Challenger, a bald eagle flies before an NFL football game between the Philadelphia Eagles and the Carolina Panthers at Lincoln Financial Field on Monday, November 10, 2014 in Philadelphia. (Perry Knotts/NFL)

Philadelphia Eagles' Darren Sproles reacts after scoring a touchdown during the first half of an NFL football game against the Carolina Panthers, Monday, Nov. 10, 2014, in Philadelphia. (AP Photo/Matt Rourke)

The Philadelphia Eagles mascot runs onto the field before an NFL football game against the Carolina Panthers, Monday, Nov. 10, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Carolina Panthers' Greg Olsen (88) is tackled by Philadelphia Eagles' Casey Matthews (50) after catching a pass during the first half of an NFL football game, Monday, Nov. 10, 2014, in Philadelphia. (AP Photo/Matt Rourke)

Carolina Panthers' Cam Newton (1) is tackled by Philadelphia Eagles' Mychal Kendricks (95) during the first half of an NFL football game, Monday, Nov. 10, 2014, in Philadelphia. (AP Photo/Michael Perez)

Green Bay Packers quarterback Aaron Rodgers (12) scrambles during the first half of an NFL football game against the Chicago Bears Sunday, Nov. 9, 2014, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers wide receiver Randall Cobb (18) celebrates a touchdown with fans during the first half of an NFL football game against the Chicago Bears Sunday, Nov. 9, 2014, in Green Bay, Wis. (AP Photo/Morry Gash)

Chicago Bears cornerback Tim Jennings (26) breaks up a pass intended for Green Bay Packers wide receiver Jordy Nelson (87) during the first half of an NFL football game Sunday, Nov. 9, 2014, in Green Bay, Wis. Jennings was called for a pass interference on the play. (AP Photo/Morry Gash)

New York Jets free safety Jaiquawn Jarrett (37) dives to intercept a pass as Marcus Williams (22) and Pittsburgh Steelers' Martavis Bryant (10) react during the first half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Baltimore Ravens quarterback Joe Flacco reacts to running back Justin Forsett's touchdown during the second half of an NFL football game against the Tennessee Titans in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Patrick Semansky)

Miami Dolphins quarterback Ryan Tannehill (17), rushed by Detroit Lions defensive tackle Andre Fluellen (96), and cornerback Rashean Mathis (31), passes, during the second half of an NFL football game in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Paul Sancya)

Baltimore Ravens running back Justin Forsett (29) slips past Tennessee Titans free safety Michael Griffin (33) and runs for a touchdown during the second half of an NFL football game in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Nick Wass)

Dallas Cowboys running back Joseph Randle breaks away from Jacksonville Jaguars cornerback Demetrius McCray (35) to score a forty yard touchdown during the NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Tim Ireland)

Jacksonville Jaguars defensive end Red Bryant (79) watches as Dallas Cowboys tackle Tyron Smith congratulates Joseph Randle, left, after his forty yard touchdown during the second half of an NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Tim Ireland)

San Francisco 49ers running back Carlos Hyde (28) celebrates his touchdown with Bruce Ellington in the first half of an NFL football game against the New Orleans Saints in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Jonathan Bachman)

San Francisco 49ers running back Frank Gore (21) celebrates his touchdown with teammates in the first half of an NFL football game against the New Orleans Saints in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Jonathan Bachman)

New York Jets cheerleaders perform during the first half of an NFL football game against the Pittsburgh Steelers Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

The Baltimore Ravens cheerleaders performs during the first half of an NFL football game against the Tennessee Titans in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Nick Wass)

Dallas Cowboys wide receiver Dez Bryant (88) makes a touchdown run as Jacksonville Jaguars strong safety Johnathan Cyprien (37) defends during the second half of an NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Tim Ireland)

San Francisco 49ers head coach Jim Harbaugh calls out from the sideline in the first half of an NFL football game against the New Orleans Saints in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Jonathan Bachman)

New York Jets free safety Jaiquawn Jarrett (37) intercepts a pass as Pittsburgh Steelers' Markus Wheaton (11) and teammates Demario Davis (56) watch him during the second half of an NFL football game, Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Dallas Cowboys wide receiver Cole Beasley (11) is tackled by Jacksonville Jaguars outside linebacker J.T. Thomas (52) and free safety Josh Evans (26) during the first half of an NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

