New England Patriots cornerback Darius Butler (28), and safety Brandon Meriweather (31)double team to secure a high ball during an NFL football game against Tampa Bay Buccaneers at Wembley Stadium, London, Sunday Oct. 25, 2009. (AP Photo/Matt Dunham)

Washington Redskins tight end Fred Davis is stopped in mid-air by Philadelphia Eagles cornerback Joselio Hanson and safety Sean Jones during the fourth quarter of the NFL football game Monday, Oct. 26, 2009 in Landover, Md. The Eagles won 27-17. (AP Photo/Nick Wass)

New Orleans Saints wide receiver Courtney Roby (15) is taken down by Miami Dolphins safety Jason Allen on a kickoff return during the second quarter of an NFL football game Sunday, Oct. 25, 2009 in Miami. (AP Photo/J. Pat Carter)

Washington Redskins quarterback Jason Campbell is sacked in the second quarter by Philadelphia Eagles defensive end Trent Cole (58) during the NFL football game Monday, Oct. 26, 2009 in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Washington Redskins running back Ladell Betts is knocked out of bound during the NFL football game against the Philadelphia Eagles, Monday, Oct. 26, 2009 in Landover, Md. (AP Photo/Pablo Martinez Monsivais)

Chased by Washington Redskins safety Chris Horton, Philadelphia Eagles wide receiver DeSean Jackson (10) scores a touchdown during the second quarter of the NFL football game against the Washington Redskins, Monday, Oct. 26, 2009 in Landover, Md. (AP Photo/Manuel Balce Ceneta)

Washington Redskins safety Chris Horton tackles Philadelphia Eagles wide receiver DeSean Jackson during the first quarter of the NFL football game, Monday, Oct. 26, 2009 in Landover, Md. (AP Photo/Manuel Balce Ceneta)

Arizona Cardinals wide receiver Larry Fitzgerald (11) is defended by New York Giants cornerback Terrell Thomas (24) and teammate C.C. Brown (41) during the third quarter of an NFL football game Sunday, Oct. 25, 2009, in East Rutherford, N.J. (AP Photo/Mel Evans)

Chicago Bears wide receiver Devin Hester fumbles the football as he is tackled by a Cincinnati Bengal defender during the first half of an NFL football game, Sunday, Oct. 25, 2009, in Cincinnati. (AP Photo/Ed Reinke)

Miami Dolphins wide receiver Ted Ginn Jr., right, can't hang on to the football causing New Orleans Saints cornerback Tracy Porter (22) to intercept the ball in the third quarter during an NFL football game in Miami Sunday, Oct. 25, 2009. The Saints won 46-34. (AP Photo/Jeffrey M. Boan)

Minnesota Vikings running back Adrian Peterson leaps over Pittsburgh Steelers' William Gay (22) after taking a short pass from Vikings quarterback Brett Favre in the fourth quarter of an NFL football game in Pittsburgh, Sunday, Oct. 25, 2009. The Steelers won 27-17. (AP Photo/Gene J. Puskar)

Minnesota Vikings' Adrian Peterson (28) and teammate Jeff Dugan, rear, celebrate his second-quarter touchdown against the Pittsburgh Steelers during an NFL football game in Pittsburgh, Sunday, Oct. 25, 2009. (AP Photo/Gene J. Puskar)

New England Patriots wide receiver Randy Moss (81) is caught from behind by Tampa Bay Buccaneers cornerback Aqib Talib (25) near the goal line after Moss caught a long first quarter pass before their NFL football game at Wembley Stadium in London, Sunday evening, Oct. 25, 2009. (AP Photo/Stephan Savoia)

New England Patriots quarterback Tom Brady (12) gets a pass away during an NFL football game against Tampa Bay Buccaneers at Wembley Stadium, London, Sunday Oct. 25, 2009. (AP Photo/Tom Hevezi)

New England Patriots wide receiver Wes Welker (83) forces his way over to score a touchdown during an NFL football game against Tampa Bay Buccaneers at Wembley Stadium, London, Sunday Oct. 25, 2009. (AP Photo/Stephan Savoia)

Pittsburgh Steelers' Ben Roethlisberger and Hines Ward embraces before an NFL football game against the Minnesota Vikings on Sunday, October 25, 2009. (Joe Robbins / NFL.com)

