Philadelphia Eagles wide receiver DeSean Jackson celebrates his touchdown during the first half of an NFL football game against the Washington Redskins in Landover, Md., Monday, Sept. 9, 2013. (AP Photo/Nick Wass)

Washington Redskins quarterback Robert Griffin III, left, and wide receiver Aldrick Robinson laugh as they watch cornerback DeAngelo Hall score on an interception during the first half of an NFL football game against the Philadelphia Eagles in Landover, Md., Monday, Sept. 9, 2013. (AP Photo/Patrick Semansky)

Philadelphia Eagles quarterback Michael Vick, right, scores a touchdown on the quarterback keeper under pressure from Washington Redskins strong safety Bacarri Rambo during the first half of an NFL football game in Landover, Md., Monday, Sept. 9, 2013. (AP Photo/Nick Wass)

Philadelphia Eagles quarterback Michael Vick (7) looks for an opening to pass as Washington Redskins inside linebacker Perry Riley gets tangled up in his legs during the first half of an NFL football game in Landover, Md., Monday, Sept. 9, 2013. (AP Photo/Nick Wass)

Arizona Cardinals wide receiver Larry Fitzgerald, left, catches a 24-yard pass for a touchdown as St. Louis Rams cornerback Cortland Finnegan and safety Rodney McLeod (23) defend during the third quarter of an NFL football game on Sunday, Sept. 8, 2013, in St. Louis. (AP Photo/L.G. Patterson)

Green Bay Packers wide receiver Jordy Nelson (87) catches an eight-yard touchdown pass over San Francisco 49ers cornerback Nnamdi Asomugha (28) during the third quarter of an NFL football game in San Francisco, Sunday, Sept. 8, 2013. (AP Photo/Marcio Jose Sanchez)

Green Bay Packers wide receiver Jordy Nelson (87) celebrates after scoring on an eight-yard touchdown reception with wide receiver James Jones (89) during the third quarter of an NFL football game against the San Francisco 49ers in San Francisco, Sunday, Sept. 8, 2013. (AP Photo/Marcio Jose Sanchez)

St. Louis Rams quarterback Sam Bradford celebrates after scoring a two-point conversion during the fourth quarter of an NFL football game against the Arizona Cardinals, Sunday, Sept. 8, 2013, in St. Louis. (AP Photo/L.G. Patterson)

Arizona Cardinals wide receiver Larry Fitzgerald, left, catches a 4-yard pass for a touchdown as St. Louis Rams cornerback Janoris Jenkins defends during the second quarter of an NFL football game on Sunday, Sept. 8, 2013, in St. Louis. (AP Photo/L.G. Patterson)

San Francisco 49ers tight end Vernon Davis (85) and quarterback Colin Kaepernick, center, celebrate after connecting on a two-yard touchdown pass next to Green Bay Packers cornerback Jarrett Bush during the third quarter of after an NFL football game in San Francisco, Sunday, Sept. 8, 2013. (AP Photo/Ben Margot)

San Francisco 49ers wide receiver Anquan Boldin #81 runs with the ball during the week one NFL game against the Green Bay Packers at the Candlestick Park in San Francisco on Sep. 8, 2013. (Ric Tapia/NFL)

Arizona Cardinals safety Tyrann Mathieu, right, knocks the ball out of the hands of St. Louis Rams tight end Jared Cook after Cook caught a 47-yard pass during the first quarter of an NFL football game on Sunday, Sept. 8, 2013, in St. Louis. Cardinals' Karlos Dansby recovered the ball in the end zone for a touchback. (AP Photo/L.G. Patterson)

Pittsburgh Steelers wide receiver Jerricho Cotchery (89) cannot catch a pass in front of Tennessee Titans cornerback Coty Sensabaugh (24) in the fourth quarter of an NFL football game on Sunday, Sept. 8, 2013, in Pittsburgh. The Titans won 16-9. (AP Photo/Don Wright)

Green Bay Packers wide receiver Randall Cobb (18) celebrates after scoring on a touchdown reception with tight end Jermichael Finley (88) during the first quarter of an NFL football game against the San Francisco 49ers, Sunday, Sept. 8, 2013, in San Francisco. (AP Photo/Marcio Jose Sanchez)

Chicago Bears running back Matt Forte (22) celebrates his third quarter touchdown against the Bengals Soldier Field in Chicago, IL on September 9, 2013. The Bears beat the Bengals 24-21. (Todd Rosenberg/NFL)

Jacksonville Jaguars running back Jordan Todman (30) tries to get past Kansas City Chiefs defensive back Husain Abdullah, left, during the second half of an NFL football game in Jacksonville, Fla., Sunday, Sept. 8, 2013.(AP Photo/Phelan M. Ebenhack)

New Orleans Saints tight end Jimmy Graham (80) celebrates his touchdown reception in the second half of an NFL football game against the Atlanta Falcons in New Orleans, Sunday, Sept. 8, 2013. (AP Photo/Bill Haber)