Dallas Cowboys wide receiver Cole Beasley (11) is tackled by Jacksonville Jaguars outside linebacker J.T. Thomas (52) and free safety Josh Evans (26) during the first half of an NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

Buffalo Bills running back Fred Jackson (22) is tackled by Kansas City Chiefs outside linebacker Justin Houston (50) during an NFL football game at Ralph Wilson Stadium on Sunday, November 9, 2014 in Orchard Park, New York. The Bills lead 10-3 at halftime. (Perry Knotts/NFL)

Buffalo Bills defensive end Mario Williams (94), middle linebacker Brandon Spikes (51), and defensive tackle Marcell Dareus (99) celebrate a defensive play during an NFL football game against the Kansas City Chiefs at Ralph Wilson Stadium on Sunday, November 9, 2014 in Orchard Park, New York. The Bills lead 10-3 at halftime. (Perry Knotts/NFL)

Tampa Bay Buccaneers wide receiver Mike Evans (13) celebrates with teammate wide receiver Louis Murphy (18) after catching a 22-yard touchdown pass during the second quarter of an NFL football game against the Atlanta Falcons, Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Brian Blanco)

Miami Dolphins cornerback Brent Grimes (21) celebrates with teammate Miami Dolphins free safety Louis Delmas (25) after intercepting a pass intended for Detroit Lions wide receiver Calvin Johnson, left, during the first half of an NFL football game in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Paul Sancya)

Dallas Cowboys wide receiver Dez Bryant (88) celebrates his touchdown against the Jacksonville Jaguars with guard Zack Martin (70) and center Travis Frederick (72) as defensive end Chris Clemons (91) looks on during the first half of an NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Tim Ireland)

Buffalo Bills running back Fred Jackson (22) runs with the ball as Kansas City Chiefs outside linebacker Justin Houston tries to make a tackle during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills defensive end Mario Williams wears red contacts during the first half of an NFL football game against the Kansas City Chiefs, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Miami Dolphins cornerback Brent Grimes (21) celebrates with teammate cornerback Cortland Finnegan (24) after intercepting a pass intended for Detroit Lions wide receiver Calvin Johnson during the first half of an NFL football game in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Paul Sancya)

Tennessee Titans quarterback Zach Mettenberger, left, is sacked by Baltimore Ravens outside linebacker Elvis Dumervil (58) during the first half of an NFL football game in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Gail Burton)

Tampa Bay Buccaneers cornerback Johnthan Banks (27) breaks up a pass intended for Atlanta Falcons wide receiver Julio Jones (11) during the first quarter of an NFL football game Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Brian Blanco)

Baltimore Ravens quarterback Joe Flacco (5) reacts to running back Justin Forsett's touchdown during the first half of an NFL football game against the Tennessee Titans in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Patrick Semansky)

San Francisco 49ers wide receiver Anquan Boldin (81) pulls in a touchdown reception in front of New Orleans Saints cornerback Keenan Lewis (28) in the first half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Bill Haber)

Detroit Lions wide receiver Calvin Johnson (81), defended by Miami Dolphins cornerback Brent Grimes (21), catches 49-yard pass for a touchdown during the first half of an NFL football game in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Duane Burleson)

Dallas Cowboys wide receiver Devin Street (15) and Jacksonville Jaguars defensive back Sherrod Martin (25) reach for a pass during the NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

San Francisco 49ers running back Frank Gore (21) scores on a touchdown carry past New Orleans Saints cornerback Corey White (24) in the first half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Bill Haber)

Atlanta Falcons outside linebacker Kroy Biermann (71) and Tampa Bay Buccaneers quarterback Josh McCown (12) dive for the ball after Biermann blocked a pass by McCown during the first quarter of an NFL football game Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Chris O'Meara)

Baltimore Ravens defensive back Anthony Levine (41) reaches for Tennessee Titans running back Bishop Sankey (20) during the first half of an NFL football game in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Patrick Semansky)

San Francisco 49ers running back Frank Gore (21) is congratulated by teammates after scoring on a touchdown carry in the first half of an NFL football game against the New Orleans Saints in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Bill Haber)