San Francisco 49ers running back Frank Gore (21) is tackled for a loss by Houston Texans defensive end Mario Williams (90) during the second quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

San Francisco 49ers coach Mike Singletary yells towards an official during the second quarter of a NFL football game against the Houston Texans Sunday, Oct. 25, 2009 in Houston. (AP Photo/David J. Phillip)

Pittsburgh Steelers linebacker Lawrence Timmons, bottom, can't bring down Minnesota Vikings running back Adrian Peterson (28) in the second quarter of an NFL football game in Pittsburgh, Sunday, Oct. 25, 2009. (AP Photo/Gene J. Puskar)

New England Patriots wide receiver Brandon Tate (19) falls to the ground after being cvaught from behind by Tampa Bay Buccaneers safety Tanard Jackson (36) during the first quarter of their NFL football game at Wembley Stadium in London, Sunday evening, Oct. 25, 2009. (AP Photo/Stephan Savoia)

Minnesota Vikings linebacker E.J. Henderson pressures Pittsburgh Steelers quarterback Ben Roethlisberger during an NFL football game on Sunday, October 25, 2009 in Pittsburgh, Pennsylvania. (Joe Robbins / NFL.com)

Indianapolis Colts cornerback Kelvin Hayden, left, intercepts a pass intended for St. Louis Rams wide receiver Keenan Burton, right, at the goal line during the fourth quarter of an NFL football game Sunday, Oct. 25, 2009, in St. Louis. The Colts won 42-6. (AP Photo/Jeff Roberson)

Minnesota Vikings cornerback Karl Paymah tackles Pittsburgh Steelers wide receiver Hines Ward during an NFL football game on Sunday, October 25, 2009 in Pittsburgh, Pennsylvania. (Joe Robbins / NFL.com)

Houston Texans tight end Owen Daniels (81) misses the ball under pressure from San Francisco 49ers' Patrick Willis in the first quarter of an NFL football game Sunday, Oct. 25, 2009, in Houston. (AP Photo/Dave Einsel)

Minnesota Vikings' Adrian Peterson, right, is hit by Pittsburgh Steelers linebacker James Farrior as he crosses the goal line for a Vikiings touchdown in the second quarter of an NFL football game in Pittsburgh, Sunday, Oct. 25, 2009. (AP Photo/Gene J. Puskar)

San Diego Chargers running back Darren Sproles (43) is tackled by Kansas City Chiefs linebacker Mike Vrabel (50) during the first half of an NFL football game Sunday, Oct. 25, 2009, in Kansas City, Mo. (AP Photo/Orlin Wagner)

Indianapolis Colts running back Chad Simpson (35) runs past St. Louis Rams defenders Oshiomogho Atogwe (21) and James Butler (37) on his way to a 31-yard touchdown run during the fourth quarter of an NFL football game Sunday, Oct. 25, 2009, in St. Louis. The Colts won 42-6. (AP Photo/Jeff Roberson)

Green Bay Packers wide receiver Greg Jennings (85) eludes Cleveland Browns cornerback Eric Wright (24) after as pass reception during their NFL football game on Sunday, Oct. 25, 2009, in Cleveland. At right is Cleveland Browns linebacker Jason Trusnik. (AP Photo/Amy Sancetta )(AP Photo/)

New York Jets cornerback Darrelle Revis, top, intercepts a pass in the end zone intended for Oakland Raiders wide receiver Todd Watkins (19) during the first quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 25, 2009. (AP Photo/Tony Avelar)

Pittsburgh Steelers wide receiver Santonio Holmes stiff arms Minnesota Vikings safety Tyrell Johnson while running with the ball after a catch in the fourth quarter of the NFL football game in Pittsburgh, Oct. 25, 2009. The Steelers won 27-17. (AP Photo/Keith Srakocic)

Minnesota Vikings quarterback Brett Favre walks off Heinz Field after a 27-17 loss to the Pittsburgh Steelers in an NFL football game in Pittsburgh, Sunday, Oct. 25, 2009. (AP Photo/Gene J. Puskar)

Atlanta Falcons punter Michael Koenen (9) is unable to chase down Dallas Cowboys wide receiver Patrick Crayton (84) as he returns a kick for a touchdown in the second half of an NFL football game, Sunday, Oct. 25, 2009, in Arlington, Texas. The Cowboys won 37-21. (AP Photo/Donna McWilliam)

