at Lambeau Field. Benny Sieu/US Presswire

Green Bay Packers running back DuJuan Harris celebrates with fans after his touchdown run during the second half of an NFL football game against the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. The Packers won 27-20. (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)

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

Miami Dolphins running back Reggie Bush (22) runs the ball during the NFL game against the San Francisco 49ers at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

Miami Dolphins running back Lamar Miller (26) runs the ball during the NFL game against the San Francisco 49ers at Candlestick Park in San Francisco, California on December 9, 2012. (Ric Tapia/NFL)

A snow-covered statue of Vince Lombardi is seen outside Lambeau Field before an NFL football game between the Green Bay Packers and the Detroit Lions Sunday, Dec. 9, 2012, in Green Bay, Wis. (AP Photo/Mike Roemer)

Washington Redskins kicker Kai Forbath makes the winning field goal as Sav Rocca holds during 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)

San Francisco 49ers running back Frank Gore carries the ball past Miami Dolphins cornerback Sean Smith (24) during the third quarter of an NFL football game in San Francisco, Sunday, Dec. 9, 2012. In the background is Miami Dolphins linebacker Jason Trusnik. Gore reached 1,000 yards rushing for the sixth time in his career, and San Francisco won the game 27-13. (AP Photo/Marcio Jose Sanchez)

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)

New York Giants wide receiver Victor Cruz (80) dances in the end zone to celebrate his 10-yard touchdown catch during the second half of an NFL football game against the New Orleans Saints, Sunday, Dec. 9, 2012, in East Rutherford, N.J. At left is Saints cornerback Johnny Patrick (32). (AP Photo/Kathy Willens)

San Diego Chargers running back Ryan Mathews (24) leaps over a teammate as Pittsburgh Steelers free safety Ryan Clark (25) and Pittsburgh Steelers defensive end Brett Keisel (99) close in to make the tackle during a second quarter run in an NFL football game in Pittsburgh, Sunday, Dec. 9, 2012. The Chargers won 34-24. (AP Photo/Gene J. Puskar)

New York Giants free safety Antrel Rolle (26) celebrates with Stevie Brown (27) after Brown intercepted a pass from New Orleans Saints quarterback Drew Brees during the second half of an NFL football game, Sunday, Dec. 9, 2012, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Seattle Seahawks running back Marshawn Lynch (24) is congratulated by wide receiver Sidney Rice after scoring on a 33-yard touchdown run against the Arizona Cardinals during the third quarter of an NFL football game in Seattle, Sunday, Dec. 9, 2012. (AP Photo/John Froschauer)

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)

Seattle Seahawks tight end Zach Miller (86) celebrates in front of Arizona Cardinals strong safety Rashad Johnson (49) after scoring 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)

Dec 9, 2012; Tampa FL, USA; Tampa Bay Buccaneers wide receiver Mike Williams (19) fails to make a catch as Philadelphia Eagles defensive back Curtis Marsh (31) defends during the second quarter at Raymond James Stadium. Steve Mitchell-US Presswire

Dec 9, 2012; Tampa FL, USA; Tampa Bay Buccaneers wide receiver Vincent Jackson (83) is tackled by Philadelphia Eagles cornerback Nnamdi Asomugha (24) during the second half at Raymond James Stadium. Eagles won 23-21. Steve Mitchell-US Presswire

Dec 9, 2012; Orchard Park, NY, USA; St. Louis Rams wide receiver Chris Givens (13) dives for the end zone and is knocked out of bounds just short by Buffalo Bills cornerback Stephon Gilmore (27) during the second half at Ralph Wilson Stadium. Rams beat the Bills 15-12. Kevin Hoffman-US Presswire

Dec 10, 2012; Foxborough, MA, USA; New England Patriots quarterback Tom Brady (12) reacts after running for a first down against the Houston Texans during the third quarter at Gillette Stadium. Mandatory Credit: Michael Ivins-USA TODAY Sports

New England Patriots running back Stevan Ridley (22) stiff arms Houston Texans linebacker Tim Dobbins (52) at Gillette Stadium on December 10, 2012 in Foxboro, Massachusetts. New England won 42-14. (Aaron M. Sprecher/NFL)

Houston Texans quarterback Matt Schaub (8) shows his frustration against the New England Patriots at Gillette Stadium on December 10, 2012 in Foxboro, Massachusetts. New England won 42-14. (Aaron M. Sprecher/NFL)

Houston Texans defensive end J.J. Watt looks up from the bench during the third quarter of an NFL football game against the New England Patriots in Foxborough, Mass., Monday, Dec. 10, 2012. (AP Photo/Steven Senne)

Quarterback Tom Brady #12 and running back Danny Woodhead #39 of the New England Patriots celebrate after Brady threw a touchdown pass against the Houston Texans in the third quarter at Gillette Stadium on December 10, 2012 in Foxboro, Massachusetts. (Aaron M. Sprecher/NFL)

New England Patriots wide receiver Donte' Stallworth (19) dives into the end zone while dragging Houston Texans defensive back Quintin Demps, right, for a touchdown after a catch and run during the third quarter of an NFL football game in Foxborough, Mass., Monday, Dec. 10, 2012. (AP Photo/Elise Amendola)

New England Patriots tight end Aaron Hernandez (81) crosses the goal line after a reception for a touchdown in front of Houston Texans inside linebacker Darryl Sharpton (51) and free safety Danieal Manning (38) during the second quarter of an NFL football game in Foxborough, Mass., Monday, Dec. 10, 2012. (AP Photo/Elise Amendola)

Quarterback Tom Brady #12 of the New England Patriots drops backs to pass agains the defense of Houston Texans at Gillette Stadium on December 10, 2012 in Foxboro, Massachusetts. (Aaron M. Sprecher/NFL)

Defensive end J.J. Watt #99 of the Houston Texans waits with outside linebacker Connor Barwin #98 after de-boarding the team bus before taking on the New England Patriots at Gillette Stadium on December 10, 2012 in Foxboro, Massachusetts. (Aaron M. Sprecher/NFL)