Buffalo Bills wide receiver Chris Hogan, left, scores on a touchdown pass from quarterback Kyle Orton as Kansas City Chiefs free safety Husain Abdullah, right, and cornerback Chris Owens, back, try to bring him down in the first half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills wide receiver Chris Hogan, top right, scores on a touchdown pass from quarterback Kyle Orton as Kansas City Chiefs free safety Husain Abdullah, left, and cornerback Chris Owens, bottom, try to bring him down in the end zone during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Jacksonville Jaguars wide receiver Cecil Shorts (84) is grabbed by Dallas Cowboys free safety J.J. Wilcox (27) during the NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

Buffalo Bills running back Fred Jackson (22) runs with a United States flag while taking the field before an NFL football game against the Kansas City Chiefs, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. The Bills honored military veterans as part of the league's Salute to Service observance. (AP Photo/Julio Cortez)

New Orleans Saints wide receiver Brandin Cooks (10) pulls in a pass reception over San Francisco 49ers cornerback Tramaine Brock in the first half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Jonathan Bachman)

New York Jets tight end Jace Amaro (88) catches a pass for a touchdown in front of Pittsburgh Steelers' Mike Mitchell (23) during the first half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Buffalo Bills running back Fred Jackson holds a United States flag while taking the field prior to an NFL football game against the Kansas City Chiefs, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. The Bills honored U.S. military veterans as part of the league's Salute to Service observance. (AP Photo/Bill Wippert)

New York Jets tight end Jace Amaro (88) catches a pass for a touchdown in front of Pittsburgh Steelers' Mike Mitchell (23) during the first half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Dallas Cowboys' fans pose before the NFL football game between the Dallas Cowboys and the Jacksonville Jaguars at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

Detroit Lions wide receiver Calvin Johnson (81), defended by Miami Dolphins cornerback Brent Grimes (21), catches 49-yard pass for a touchdown during the first half of an NFL football game in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Rick Osentoski)

New Orleans Saints wide receiver Brandin Cooks, right, celebrates his touchdown reception with tight end Jimmy Graham in the first half of an NFL football game against the San Francisco 49ers in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Bill Haber)

Cleveland Browns tight end Gary Barnidge (82) makes a catch against Cincinnati Bengals free safety Reggie Nelson (20) during the second half of an NFL football game Thursday, Nov. 6, 2014, in Cincinnati. (AP Photo/Michael Conroy)

Cleveland Browns wide receiver Travis Benjamin (11) is tackled by Cincinnati Bengals cornerback Adam Jones (24) during the first half of an NFL football game Thursday, Nov. 6, 2014, in Cincinnati. (AP Photo/AJ Mast)

Cincinnati Bengals quarterback Andy Dalton (14) is pressured by Cleveland Browns outside linebacker Jabaal Sheard during the first half of an NFL football game Thursday, Nov. 6, 2014, in Cincinnati. (AP Photo/Michael Conroy)

St. Louis Rams running back Benny Cunningham (36) scores on a 3-yard run as Arizona Cardinals strong safety Tony Jefferson (22) defends during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

St. Louis Rams running back Benny Cunningham (36) scores a 3-yard touchdown as Arizona Cardinals strong safety Tony Jefferson defends during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Arizona Cardinals quarterback Carson Palmer (3) is sacked by St. Louis Rams defensive end Robert Quinn (94) during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Arizona Cardinals running back Andre Ellington (38) is tackled by St. Louis Rams middle linebacker James Laurinaitis during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Kansas City Chiefs players celebrate after Anthony Sherman recovered a fumble on a punt return by the Buffalo Bills during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. The Chiefs won 17-13. (AP Photo/Bill Wippert)

Denver Broncos running back C.J. Anderson (22) is tackled by Oakland Raiders linebacker Miles Burris (56) during the first quarter of an NFL football game in Oakland, Calif., Sunday, Nov. 9, 2014. (AP Photo/Marcio Jose Sanchez)

Oakland Raiders fullback Marcel Reece (45) is tackled by Denver Broncos strong safety T.J. Ward (43) during the first quarter of an NFL football game in Oakland, Calif., Sunday, Nov. 9, 2014. (AP Photo/Marcio Jose Sanchez)

