Carolina Panthers' Cam Newton is introduced before an NFL football game against the Denver Broncos in Charlotte, N.C., Sunday, Nov. 11, 2012. (AP Photo/Chuck Burton)

New Orleans Saints running back Chris Ivory (29) carries on a touchdown run as Atlanta Falcons free safety Thomas DeCoud (28) tries to tackle in the first half an NFL football game at the Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. (AP Photo/Bill Feig)

Petty Officer First Class William Cook is welcomed home by step-daughter Taylor Triplett. Cook surprised his family during the Hometown Hero ceremony at half time of the Indianapolis Colts 27-10 win over the Jacksonville Jaguars at EverBank Field on November 8, 2012 in Jacksonville, Florida. (AP Photo/Scott A. Miller)

Baltimore Ravens tight end Dennis Pitta (88) tries to break away from Oakland Raiders outside linebacker Philip Wheeler as he rushes the ball in the first half of an NFL football game in Baltimore, Sunday, Nov. 11, 2012. (AP Photo/Gail Burton)

New Orleans Saints running back Chris Ivory (29) crosses the goal line on a touchdown run in the first half an NFL football game against the Atlanta Falcons at the Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. (AP Photo/Bill Haber)

Minnesota Vikings wide receiver Jarius Wright, right, catches a pass in front of Detroit Lions safety Erik Coleman during the first half of an NFL football game on Sunday, Nov. 11, 2012, in Minneapolis. (AP Photo/Jim Mone)

Cincinnati Bengals wide receiver A.J. Green, left, catches a 56-yard touchdown pass against New York Giants cornerback Corey Webster (23) in the first half of an NFL football game on Sunday, Nov. 11, 2012, in Cincinnati. (AP Photo/Michael Keating)

Nov 11, 2012; Minneapolis, MN, USA; Minnesota Vikings defensive end Jared Allen (69) waves an American flag prior to the game against the Detroit Lions at the Metrodome. Mandatory Credit: Brace Hemmelgarn-US PRESSWIRE

Atlanta Falcons guard Mike Johnson (79) celebrates his touchdown with tight end Tony Gonzalez (88) in the first half an NFL football game against the New Orleans Saints at the Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. (AP Photo/Bill Feig)

Tight end Dwayne Allen #83 of the Indianapolis Colts leaps for extra yardage against the Jacksonville Jaguars in an NFL football game on Thursday, Nov. 8, 2012, in Jacksonville, Fla. (Perry Knotts/NFL)

Indianapolis Colts quarterback Andrew Luck (12) outruns Jacksonville Jaguars strong safety Dawan Landry (26) to score a touchdown during the second quarter of an NFL football game, Thursday, Nov. 8, 2012, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)

Indianapolis Colts quarterback Andrew Luck (12) celebrates his touchdown run against the Jacksonville Jaguars during the second quarter of an NFL football game, Thursday, Nov. 8, 2012, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)

Indianapolis Colts wide receiver Reggie Wayne (87) is tripped up by Jacksonville Jaguars outside linebacker Russell Allen (50) during the second quarter of an NFL football game, Thursday, Nov. 8, 2012, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)

Indianapolis Colts quarterback Andrew Luck (12) pushes his way into the end zone to score a touchdown against the Jacksonville Jaguars during the second quarter of an NFL football game, Thursday, Nov. 8, 2012, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)

Denver Broncos' Tony Carter, center, celebrates with teammate Chris Harris, right, as Carolina Panthers' Jordan Gross, left, looks on after Carter's touchdown during the second half of an NFL football game in Charlotte, N.C., Sunday, Nov. 11, 2012. (AP Photo/Rainier Ehrhardt)

Cincinnati Bengals tight end Jermaine Gresham (84) catches a 10-yard touchdown pass against New York Giants free safety Antrel Rolle (26) in the second half of an NFL football game, Sunday, Nov. 11, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

Miami Dolphins running back Marcus Thigpen (34) is tackled on a punt return by Tennessee Titans linebacker Tim Shaw (59) and tight end Taylor Thompson (84) during the first half of an NFL football game, Sunday, Nov. 11, 2012 in Miami. AP Photo/Wilfredo Lee)

New Orleans Saints wide receiver Marques Colston reaches over the end zone as Atlanta Falcons free safety Thomas DeCoud (28) covers on a touchdown reception in the second half of an NFL football game at Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. (AP Photo/Bill Feig)

Tampa Bay Buccaneers tight end Dallas Clark (44) pulls in a three-yard touchdown pass after getting past San Diego Chargers defensive end Vaughn Martin (92) during the first quarter of an NFL football game, Sunday, Nov. 11, 2012, in Tampa, Fla. (AP Photo/Brian Blanco)

