New York Giants running back David Wilson (22) is tackled by Kansas City Chiefs inside linebacker Akeem Jordan (55) during the first half of an NFL football game at Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 29, 2013. (AP Photo/Ed Zurga)

Baltimore Ravens running back Bernard Pierce (30) is tackled by Buffalo Bills middle linebacker Kiko Alonso (50) during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Cleveland Browns tight end Jordan Cameron, right, makes a leaping catch on a 2-yard touchdown pass against Cincinnati Bengals strong safety Taylor Mays in the first quarter of an NFL football game Sunday, Sept. 29, 2013, in Cleveland. (AP Photo/Tony Dejak)

Minnesota Vikings wide receiver Joe Webb celebrates with Vikings wide receiver Greg Jennings (15) after Jennings' 70-yard touchdown pass from quarterback Matt Cassel during their NFL football game against the Pittsburgh Steelers at Wembley Stadium, London, Sunday,Sept. 29, 2013. (AP Photo/Matt Dunham)

Vikings cheerleaders perform ahead of the NFL game between the Pittsburgh Steelers and Minnesota Vikings at Wembley Stadium, London, Sunday, Sept. 29, 2013. (AP Photo/Sang Tan)

Pittsburgh Steelers running back Le'Veon Bell dives to score a touchdown during the NFL football game against Minnesota Vikings at Wembley Stadium, London, Sunday, Sept. 29, 2013. (AP Photo/Sang Tan)

Houston Texans' Ben Tate (44) runs past Seattle Seahawks' Bobby Wagner (54) during the first quarter an NFL football game Sunday, Sept. 29, 2013, in Houston. (AP Photo/David J. Phillip)

Detroit Lions running back Reggie Bush (21) rushes against the defense of the Chicago Bears during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Jose Juarez)

29/9/2013 NFL WEMBLEY STADIUM LONDON PITTSBURGH STEELERS V MINNESOTA VIKINGS KYLE RUDOLPH PICTURE DAVE SHOPLAND/NFL

Detroit Lions quarterback Matthew Stafford (9) reaches out to recover his own fumble, and score as he crossed the goal line during the second quarter of an NFL football game against the Chicago Bears at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Paul Sancya)

Buffalo Bills running back Fred Jackson (22) celebrates his touchdown against the Baltimore Ravens during the first half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Houston Texans inside linebacker Brian Cushing (56) flexes his muscles during a game against the Seattle Seahawks at Reliant Stadium on September 29, 2013 in Houston, Texas. (Aaron M. Sprecher/NFL)

Kansas City Chiefs cornerback Marcus Cooper (31) knocks the ball away from New York Giants wide receiver Rueben Randle (82) during the second half of an NFL football game at Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 29, 2013. (AP Photo/Ed Zurga)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) evades a sack from Minnesota Vikings linebacker Erin Henderson in the NFL International Series at Wembley Stadium in London on September 29, 2013.. (Sean Ryan/NFL)

Minnesota Vikings defensive end Jared Allen (69) celebrates a sack against the Pittsburgh Steelers in the NFL International Series at Wembley Stadium in London on September 29, 2013. (Sean Ryan/NFL)

Cleveland Browns cornerback Buster Skrine, left, breaks up a pass for Cincinnati Bengals wide receiver Marvin Jones (82) as Browns defensive back Chris Owens (21) moves in to help in the fourth quarter of an NFL football game Sunday, Sept. 29, 2013, in Cleveland. The Browns beat the Bengals 17-6. (AP Photo/Tony Dejak)

New York Giants quarterback Eli Manning (10) is tackled by Kansas City Chiefs defensive end Allen Bailey (97) during the second half of an NFL football game at Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 29, 2013. The Chiefs defeated the Giants 31-7. (AP Photo/Charlie Riedel)

Chicago Bears wide receiver Alshon Jeffery (17), defended by Detroit Lions cornerback Darius Slay (30), scores on a 14-yard reception during the fourth quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 29, 2013. (AP Photo/Carlos Osorio)