St. Louis Rams quarterback Austin Davis (9) is sacked by Arizona Cardinals defensive end Calais Campbell during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Seattle Seahawks quarterback Russell Wilson, right, hands off to running back Marshawn Lynch for a touchdown against the New York Giants in the first half of an NFL football game, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Scott Eklund)

Seattle Seahawks running back Marshawn Lynch (24) pushes in for a touchdown against the New York Giants during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Elaine Thompson)

Kansas City Chiefs running back Jamaal Charles (25) rushes for a touchdown during an NFL football game against the Buffalo Bills at Ralph Wilson Stadium on Sunday, November 9, 2014 in Orchard Park, New York. The Chiefs defeated the Bills lead 17-13. (Perry Knotts/NFL)

Kansas City Chiefs running back Jamaal Charles (25) runs upfield during an NFL football game against the Buffalo Bills at Ralph Wilson Stadium on Sunday, November 9, 2014 in Orchard Park, New York. The Chiefs defeated the Bills lead 17-13. (Perry Knotts/NFL)

Kansas City Chiefs running back Jamaal Charles (25) rushes for a touchdown during an NFL football game against the Buffalo Bills at Ralph Wilson Stadium on Sunday, November 9, 2014 in Orchard Park, New York. The Chiefs defeated the Bills lead 17-13. (Perry Knotts/NFL)

Kansas City Chiefs quarterback Alex Smith (11) throws a pass during an NFL football game against the Buffalo Bills at Ralph Wilson Stadium on Sunday, November 9, 2014 in Orchard Park, New York. The Chiefs defeated the Bills lead 17-13. (Perry Knotts/NFL)

Buffalo Bills running back Anthony Dixon (26) is tackled by Kansas City Chiefs outside linebacker Tamba Hali (91) during an NFL football game at Ralph Wilson Stadium on Sunday, November 9, 2014 in Orchard Park, New York. The Chiefs defeated the Bills lead 17-13. (Perry Knotts/NFL)

Atlanta Falcons strong safety Kemal Ishmael (36) intercepts a pass intended for Tampa Bay Buccaneers wide receiver Vincent Jackson (83) during the fourth quarter of an NFL football game Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

New York Giants quarterback Eli Manning scrambles under pressure from the Seattle Seahawks in the first half of an NFL football game, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Scott Eklund)

Seattle Seahawks cornerback Richard Sherman wears camouflage gloves as part of the NFL's Salute to Service tribute to the military as players warm up for an NFL football game between the Seahawks and the New York Giants, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Elaine Thompson)

New Orleans Saints tight end Jimmy Graham (80) pulls in an apparent touchdown reception at the end of regulation, but the play was negated by a pass-interference call on Graham, as San Francisco 49ers cornerback Perrish Cox (20) defends during the second half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. The play was the final of regulation, and the game went to overtime. (AP Photo/Jonathan Bachman)

Buffalo Bills wide receiver Chris Hogan, center left, is crushed into a down marker by Kansas City Chiefs cornerback Chris Owens (20) and strong safety Eric Berry during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. The Chiefs won 17-13. (AP Photo/Bill Wippert)

Buffalo Bills wide receiver Marquise Goodwin, center bottom, loses the ball as Kansas City Chiefs defend during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. Goodwin was ruled down before losing the ball. The Chiefs won 17-13. (AP Photo/Bill Wippert)

Detroit Lions running back Theo Riddick (25), defended by Miami Dolphins strong safety Reshad Jones (20), scores on an 11-yard reception during the second half of an NFL football game in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Paul Sancya)

Detroit Lions running back Theo Riddick (25) celebrates a touchdown during the second half of an NFL football game against the Miami Dolphins in Detroit, Sunday, Nov. 9, 2014. (AP Photo/Paul Sancya)

Jacksonville Jaguars quarterback Blake Bortles is sacked by Dallas Cowboys outside linebacker Cameron Lawrence (53) during the second half of their NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Tim Ireland)

St. Louis Rams' Austin Davis warms up before an NFL football game against the Arizona Cardinals, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

New York Jets quarterback Michael Vick (1) throws a pass during the second half of an NFL football game against the Pittsburgh Steelers on Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

CORRECTS TO SECOND HALF - New Orleans Saints tight end Jimmy Graham (80) catches a touchdown pass in front of San Francisco 49ers cornerback Perrish Cox late in the second half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Bill Haber)