Baltimore Ravens running back Ray Rice runs into the end zone for a touchdown past Oakland Raiders defenders in the first half of an NFL football game in Baltimore, Sunday, Nov. 11, 2012. (AP Photo/Gail Burton)

Louisiana National Guard Specialist Brandon Davis holds his three-month-old child Isiah, who he has never seen, after a surprise reunion with his wife Leslie and four children after a nine-month tour in Afghanistan before an NFL football game between the New Orleans Saints and the Atlanta Falcons at Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. His other children are Micah, Asia and Aliyah. (AP Photo/Bill Haber)

Detroit Lions running back Mikel Leshoure (25) gets a block from teammate Riley Reiff, right, as he tries to break a tackle by Minnesota Vikings linebacker Erin Henderson, center, during the first half of an NFL football game on Sunday, Nov. 11, 2012, in Minneapolis. (AP Photo/Jim Mone)

San Diego Chargers running back Ronnie Brown (30) pushes off Tampa Bay Buccaneers outside linebacker Lavonte David (54) on a run during the first half of an NFL football game Sunday, Nov. 11, 2012, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

Carolina Panthers' Cam Newton (1) is upended by a Denver Broncos player during the first half of an NFL football game in Charlotte, N.C., Sunday, Nov. 11, 2012. (AP Photo/Bob Leverone)

New Orleans Saints tight end Jimmy Graham (80) celebrates his touchdown reception in the first half an NFL football game against the Atlanta Falcons at the Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. (AP Photo/Bill Feig)

Carolina Panthers' Greg Olsen (88) celebrates his touchdown catch against the Denver Broncos during the first quarter of an NFL football game in Charlotte, N.C., Sunday, Nov. 11, 2012. (AP Photo/Bob Leverone)

New England Patriots running back Stevan Ridley (22) celebrates after his touchdown during the first quarter of an NFL football game against the Buffalo Bills at Gillette Stadium in Foxborough, Mass., Sunday, Nov. 11, 2012. (AP Photo/Elise Amendola)

Members of the military salute during the national anthem as part of the NFL's Salute to Service before an NFL football game between the Carolina Panthers and the Denver Broncos in Charlotte, N.C., Sunday, Nov. 11, 2012. (AP Photo/Bob Leverone)

Detroit Lions tight end Brandon Pettigrew, right, catches a 16-yard touchdown pass in front of Minnesota Vikings safety Harrison Smith during the second half of an NFL football game Sunday, Nov. 11, 2012, in Minneapolis. (AP Photo/Genevieve Ross)

A Marine helps to holds a U.S. flag during the pre-game ceremonies before an NFL football game between the Philadelphia Eagles and the Dallas Cowboys, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)

San Diego Chargers wide receiver Danario Alexander (84) makes a third-quarter catch in front of Tampa Bay Buccaneers free safety Ahmad Black (43) during an NFL football game on Sunday, Nov. 11, 2012, in Tampa, Fla. (AP Photo/Phelan Ebenhack)

New York Giants running back Andre Brown (35) scores on a two-yard run against the Cincinnati Bengals in the second half of an NFL football game, Sunday, Nov. 11, 2012, in Cincinnati. Cincinnati won 31-13. (AP Photo/Tom Uhlman)

New Orleans Saints cornerback Jabari Greer (33) breaks up a pass in the end zone intended for Atlanta Falcons wide receiver Roddy White (84) on fourth down late in the second half of an NFL football game at Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. The Saints won 31-27. (AP Photo/Bill Haber)

Carolina Panthers' Greg Olsen (88) stretches the ball over the goal line for a touchdown as he is tackled by Denver Broncos' Rahim Moore (26) during the second half of an NFL football game in Charlotte, N.C., Sunday, Nov. 11, 2012. (AP Photo/Rainier Ehrhardt)

Detroit Lions wide receiver Calvin Johnson (81) reaches for the end zone in front of Minnesota Vikings safety Jamarca Sanford, right, while scoring on an 11-yard touchdown reception during the second half of an NFL football game, Sunday, Nov. 11, 2012, in Minneapolis. (AP Photo/Genevieve Ross)

New Orleans Saints wide receiver Lance Moore (16) makes a leaping pas reception in front of Atlanta Falcons middle linebacker Akeem Dent (52) and outside linebacker Stephen Nicholas (54) in the second half an NFL football game at the Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. (AP Photo/Bill Haber)

Minnesota Vikings running back Adrian Peterson celebrates as he scores on a 61-yard touchdown run in the second half of an NFL football game against the Detroit Lions, Sunday, Nov. 11, 2012, in Minneapolis. (AP Photo/Genevieve Ross)

