Detroit Lions running back Joique Bell celebrates with fans after scoring during the fourth quarter of an NFL football game against the New York Giants in Detroit, Monday, Sept. 8, 2014. (AP Photo/Bill Fundaro)

Detroit Lions quarterback Matthew Stafford (9) reacts after scoring a touchdown during the third quarter of an NFL football game against the New York Giants in Detroit, Monday, Sept. 8, 2014. (AP Photo/Paul Sancya)

New York Giants tight end Larry Donnell (84), defended by Detroit Lions free safety Isa Abdul-Quddus (42), scores on a 1-yard reception during the second quarter of an NFL football game in Detroit, Monday, Sept. 8, 2014. (AP Photo/Rick Osentoski)

New York Giants strong safety Stevie Brown deflects a pass intended for Detroit Lions tight end Eric Ebron (85) during the first quarter of an NFL football game in Detroit, Monday, Sept. 8, 2014. (AP Photo/Paul Sancya)

Detroit Lions wide receiver Calvin Johnson throws down the football after scoring on a 16-yard reception during the first quarter of an NFL football game against the New York Giants in Detroit, Monday, Sept. 8, 2014. (AP Photo/Rick Osentoski)

A Detroit Lions team members moves the practice kicking net during the first quarter of an NFL football game against the New York Giants in Detroit, Monday, Sept. 8, 2014. (AP Photo/Paul Sancya)

Carolina Panthers wide receiver Kelvin Benjamin, left, pulls in a 26-yard touchdown reception as he is covered by Tampa Bay Buccaneers cornerback Mike Jenkins (24) during the fourth quarter of an NFL football game Sunday, Sept. 7, 2014, in Tampa, Fla. (AP Photo/Phelan M. Ebenhack)

Denver Broncos running back Montee Ball (28) dives for the end zone on a touchdown run during the NFL week 1 game between the Indianapolis Colts and the Denver Broncos on Sunday, Sept. 7, 2014 at Sports Authority Field at Mile High in Denver. (Ric Tapia/NFL)

Baltimore Ravens wide receiver Steve Smith (89) is stopped by Cincinnati Bengals cornerback Terence Newman (23) and free safety Reggie Nelson (20) during the second half of an NFL football game in Baltimore, Md., Sunday, Sept. 7, 2014. (AP Photo/Patrick Semansky)

Minnesota Vikings running back Adrian Peterson runs with the ball during the fourth quarter an NFL football game against the St. Louis Rams Sunday, Sept. 7, 2014, in St. Louis. (AP Photo/L.G. Patterson)

Cleveland Browns wide receiver Travis Benjamin (11) makes a touchdown catch in front of Pittsburgh Steelers cornerback Ike Taylor (24) in the fourth quarter of the NFL football game on Sunday, Sept. 7, 2014 in Pittsburgh. (AP Photo/Gene Puskar)

Philadelphia Eagles' Jeremy Maclin reacts as he scores a touchdown during the second half of an NFL football game against the Jacksonville Jaguars, Sunday, Sept. 7, 2014, in Philadelphia. (AP Photo/Chris Szagola)

Buffalo Bills running back Fred Jackson (22) tries to stretch for the end zone as he is tackled by Chicago Bears linebacker Jon Bostic (57) during overtime of an NFL football game Sunday, Sept. 7, 2014, in Chicago. The run set up a game-winning field goal in the Bills 23-20 win over the Bears. (AP Photo/Charles Rex Arbogast)

Pittsburgh Steelers running back Le'Veon Bell (26) tumbles onto the end zone scoring a touchdown against the Cleveland Browns in the second quarter of the NFL football game on Sunday, Sept. 7, 2014, in Pittsburgh. (AP Photo/Don Wright)

Pittsburgh Steelers' Antwon Blake (41) is tackled by Cleveland Browns cornerback Jordan Poyer (33) and defensive back K'Waun Williams (36) after making a first down on a fake punt attempt in the fourth quarter of the NFL football game on Sunday, Sept. 7, 2014 in Pittsburgh. (AP Photo/Don Wright)

Denver Broncos running back C.J. Anderson (22) is tackled by Indianapolis Colts free safety Darius Butler (20) during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Denver. (AP Photo/Joe Mahoney)