New Orleans Saints tight end Jimmy Graham (80) catches a touchdown pass in front of San Francisco 49ers cornerback Perrish Cox (20) in the final two minutes of the second half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Jonathan Bachman)

CORRECTS TO SECOND HALF - New Orleans Saints tight end Jimmy Graham (80) catches a touchdown pass in front of San Francisco 49ers cornerback Perrish Cox late in the second half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Bill Haber)

Pittsburgh Steelers wide receiver Martavis Bryant (10) catches a pass for in front of Phillip Adams (24) during the second half of an NFL football game, Sunday, Nov. 9, 2014, in East Rutherford, N.J. Bryant scored a touchdown on the play. (AP Photo/Kathy Willens)

Pittsburgh Steelers' Jason Worilds (93) sacks New York Jets quarterback Michael Vick (1) during the second half of an NFL football game, Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Tampa Bay Buccaneers wide receiver Mike Evans (13) is stopped by Atlanta Falcons cornerback Robert Alford (23) after a reception during the fourth quarter of an NFL football game Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

Kansas City Chiefs quarterback Alex Smith, left, is sacked by Buffalo Bills defensive tackle Marcell Dareus during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Dallas Cowboys running back Joseph Randle (21) is stopped by Jacksonville Jaguars defensive end Ryan Davis during the second half of their NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Tim Ireland)

St. Louis Rams quarterback Austin Davis (9) warms up prior to an NFL football game against the Arizona Cardinals , Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Matt York)

Arizona Cardinals quarterback Carson Palmer (3) warms up prior to an NFL football game against the St. Louis Rams, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Atlanta Falcons wide receiver Harry Douglas (83) pulls in a two-point conversion against the Tampa Bay Buccaneers during the fourth quarter of an NFL football game, Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Brian Blanco)

Dallas Cowboys defensive end Demarcus Lawrence (90) watches as Jacksonville Jaguars quarterback Blake Bortles throws a pass during the NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

New Orleans Saints wide receiver Marques Colston (12) pulls in a pass as San Francisco 49ers cornerback Chris Culliver (29) and free safety Eric Reid (35) try to tackle him in the second half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Jonathan Bachman)

Tennessee Titans quarterback Zach Mettenberger (7) is sacked by Baltimore Ravens outside linebacker Terrell Suggs (55) during the second half of an NFL football game in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Patrick Semansky)

Tampa Bay Buccaneers cornerback Crezdon Butler (26) knocks the ball away from Atlanta Falcons wide receiver Julio Jones (11) during the fourth quarter of an NFL football game, Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

New York Giants quarterback Eli Manning passes during warmups before an NFL football game against the Seattle Seahawks, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Scott Eklund)

Pittsburgh Steelers' Jason Worilds (93) sacks New York Jets' Michael Vick (1) during the second half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Pittsburgh Steelers wide receiver Martavis Bryant (10) catches a pass in front of New York Jets' Phillip Adams (24) during the second half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Pittsburgh Steelers running back Le'Veon Bell (26) stiff-arms New York Jets' Sheldon Richardson (91) during the second half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Kathy Willens)

New York Jets cornerback Phillip Adams (24) reaches for Pittsburgh Steelers' Martavis Bryant (10) during the second half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Kansas City Chiefs strong safety Ron Parker, left, forces a fumble off Buffalo Bills running back Bryce Brown during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills tight end Scott Chandler, center, is unable to collect a fumble by teammate running back Bryce Brown, not pictured, during the second half of an NFL football game against the Kansas City Chiefs, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

New York Jets' Demario Davis (56) tackles Pittsburgh Steelers' Le'Veon Bell (26) during the second half of an NFL football game Sunday, Nov. 9, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Atlanta Falcons wide receiver Roddy White (84) catches a touchdown pass against the Tampa Bay Buccaneers during the fourth quarter of an NFL football game, Sunday, Nov. 9, 2014, in Tampa, Fla. (AP Photo/Brian Blanco)

Jacksonville Jaguars quarterback Blake Bortles is sacked by Dallas Cowboys defensive end Anthony Spencer (93) during second half of the NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

San Francisco 49ers cornerback Chris Culliver (29) shoves the face of New Orleans Saints tight end Jimmy Graham (80) after Graham scored on a touchdown reception in the second half of an NFL football game in New Orleans, Sunday, Nov. 9, 2014. (AP Photo/Bill Haber)