New Orleans Saints running back Reggie Bush (25) leaps into the air socring a touchdown in the fourth quarter as Miami Dolphins safety Gibril Wilson (28) defends during an NFL football game in Miami Sunday, Oct. 25, 2009. (AP Photo/Jeffrey M. Boan)

Miami Dolphins running back Ronnie Brown celebrates a touch down with fans during the second quarter of an NFL football game between the Miami Dolphins and the New Orleans Saints Sunday, Oct. 25, 2009 in Miami. (AP Photo/J. Pat Carter)

New Orleans Saints safety Roman Harper (41) is unable to catch Miami Dolphins running back Ricky Williams as Williams comes in for his second touch down during the first quarter of an NFL football game between the Miami Dolphins and the New Orleans Saints Sunday, Oct. 25, 2009 in Miami. (AP Photo/J. Pat Carter)

Dallas Cowboys wide receiver Miles Austin (19) celebrates with offensive tackle Marc Colombo (75) following his touchdown in the second half of an NFL football game, Sunday, Oct. 25, 2009, in Arlington, Texas. The Cowboys won 37-21. (AP Photo/Donna McWilliam)

Dallas Cowboys quarterback Tony Romo (9) scrambles as Atlanta Falcons linebacker Mike Peterson (53) gives chase in the second half of an NFL football game, Sunday, Oct. 25, 2009, in Arlington, Texas. The Cowboys won 37-21. (AP Photo/Donna McWilliam)

Miami Dolphins cornerback Nate Jones, right, intercepts a pass in the end zone intended for New Orleans Saints wide receiver Marques Colston during the third quarter of an NFL football game Sunday, Oct. 25, 2009 in Miami. (AP Photo/J. Pat Carter)

Dallas Cowboys linebacker Bradie James (56) stops Atlanta Falcons running back Michael Turner (33) short of the end zone in the second half of an NFL football game, Sunday, Oct. 25, 2009, in Arlington, Texas. (AP Photo/Donna McWilliam)

Pittsburgh Steelers linebacker LaMarr Woodley (56) rambles into the end zone after recovering a fumble by Minnesota Vikings quarterback Brett Favre and returning it 77 yards for a touchdown in the fourth quarter of an NFL football game in Pittsburgh, Sunday, Oct. 25, 2009. The Steelers won 27-17. (AP Photo/Gene J. Puskar)

New York Jets quarterback Mark Sanchez, left, throws under pressure from Oakland Raiders defensive tackle Trevor Scott during the third quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 25, 2009. (AP Photo/Tony Avelar)

Tampa Bay Buccaneers wide receiver Antonio Bryant (89) looses control of the ball as he is hit by New England Patriots cornerback Leigh Bodden (23) during third quarter action of their NFL football game at Wembley Stadium in London, Sunday evening, Oct. 25, 2009. The Patriots defeated the Buccaneers 35-7.(AP Photo/Stephan Savoia)

New Orleans Saints guard Jahri Evans, left, and Miami Dolphins defensive end Paul Soliai battle for a loose ball during the second quarter of an NFL football game Sunday, Oct. 25, 2009 in Miami. (AP Photo/Jeffrey M. Boan)

New England Patriots running back Laurence Maroney (39) scores a touchdown against the Tampa Bay Buccaneers as quarterback Tom Brady (12) celebrates at Wembley Stadium in London, England on October 25, 2009 (Sean Ryan/NFLUK)

Houston Texans' Eugene Wilson (26) knocks a ball away from San Francisco 49ers' Vernon Davis (85) during the fourth quarter of a NFL football game Sunday, Oct. 25, 2009 in Houston. The Texans beat the 49ers 24-21. (AP Photo/Dave Einsel)

Buffalo Bills' Marshawn Lynch (23) reacts as he runs for a touchdown as Carolina Panthers' Landon Johnson (59) and Julius Peppers (90) look on in the first half of an NFL football game in Charlotte, N.C., Sunday, Oct. 25, 2009. (AP Photo/Nell Redmond)

San Diego Chargers wide receiver Vincent Jackson (83) catches a pass under pressure from Kansas City Chiefs safety Jon McGraw (47) during the first half of an NFL football game Sunday, Oct. 25, 2009 in Kansas City, Mo. (AP Photo/Charlie Riedel)