Philadelphia Eagles' Nick Foles dives for a fumble after a hit from Jacksonville Jaguars' Andre Branch during the second half of an NFL football game, Sunday, Sept. 7, 2014, in Philadelphia. (AP Photo/Chris Szagola)

San Francisco 49ers quarterback Colin Kaepernick (7) escapes the grasp of Dallas Cowboys defensive end Jeremy Mincey (92) in the first half of an NFL football game, Sunday, Sept. 7, 2014, in Arlington, Texas. (AP Photo/LM Otero)

Houston Texans defensive end J.J. Watt (99) celebrates with teammate strong safety D.J. Swearinger (36) after swatting the ball down during an NFL football game against the Washington Redskins at NRG Stadium on Sunday September 7, 2014 in Houston, Texas. Houston won 17-6. (Aaron M. Sprecher/NFL)

Denver Broncos tight end Julius Thomas (80) celebrates his touchdown against the Indianapolis Colts during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Denver. (AP Photo/Jack Dempsey)

Atlanta Falcons kicker Matt Bryant (3) walks off the field after kicking the game-winning field goal against the New Orleans Saints during overtime of an NFL football game, Sunday, Sept. 7, 2014, in Atlanta. The Atlanta Falcons won in overtime 37-34. (AP Photo/John Bazemore)

Carolina Panthers tight end Greg Olsen (88) pulls in a five-yard touchdown pass in front of teammate wide receiver Kelvin Benjamin (13) during the second quarter of an NFL football game against the Tampa Bay Buccaneers Sunday, Sept. 7, 2014, in Tampa, Fla. (AP Photo/Brian Blanco)

San Francisco 49ers running back Carlos Hyde (28) falls into the end zone for a touchdown after a short run with help from tackle Joe Staley (74) as Dallas Cowboys outside linebacker Bruce Carter (54) defends in the first half of an NFL football game, Sunday, Sept. 7, 2014, in Arlington, Texas. (AP Photo/LM Otero)

San Francisco 49ers quarterback Colin Kaepernick (7) is taken down by Dallas Cowboys defensive back Sterling Moore (26) and free safety Barry Church during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Arlington, Texas. (AP Photo/LM Otero)

Indianapolis Colts quarterback Andrew Luck (12) dives for the end zone during the NFL week 1 game between the Indianapolis Colts and the Denver Broncos on Sunday, Sept. 7, 2014 at Sports Authority Field at Mile High in Denver. (Ric Tapia/NFL)

Philadelphia Eagles' Cary Williams, left, and Jaylen Watkins, right, break up a pass intended for Jacksonville Jaguars' Allen Hurns during the second half of an NFL football game, Sunday, Sept. 7, 2014, in Philadelphia. (AP Photo/Michael Perez)

New Orleans Saints running back Mark Ingram (22) scores a touchdown against Atlanta Falcons defensive end Osi Umenyiora (50) and Atlanta Falcons defensive back Kemal Ishmael (36) during the second half of an NFL football game, Sunday, Sept. 7, 2014, in Atlanta. (AP Photo/John Bazemore)

Miami Dolphins wide receiver Brian Hartline (82) defends against a tackle by New England Patriots cornerback Malcolm Butler (21), during the first half of an NFL football game in Miami Gardens, Fla., Sunday, Sept. 7, 2014. (AP Photo/Lynne Sladky)

Miami Dolphins running back Lamar Miller (26) is tackled by New England Patriots strong safety Tavon Wilson (27), during the second half of an NFL football game, in Miami Gardens, Fla., Sunday Sept. 7, 2014. (AP PhotoLynne Sladky)

Baltimore Ravens running back Justin Forsett (29) is picked up by teammate Jeremy Zuttah (53) after scoring a touchdown during the second half of an NFL football game against the Cincinnati Bengals in Baltimore, Md., Sunday, Sept. 7, 2014. (AP Photo/Nick Wass)

Tennessee Titans quarterback Jake Locker (10) gets past Kansas City Chiefs outside linebacker Justin Houston (50) as he looks for a receiver during the first half of an NFL football game Sunday, Sept. 7, 2014, in Kansas City, Mo. (AP Photo/Charlie Riedel)

Philadelphia Eagles' Darren Sproles (43) is tackled by Jacksonville Jaguars' Alan Ball (23) after rushing for a touchdown during the second half of an NFL football game, Sunday, Sept. 7, 2014, in Philadelphia. (AP Photo/Michael Perez)