Jacksonville Jaguars quarterback Blake Bortles is sacked by Dallas Cowboys defensive end Anthony Spencer (93) during second half of the NFL football game at Wembley Stadium, London, Sunday, Nov. 9, 2014. (AP Photo/Matt Dunham)

Baltimore Ravens wide receiver Torrey Smith (82) pulls in a touchdown pass under pressure from Tennessee Titans cornerback Blidi Wreh-Wilson (25) during the second half of an NFL football game in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Torrey Smith (82) pulls in a touchdown pass under pressure from Tennessee Titans cornerback Blidi Wreh-Wilson (25) during the second half of an NFL football game in Baltimore, Sunday, Nov. 9, 2014. (AP Photo/Nick Wass)

Kansas City Chiefs running back Jamaal Charles (25) runs for a touchdown against the Buffalo Bills during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Arizona Cardinals cornerback Patrick Peterson (21) intercepts a pass intended for St. Louis Rams wide receiver Chris Givens (13) during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Seattle Seahawks quarterback Russell Wilson, right, runs for a touchdown as New York Giants' Zack Bowman, left, pursues in the second half of an NFL football game, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Elaine Thompson)

St. Louis Rams tight end Jared Cook (89) is tackled by Arizona Cardinals inside linebacker Kevin Minter during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Arizona Cardinals quarterback Carson Palmer (3) saves a touchdown as he makes the tackle after throwing an interception to St. Louis Rams outside linebacker Alec Ogletree (52) during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Arizona Cardinals quarterback Carson Palmer (3) throws against the St. Louis Rams during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

St. Louis Rams wide receiver Chris Givens (13) is hit by Arizona Cardinals cornerback Patrick Peterson (21) during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

St. Louis Rams quarterback Austin Davis (9) throws as Arizona Cardinals outside linebacker Alex Okafor (57) pursues during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Arizona Cardinals running back Andre Ellington (38) is knocked out of bounds against the St. Louis Rams during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Denver Broncos strong safety T.J. Ward (43) runs with an interception as Oakland Raiders wide receiver Andre Holmes (18) reaches to tackle him during the third quarter of an NFL football game in Oakland, Calif., Sunday, Nov. 9, 2014. (AP Photo/Ben Margot)

Arizona Cardinals running back Andre Ellington (38) eludes the reach of St. Louis Rams cornerback Janoris Jenkins (21) during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Matt York)

New York Giants free safety Quintin Demps (35) intercepts a pass intended for Seattle Seahawks wide receiver Doug Baldwin (89), right, in the second half of an NFL football game, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Scott Eklund)

New York Giants free safety Quintin Demps intercepts a pass intended for Seattle Seahawks wide receiver Doug Baldwin, right, in the second half of an NFL football game, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Scott Eklund)

St. Louis Rams' E.J. Gaines (33) breaks up a pass intended for Arizona Cardinals' John Brown (12) during the first half of an NFL football game Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

New York Giants' Odell Beckham (13) grabs a long pass in front of Seattle Seahawks' Marcus Burley to set up a touchdown in the first half of an NFL football game, Sunday, Nov. 9, 2014, in Seattle. (AP Photo/Elaine Thompson)

Arizona Cardinals wide receiver John Brown, rear, pulls in a pass over St. Louis Rams cornerback E.J. Gaines (33) during the first half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. (AP Photo/Rick Scuteri)

Arizona Cardinals wide receiver Larry Fitzgerald (11) reacts after a first down gain against the St. Louis Rams during the second half of an NFL football game, Sunday, Nov. 9, 2014, in Glendale, Ariz. The Cardinals won 31-14. (AP Photo/Rick Scuteri)

Green Bay Packers running back DuJuan Harris (26) warms up before of an NFL football game against the Chicago Bears Sunday, Nov. 9, 2014, in Green Bay, Wis. (AP Photo/Morry Gash)

Green Bay Packers wide receiver Jordy Nelson (87) is tackled by Chicago Bears cornerback Tim Jennings (26) during the first half of an NFL football game Sunday, Nov. 9, 2014, in Green Bay, Wis. (AP Photo/Mike Roemer)