Chicago Bears wide receiver Dane Sanzenbacher (18) makes an 18-yard touchdown reception under pressure from Minnesota Vikings safety Jamarca Sanford in the first half of an NFL football game in Chicago, Sunday, Oct. 16, 2011. (AP Photo/Michael Conroy)

Green Bay Packers wide receiver James Jones (89) celebrates his touchdown from Aaron Rodgers with a Lambeau Leap during first half action between the St.Louis Rams and the Green Bay Packers at Lambeau Field in Green Bay, WI. on Oct. 16, 2011. (Todd Rosenberg/NFL)

Oct 16, 2011; Detroit, OH, USA; San Francisco 49ers tight end Delanie Walker (46) celebrates after scoring a touchdown in the fourth quarter against the Detroit Lions at Ford Field. Mandatory Credit: Andrew Weber- US PRESSWIRE

Jacksonville Jaguars running back Maurice Jones-Drew (32) is stopped by Pittsburgh Steelers defensive end Brett Keisel, rear right, and safety Ryan Clark (25) in the third quarter of an NFL football game on Sunday, Oct. 16, 2011, in Pittsburgh. The Steelers won 17-13. (AP Photo/Keith Srakocic)

Atlanta Falcons running back Michael Turner (33) dives into the end zone as Carolina Panthers defensive end Greg Hardy (76) leaps over a Falcons player during the second half of an NFL football game Sunday, Oct. 16, 2011, in Atlanta. (AP Photo/Rich Addicks)

RETRANSMISSION FOR ALTERNATE CROP - Philadelphia Eagles quarterback Michael Vick (7) is sacked by Washington Redskins strong safety LaRon Landry (30) and outside linebacker Ryan Kerrigan (91) during the second half of an NFL football game in Landover, Md., Sunday, Oct. 16, 2011. Vick was injured on the play. (AP Photo/Evan Vucci)

New York Giants quarterback Eli Manning (10) looks on during the third quarter of an NFL football game against the Buffalo Bills Sunday, Oct. 16, 2011, in East Rutherford, N.J. (AP Photo/Julio Cortez)

Green Bay Packers inside linebacker Desmond Bishop takes down St. Louis Rams running back Steven Jackson (39) during the second half of an NFL football game Sunday, Oct. 16, 2011, in Green Bay, Wis. The Packers won 24-3. (AP Photo/Jeffrey Phelps)

New York Giants running back Ahmad Bradshaw (44) dives past Buffalo Bills free safety Jairus Byrd (31) and Nick Barnett (50) for a touchdown during the third quarter of an NFL football game on Sunday, Oct. 16, 2011, in East Rutherford, N.J. (AP Photo/Julio Cortez)

Atlanta Falcons defensive end Ray Edwards (93) and defensive tackle Jonathan Babineaux, right, sack Carolina Panthers quarterback Cam Newton (1) during the second half of an NFL football game Sunday, Oct. 16, 2011, in Atlanta. (AP Photo/John Bazemore)

Cincinnati Bengals defensive end Robert Geathers (91) celebrates with defensive end Michael Johnson (93) after Johnson sacked Indianapolis Colts quarterback Curtis Painter (7) in the second half of an NFL football game on Sunday, Oct. 16, 2011, in Cincinnati. (AP Photo/Tom Uhlman)

San Francisco 49ers wide receiver Michael Crabtree (15) loses control of the ball defended by Detroit Lions cornerback Chris Houston (23) during the second quarter of an NFL football game in Detroit, Sunday, Oct. 16, 2011. (AP Photo/Carlos Osorio)

Jacksonville Jaguars free safety Dawan Landry (26) loses his helmet as he hits Pittsburgh Steelers tight end Heath Miller (83) after Miller made a catch in the second quarter of an NFL football game on Sunday, Oct. 16, 2011, in Pittsburgh. (AP Photo/Don Wright)

Atlanta Falcons wide receiver Roddy White (84) is tackled by Carolina Panthers cornerback Darius Butler (27) during the first half of an NFL football game Sunday, Oct. 16, 2011, in Atlanta. (AP Photo/Rich Addicks)

Indianapolis Colts running back Donald Brown (31) jumps over Cincinnati Bengals safety Reggie Nelson (20) in the first half of an NFL football game, Sunday, Oct. 16, 2011, in Cincinnati. (AP Photo/David Kohl)

Philadelphia Eagles running back Dion Lewis is stopped just short of the goal line by Washington Redskins outside linebacker Brian Orakpo during the first half of an NFL football game in Landover, Md., Sunday, Oct. 16, 2011. (AP Photo/Evan Vucci)

Oct 16, 2011; Detroit, OH, USA; Detroit Lions offensive tackle Corey Hilliard (78) and wide receiver Rashied Davis (82) during player introductions prior to the game against the San Francisco 49ers at Ford Field. Mandatory Credit: Andrew Weber- US PRESSWIRE