Tennessee Titans running back Leon Washington (29) is tackled by Kansas City Chiefs defensive back Ron Parker (38) and linebacker Derrick Johnson (56) in the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 7, 2014. (AP Photo/Charlie Riedel)

Baltimore Ravens quarterback Joe Flacco (5) is stopped by Cincinnati Bengals defensive end Wallace Gilberry (95), middle linebacker Vincent Rey (57) and free safety Reggie Nelson (20) during the first half of an NFL football game in Baltimore, Md., Sunday, Sept. 7, 2014. (AP Photo/Patrick Semansky)

Atlanta Falcons wide receiver Julio Jones (11) stretches after making a catch against New Orleans Saints cornerback Patrick Robinson (21) during the second half of an NFL football game, Sunday, Sept. 7, 2014, in Atlanta. (AP Photo/John Bazemore)

Tennessee Titans running back Leon Washington (29) breaks a tackle by Kansas City Chiefs cornerback Chris Owens (20) in the first half of an NFL football game in Kansas City, Mo., Sunday, Sept. 7, 2014. (AP Photo/Charlie Riedel)

Miami Dolphins running back Lamar Miller (26) fumbles the ball as New England Patriots outside linebacker Dont'a Hightower (54) runs for the ball, during the first half of an NFL football game, in Miami Gardens, Fla., Sunday Sept. 7, 2014. (AP Photo/Lynne Sladky)

New England Patriots quarterback Tom Brady (12) celebrates a touchdown with New England Patriots tight end Rob Gronkowski (87) during the first half of an NFL football game against the Miami Dolphins, in Miami Gardens, Fla., Sunday Sept. 7, 2014. (AP Photo/Lynne Sladky)

Atlanta Falcons wide receiver Roddy White (84) makes a touchdown catch against New Orleans Saints cornerback Keenan Lewis (28) during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Atlanta. (AP Photo/David Goldman)

Miami Dolphins wide receiver Mike Wallace (11) fumbles the ball as New England Patriots outside linebacker Jerod Mayo, left, tries to recover during the first half of an NFL football game in Miami Gardens, Fla., Sunday Sept. 7, 2014. (AP Photo/Lynne Sladky)

New York Jets' Dawan Landry (26) tackles Oakland Raiders' Brian Leonhardt (87) during the first half of an NFL football game Sunday, Sept. 7, 2014, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Houston Texans' Kendrick Lewis (21) trips up Washington Redskins' Jordan Reed (86) during the first quarter of an NFL football game Sunday, Sept. 7, 2014, in Houston. (AP Photo/David J. Phillip)

Atlanta Falcons tight end Levine Toilolo (80) flies over New Orleans Saints cornerback Keenan Lewis (28) during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Atlanta. (AP Photo/John Bazemore)

In this image made with a fisheye lens, New Orleans Saints quarterback Drew Brees (9) cheers with teammates before the first half of an NFL football game against the Atlanta Falcons, Sunday, Sept. 7, 2014, in Atlanta. (AP Photo/John Bazemore)

New Orleans Saints wide receiver Brandin Cooks (10) is hit by Atlanta Falcons free safety Dwight Lowery (20) during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Atlanta. (AP Photo/David Goldman)

Cincinnati Bengals running back Giovani Bernard (25) carries the ball between Baltimore Ravens nose tackle Haloti Ngata (92), left, and inside linebacker C.J. Mosley (57) during the first half of an NFL football game in Baltimore, Md., Sunday, Sept. 7, 2014. (AP Photo/Patrick Semansky)

Pittsburgh Steelers running back Le'Veon Bell (26) is tackled by Cleveland Browns cornerback Buster Skrine (22) after making a catch in the first quarter of the NFL football game on Sunday, Sept. 7, 2014 in Pittsburgh. (AP Photo/Gene J. Puskar)

Jacksonville Jaguars' Allen Hurns, right, catches a touchdown pass against Philadelphia Eagles' Cary Williams during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Philadelphia. (AP Photo/Matt Rourke)

New York Jets wide receiver Greg Salas (17) dives for a pass in the end zone during the first half of an NFL football game against the Oakland Raiders Sunday, Sept. 7, 2014, in East Rutherford, N.J. The pass was incomplete. (AP Photo/Bill Kostroun)