Seattle Seahawks quarterback Russell Wilson (3) is pursued by Houston Texans defensive end J.J. Watt (99) at Reliant Stadium on September 29, 2013 in Houston, Texas. (Aaron M. Sprecher/NFL)

Seattle Seahawks kicker Steven Hauschka (4) celebrates after kicking the game-winning field goal against the Houston Texans at Reliant Stadium on September 29, 2013 in Houston, Texas. (Aaron M. Sprecher/NFL)

Dallas Cowboys wide receiver Dez Bryant catches a touch down pass as San Diego Chargers defensive back Richard Marshall looks on during the first half of an NFL football game Sunday, Sept. 29, 2013, in San Diego. (AP Photo/Gregory Bull)

Baltimore Ravens running back Ray Rice (27) and tackle Bryant McKinnie (78) pose in the end zone during warm ups before an NFL football game against the Buffalo Bills on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills free safety Aaron Williams (23) intercepts a pass intended for Baltimore Ravens wide receiver Torrey Smith (82) during the second half of an NFL football game on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Tennessee Titans wide receiver Justin Hunter (15) catches a 16-yard touchdown pass as he is defended by New York Jets cornerback Darrin Walls (30) in the second quarter of an NFL football game on Sunday, Sept. 29, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Houston Texans defensive end J.J. Watt (99) rushes the passer during an NFL football game against the Seattle Seahawks at Reliant Stadium on September 29, 2013 in Houston, Texas. Seattle won 23-20. (Aaron M. Sprecher/NFL)

Washington Redskins running back Roy Helu (29) stiff-arms Oakland Raiders linebacker Nick Roach (53) during the second quarter of an NFL football game in Oakland, Calif., Sunday, Sept. 29, 2013. (AP Photo/Marcio Jose Sanchez)

Denver Broncos wide receiver Demaryius Thomas (88) celebrates with tight end Virgil Green (85) after catching a 1-yard pass for a touchdown against the Philadelphia Eagles in the third quarter of an NFL football game, Sunday, Sept. 29, 2013, in Denver. (AP Photo/Jack Dempsey)

The Dallas Cowboys kick off to the San Diego Chargers during the first quarter of an NFL football game Sunday, Sept. 29, 2013, in San Diego. (AP Photo/Chris Carlson)

Atlanta Falcons wide receiver Harry Douglas (83) runs against New England Patriots cornerback Kyle Arrington (25) during the first half of an NFL football game, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/David Goldman)

Atlanta Falcons quarterback Matt Ryan (2) works under pressure from New England Patriots defensive end Chandler Jones (95) during the first half of an NFL football game, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/John Bazemore)

New England Patriots wide receiver Kenbrell Thompkins (85) makes a catch against Atlanta Falcons strong safety William Moore (25) during an NFL football game at the Georgia Dome on Sunday, Sept. 29, 2013, in Atlanta, Georgia. (Perry Knotts/NFL)

Atlanta Falcons tight end Tony Gonzalez (88) runs into the end zone against New England Patriots cornerback Alfonzo Dennard (37) during an NFL football game at the Georgia Dome on Sunday, Sept. 29, 2013, in Atlanta, Georgia. (Perry Knotts/NFL)

New England Patriots wide receiver Kenbrell Thompkins (85) vies for a thrown ball against Atlanta Falcons cornerback Desmond Trufant (21) during the second half of an NFL football game, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/John Bazemore)

New England Patriots wide receiver Kenbrell Thompkins (85) celebrates his touchdown with Stevan Ridley (22) during the second half of an NFL football game against the Atlanta Falcons, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/David Goldman)

New England Patriots wide receiver Josh Boyce (82) is tackled by Atlanta Falcons cornerback Robert Alford (23) during an NFL football game at the Georgia Dome on Sunday, Sept. 29, 2013, in Atlanta, Georgia. The Patriots won 30-23. (Perry Knotts/NFL)