New Orleans Saints cornerback Corey White (24) celebrates his interception with free safety Isa Abdul-Quddus (42) in the second half of an NFL football game against the Atlanta Falcons at Mercedes-Benz Superdome in New Orleans, Sunday, Nov. 11, 2012. (AP Photo/Bill Feig)

Cincinnati Bengals running back BenJarvus Green-Ellis (42) is upended by New York Giants free safety Antrel Rolle (26) after a short gain in the second half of an NFL football game, Sunday, Nov. 11, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

San Francisco 49ers running back Frank Gore runs with the ball past St. Louis Rams defensive end Chris Long, bottom, defensive end William Hayes, top, during the first quarter of an NFL football game in San Francisco, Sunday, Nov. 11, 2012. (AP Photo/Marcio Jose Sanchez)

Dallas Cowboys running back Felix Jones (28) dives for a touchdown as Philadelphia Eagles free safety Kurt Coleman (42) and defensive end Brandon Graham (54) defend in the first half of an NFL football game, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Julio Cortez)

Baltimore Ravens wide receiver Jacoby Jones, right, looks back as he runs in a 105-yard touchdown in the second half of an NFL football game against the Oakland Raiders in Baltimore, Sunday, Nov. 11, 2012. Baltimore won 55-20. (AP Photo/Nick Wass)

Denver Broncos head coach John Fox, center, embraces Carolina Panthers' Charles Johnson, left, and James Anderson, right, after an NFL football game in Charlotte, N.C., Sunday, Nov. 11, 2012. Denver won 36-14. (AP Photo/Bob Leverone)

Philadelphia Eagles wide receiver Jeremy Maclin (18) runs onto the field during introductions before an NFL football game against the Dallas Cowboys, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Julio Cortez)

St. Louis Rams running back Steven Jackson (39) jumps over San Francisco 49ers cornerback Carlos Rogers (22) during overtime of an NFL football game in San Francisco, Sunday, Nov. 11, 2012. San Francisco and St. Louis tied their game 24-24. (AP Photo/Jeff Chiu)

Seattle Seahawks wide receiver Sidney Rice, left, catches a touchdown pass as New York Jets cornerback Ellis Lankster defends in the second half of an NFL football game, Sunday, Nov. 11, 2012, in Seattle. The Seahawks won 28-7. (AP Photo/Stephen Brashear)

St. Louis Rams wide receiver Austin Pettis, left, is greeted by quarterback Sam Bradford, right, after scoring a touchdown on a two-yard reception during the fourth quarter of an NFL football game in San Francisco, Sunday, Nov. 11, 2012. (AP Photo/Jeff Chiu)

Seattle Seahawks running back Marshawn Lynch runs the ball against New York Jets safety Yeremiah Bell, left, and cornerback Kyle Wilson in the second half of an NFL football game, Sunday, Nov. 11, 2012, in Seattle. The Seahawks won 28-7. The Seattle Seahawks (AP Photo/Stephen Brashear)

San Francisco 49ers running back Frank Gore carries the ball on a 21-yard touchdown run past St. Louis Rams free safety Quintin Mikell, center and St. Louis Rams outside linebacker Jo-Lonn Dunbar (58) during the fourth quarter of an NFL football game in San Francisco, Sunday, Nov. 11, 2012. (AP Photo/Jeff Chiu)

San Francisco 49ers quarterback Colin Kaepernick makes it across the goal line on a seven-yard touchdown run past St. Louis Rams strong safety Craig Dahl (43), middle linebacker James Laurinaitis, second from right, and St. Louis Rams cornerback Cortland Finnegan, third from right, during the fourth quarter of an NFL football game in San Francisco, Sunday, Nov. 11, 2012. (AP Photo/Jeff Chiu)

Seattle Seahawks' Marshawn Lynch (24) rushes against the New York Jets during the first half of an NFL football game, Sunday, Nov. 11, 2012, in Seattle. (AP Photo/Stephen Brashear)

Philadelphia Eagles' DeSean Jackson, left, dives after being tackled by Dallas Cowboys' Brandon Carr in the second half of an NFL football game, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles wide receiver Jeremy Maclin, left, pulls in a touchdown pass as Dallas Cowboys cornerback Morris Claiborne defends in the second half of an NFL football game, Sunday, Nov. 11, 2012, in Philadelphia. (AP Photo/Michael Perez)

Chicago Bears running back Matt Forte, right, is tackled by Houston Texans linebacker Bradie James (53) during the first half an NFL football game, Sunday, Nov. 11, 2012, in Chicago. (AP Photo/Charles Rex Arbogast)