Philadelphia Eagles' Nick Foles, bottom, fumbles the football after a hit from Jacksonville Jaguars' Andre Branch during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Philadelphia. (AP Photo/Michael Perez)

Seattle Seahawks defensive end Michael Bennett (72) sacks Green Bay Packers quarterback Aaron Rodgers (12) at CenturyLink Field during an NFL game on Thursday, Sept. 4, 2014 in Seattle. (Ben Liebenberg/NFL)

Sep 4, 2014; Seattle, WA, USA; Recording artist and entertainer Pharrell Williams performs at the 2014 NFL Kickoff Concert at CenturyLink Field. (Kirby Lee/USA TODAY Sports)

Green Bay Packers wide receiver Jordy Nelson (87) reaches for the end zone against the Seattle Seahawks at CenturyLink Field during an NFL game on Thursday, Sept. 4, 2014 in Seattle. (Ric Tapia/NFL)

Green Bay Packers free safety Ha Ha Clinton-Dix (21) tackles Seattle Seahawks wide receiver Percy Harvin (11) after a pass reception during the first half of an NFL football game, Thursday, Sept. 4, 2014, in Seattle. (AP Photo/Elaine Thompson)

Seattle Seahawks quarterback Russell Wilson (3) is tackled by Green Bay Packers outside linebacker Clay Matthews (52) and linebacker Julius Peppers (56) at CenturyLink Field during an NFL game on Thursday, Sept. 4, 2014 in Seattle. (Ric Tapia/NFL)

Seattle Seahawks cornerback Richard Sherman (25) reacts against the Green Bay Packers at CenturyLink Field during an NFL game on Thursday, Sept. 4, 2014 in Seattle. (Aaron M. Sprecher/NFL)

Oakland Raiders wide receiver Rod Streater (80) runs away from New York Jets strong safety Dawan Landry (26) for a touchdown during the first half of an NFL football game Sunday, Sept. 7, 2014, in East Rutherford, N.J. (AP Photo/Seth Wenig)

Chicago Bears linebacker D.J. Williams (58) and linebacker Jon Bostic (57) prepare to run out to the field for introductions before an NFL football game against the Buffalo Bills Sunday, Sept. 7, 2014, in Chicago. (AP Photo/Nam Y. Huh)

Buffalo Bills running back Fred Jackson (22) is tackled by Chicago Bears defensive tackle Jeremiah Ratliff (90) during the first half of an NFL football game Sunday, Sept. 7, 2014, in Chicago. (AP Photo/Charles Rex Arbogast)

Atlanta Falcons wide receiver Roddy White (84) celebrates his touchdown against the New Orleans Saints with Atlanta Falcons wide receiver Julio Jones (11) during the first half of an NFL football game, Sunday, Sept. 7, 2014, in Atlanta. (AP Photo/John Bazemore)

Houston Texans' Alfred Blue (28) blocks a punt by Washington Redskins' Tress Way (5) during the second quarter of an NFL football game Sunday, Sept. 7, 2014, in Houston. Blue scored on the play. (AP Photo/David J. Phillip)

Minnesota Vikings wide receiver Greg Jennings, right, catches an 8-yard touchdown pass as St. Louis Rams cornerback E.J. Gaines defends during the second quarter an NFL football game Sunday, Sept. 7, 2014, in St. Louis. (AP Photo/Tom Gannam)

Miami Dolphins running back Lamar Miller (26) tackles New England Patriots cornerback Darrelle Revis (24) after Revis recovered a fumble by Miller, during the first half of an NFL football game, in Miami Gardens, Fla., Sunday Sept. 7, 2014. (AP Photo/Wilfredo Lee)

Pittsburgh Steelers quarterback Ben Roethlisberger (7) greets wide receiver Antonio Brown (84) after Brown caught a touchdown pass from him in the second quarter of the NFL football game against the Cleveland Browns on Sunday, Sept. 7, 2014 in Pittsburgh. (AP Photo/Gene J. Puskar)

Chicago Bears wide receiver Brandon Marshall (15) makes a touchdown catch in the end zone in front of Buffalo Bills cornerback Leodis McKelvin (21) during the second half of an NFL football game Sunday, Sept. 7, 2014, in Chicago. (AP Photo/Nam Y. Huh)