Miami Dolphins running back Daniel Thomas (33) leaps over Cleveland Browns linebacker D'Qwell Jackson (52) on a 1-yard touchdown run during the fourth quarter of an NFL football game Sunday, Sept. 8, 2013, in Cleveland. (AP Photo/David Richard)

New York Jets wide receiver Stephen Hill (84) runs with the ball as Tampa Bay Buccaneers defensive end Adrian Clayborn (94), cornerback Leonard Johnson (29) and outside linebacker Lavonte David (54) defend during the second half of an NFL football game, Sunday, Sept. 8, 2013, in East Rutherford, N.J. (AP Photo/Mel Evans)

Kansas City Chiefs outside linebacker Tamba Hali (91) runs back an interception for a 10-yard touchdown past Jacksonville Jaguars center Brad Meester (63) during the second half of an NFL football game in Jacksonville, Fla., Sunday, Sept. 8, 2013.(AP Photo/Phelan M. Ebenhack)

Carolina Panthers guard Edmund Kugbila (70) walks through the tunnel before an NFL football game between the Carolina Panthers and the Seattle Seahawks on Sunday, Sept. 8, 2013 in Charlotte, North Carolina. The Seahawks won 12-7. (Perry Knotts/NFL)

Kansas City Chiefs outside linebacker Tamba Hali (91) celebrates with teammates after intercepting a pass and returning it for a 10-yard touchdown against the Jacksonville Jaguars during the second half of an NFL football game in Jacksonville, Fla., Sunday, Sept. 8, 2013.(AP Photo/Phelan M. Ebenhack)

Chicago Bears tight end Martellus Bennett (83) leaps to avoid a tackle by Cincinnati Bengals safety George Iloka (43) during the second half of an NFL football game, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Nam Y. Huh)

Seattle Seahawks wide receiver Jermaine Kearse (15) catches a pass for a touchdown over Carolina Panthers cornerback Josh Thomas (22) and strong safety Charles Godfrey (30) during an NFL football game between the Carolina Panthers and the Seattle Seahawks on Sunday, Sept. 8, 2013 in Charlotte, North Carolina. (Perry Knotts/NFL)

Chicago Bears running back Matt Forte (22) celebrates after rushing for a touchdown against the Cincinnati Bengals during the second half of an NFL football game, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Nam Y. Huh)

Detroit Lions running back Reggie Bush (21) outruns Minnesota Vikings defensive end Jared Allen (69) during the third quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Detroit Lions running back Joique Bell (35) jumps into the stands after his touchdown during the third quarter of an NFL football game against the Minnesota Vikings at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Tennessee Titans running back Chris Johnson (28) runs around Pittsburgh Steelers inside linebacker Larry Foote (50) in the third quarter of an NFL football game in Pittsburgh, Sunday, Sept. 8, 2013. (AP Photo/Gene J. Puskar)

Miami Dolphins wide receiver Brian Hartline, right, catches a 34-yard touchdown pass against Cleveland Browns cornerback Buster Skrine in the third quarter of an NFL football game Sunday, Sept. 8, 2013, in Cleveland. (AP Photo/Mark Duncan)

New Orleans Saints tight end Jimmy Graham (80) reaches over the pylon to score a touchdown on a pass play in the second half of an NFL football game against the Atlanta Falcons in New Orleans, Sunday, Sept. 8, 2013. (AP Photo/Bill Feig)

Chicago Bears linebacker Lance Briggs (55) dives over teammate Tim Jennings (26) to tackle Cincinnati Bengals tight end Jermaine Gresham (84) during the first half of an NFL football game, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Tampa Bay Buccaneers outside linebacker Lavonte David (54) makes an interception on a pass by New York Jets quarterback Geno Smith in the first half of an NFL football game, Sunday, Sept. 8, 2013, in East Rutherford, N.J. (AP Photo/Mel Evans)

Atlanta Falcons cornerback Robert Alford (23) breaks up a pass intended for New Orleans Saints wide receiver Kenny Stills (84) in the first half of an NFL football game in New Orleans, Sunday, Sept. 8, 2013. (AP Photo/Bill Haber)

Cleveland Browns defensive tackle Phillip Taylor emerges from a smoke cloud during player introductions for the Browns' season-opening NFL football game against the Miami Dolphins, Sunday, Sept. 8, 2013, in Cleveland. (AP Photo/Tony Dejak)

Indianapolis Colts cornerback Greg Toler (28) intercepts a pass intended for Oakland Raiders wide receiver Rod Streater in the end zone during the first half of an NFL football game in Indianapolis, Sunday, Sept. 8, 2013. (AP Photo/AJ Mast)

Indianapolis Colts cornerback Greg Toler (28) intercepts a pass intended for Oakland Raiders wide receiver Rod Streater in the end zone during the first half of an NFL football game in Indianapolis, Sunday, Sept. 8, 2013. (AP Photo/Doug McSchooler)