Carolina Panthers running back Jonathan Stewart (28) runs under the defense of Atlanta Falcons outside linebacker Sean Weatherspoon (56) and free safety Thomas DeCoud, rear, during the first half of an NFL football game Sunday, Oct. 16, 2011, in Atlanta. (AP Photo/John Amis)

Detroit Lions defensive end Kyle Vanden Bosch, left, strips the ball away from San Francisco 49ers quarterback Alex Smith (11) during the first quarter of an NFL football game in Detroit, on Sunday, Oct. 16, 2011. (AP Photo/Rick Osentoski)

Carolina Panthers outside linebacker Thomas Davis, left, tackles Atlanta Falcons tight end Tony Gonzalez (88) during the first half of an NFL football game Sunday, Oct. 16, 2011, in Atlanta. (AP Photo/Rich Addicks)

Jacksonville Jaguars running back Maurice Jones-Drew, center, is stopped by Pittsburgh Steelers cornerback Ike Taylor, left, and defensive back Ryan Mundy in the first quarter of an NFL football game on Sunday, Oct. 16, 2011, in Pittsburgh. (AP Photo/Keith Srakocic)

Pittsburgh Steelers running back Rashard Mendenhall (34) leaps across the goal line over Jacksonville Jaguars cornerback Rashean Mathis for a touchdown during the first quarter of an NFL football game on Sunday, Oct. 16, 2011, in Pittsburgh. (AP Photo/Don Wright)

Carolina Panthers quarterback Cam Newton (1) breaks from the grasp of Atlanta Falcons defensive tackle Jonathan Babineaux (95) during the first half of an NFL football game Sunday, Oct. 16, 2011, in Atlanta. (AP Photo/Rich Addicks)

New York Giants cornerback Corey Webster, front, prepares to intercept a pass intended for Buffalo Bills wide receiver Steve Johnson (13) during the third quarter of an NFL football game on Sunday, Oct. 16, 2011, in East Rutherford, N.J. (AP Photo/Julio Cortez)

San Francisco 49ers tight end Delanie Walker (46) celebrates his fourth quarter touchdown with wide receiver Michael Crabtree (15) to take the lead in an NFL football game Sunday, Oct. 16, 2011 in Detroit. The 49ers defeated the Lions 25-19. (AP Photo/Duane Burleson)

The Detroit Lions prepare to walk onto the field before during the first quarter of an NFL football game against the San Francisco 49ers in Detroit, Sunday, Oct. 16, 2011. (AP Photo/Carlos Osorio)

New Orleans Saints linebacker Jonathan Vilma (51) takes down Tampa Bay Buccaneers running back Kregg Lumpkin (28) during the second quarter of an NFL football game, Sunday, Oct. 16, 2011, in Tampa, Fla. (AP Photo/Brian Blanco)

Houston Texans wide receiver Jacoby Jones (12) makes a touchdown catch above Baltimore Ravens safety Ed Reed in the second half of an NFL football game, Sunday, Oct. 16, 2011, in Baltimore. (AP Photo/Steve Ruark)

Atlanta Falcons running back Michael Turner (33) is introduced to the crowd during an NFL football game against the Carolina Panthers in Atlanta, Georgia, Sunday, October 16, 2011. (AP Photo/Paul Abell)

New England Patriots wide receiver Wes Welker (83) enter the end zone for a touchdown as he is tackled by Dallas Cowboys cornerback Orlando Scandrick (32) during the first half of an NFL football game in Foxborough, Mass., Sunday, Oct. 16, 2011. (AP Photo/Charles Krupa)

Dallas Cowboys running back Tashard Choice (23) dives through a hole in the New England Patriots defensives line during the first half of their NFL football game in Foxborough, Mass., Sunday, Oct. 16, 2011. (AP Photo/Elise Amendola)

Minnesota Vikings tight end Visanthe Shiancoe (81) is tackled by Chicago Bears cornerback D.J. Moore (30) in the first half of an NFL football game, Sunday, Oct. 16, 2011, in Chicago. (AP Photo/Nam Y. Huh)

Chicago Bears running back Marion Barber (24) scores on a 3-yard run past Minnesota Vikings safety Jamarca Sanford (33) and defensive back Marcus Sherels (35) in the first half of an NFL football game, Sunday, Oct. 16, 2011, in Chicago. (AP Photo/Nam Y. Huh)

Oakland Raiders wide receiver Darrius Heyward-Bey (85) runs as Cleveland Browns defensive back Dimitri Patterson, top, and defensive back Usama Young (28) pursue in the fourth quarter of an NFL football game in Oakland, Calif., Sunday, Oct. 16, 2011. (AP Photo/Paul Sakuma)

Cincinnati Bengals wide receiver Jerome Simpson runs onto the field at the start of an NFL football game against the Indianapolis Colts, Sunday, Oct. 16, 2011, in Cincinnati. (AP Photo/David Kohl)