Cincinnati Bengals' Adam Jones (24) runs on a punt return with Chicago Bears' Zack Bowman (38) and Jon Bostic (57) in pursuit during the first half of an NFL football game, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Kiichiro Sato)

New York Jets wide receiver Jeremy Kerley throws a pass against the Tampa Bay Buccaneers in the first half of an NFL football game, Sunday, Sept. 8, 2013, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Indianapolis Colts wide receiver Reggie Wayne (87) is hit by Oakland Raiders cornerback Brandian Ross after making a catch during the first half of an NFL football game in Indianapolis, Sunday, Sept. 8, 2013. (AP Photo/Doug McSchooler)

New Orleans Saints wide receiver Marques Colston (12) pulls in a touchdown reception in front of Atlanta Falcons middle linebacker Akeem Dent (52) in the first half of an NFL football game in New Orleans, Sunday, Sept. 8, 2013. (AP Photo/Bill Haber)

Cincinnati Bengals wide receiver A.J. Green (18) misses a catch in the end zone against Chicago Bears cornerback Charles Tillman (33) during the first half of an NFL football game, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Carolina Panthers' Steve Smith, right, celebrates his touchdown catch against the Seattle Seahawks as teammate Richie Brockel, left, looks on during the first half of an NFL football game in Charlotte, N.C., Sunday, Sept. 8, 2013. (AP Photo/Bob Leverone)

Detroit Lions tight end Joseph Fauria (80) jumps over Minnesota Vikings free safety Harrison Smith (22) during the first quarter of an NFL football game at Ford Field in Detroit, Sunday, Sept. 8, 2013. (AP Photo/Paul Sancya)

Kansas City Chiefs running back Jamaal Charles (25) looks for a way past Jacksonville Jaguars free safety John Cyprien (37) during the first half of an NFL football game in Jacksonville, Fla., Sunday, Sept. 8, 2013.(AP Photo/Phelan M. Ebenhack)

Atlanta Falcons quarterback Matt Ryan (2) crumbles against New Orleans Saints defensive tackle Tom Johnson (96) in the first half of an NFL football game in New Orleans, Sunday, Sept. 8, 2013. (AP Photo/Bill Feig)

New York Jets wide receiver Santonio Holmes kneels before the Jets' NFL football game against the Tampa Bay Buccaneers, Sunday, Sept. 8, 2013, in East Rutherford, N.J. (AP Photo/Mel Evans)

Chicago Bears tight end Martellus Bennett (83) celebrates his touchdown reception with Brandon Marshall (15) during the first half of an NFL football game against the Cincinnati Bengals, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Nam Y. Huh)

New England Patriots wide receiver Julian Edelman (11) is face-masked by Buffalo Bills linebacker Arthur Moats (52) during the first half of an NFL football game on Sunday, Sept. 8, 2013, in Orchard Park. (AP Photo/Bill Wippert)

Seattle Seahawks quarterback Russell Wilson (3) is tackled by Carolina Panthers' Thomas Davis (58) during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 8, 2013. (AP Photo/Mike McCarn)

Cincinnati Bengals tight end Tyler Eifert (85) is grabbed from behind by Chicago Bears safety Chris Conte (47) during the first half of an NFL football game, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Nam Y. Huh)

Tampa Bay Buccaneers running back Doug Martin (22) is congratulated by teammates Luke Stocker, left, and Mike Williams after scoring a touchdown against the New York Jets in the first half of an NFL football game, Sunday, Sept. 8, 2013, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Chicago Bears wide receiver Brandon Marshall (15) throws one of his shoes into the stands after the Bears' 24-21 win over the Cincinnati Bengals in an NFL football game, Sunday, Sept. 8, 2013, in Chicago. (AP Photo/Nam Y. Huh)

Seattle Seahawks' Jermaine Kearse, left, and Russell Wilson, right, celebrate their touchdown pass and catch against the Carolina Panthers during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 8, 2013. Seattle won 12-7. (AP Photo/Mike McCarn)

Seattle Seahawks' Marshawn Lynch (24) runs past Carolina Panthers' Luke Kuechly (59) during the second half of an NFL football game in Charlotte, N.C., Sunday, Sept. 8, 2013. Seattle won 12-7. (AP Photo/Mike McCarn)

Buffalo Bills cornerback Leodis McKelvin (21) tackles New England Patriots' Shane Vereen (34) during the second half of an NFL football game on Sunday, Sept. 8, 2013, in Orchard Park. (AP Photo/Bill Wippert)

Buffalo Bills quarterback EJ Manuel (3) avoids New England Patriots' Chandler Jones (95) and Rob Ninkovich (50) during the second half of an NFL football game on Sunday, Sept. 8, 2013, in Orchard Park. (AP Photo/Bill Wippert)

Chicago Bears wide receiver Brandon Marshall (15) makes a reception as Cincinnati Bengals cornerback Terence Newman (23) tackles him during the second half of an NFL football game, Sunday, Sept. 8, 2013, in Chicago. The Bears won 24-21. (AP Photo/Charles Rex Arbogast)