St. Louis Rams wide receiver Danario Alexander (84) jumps over San Francisco 49ers safety Donte Whitner (31) but cannot make the catch during the second half of an NFL football game in San Francisco, Sunday, Dec. 4, 2011. The 49ers won 26-0. (AP Photo/Marcio Jose Sanchez)

Dec 5, 2011; Jacksonville FL, USA; San Diego Chargers wide receiver Vincent Brown (86) is unable to catch a pass in the end zone while pursued by Jacksonville Jaguars defensive back Dwight Lowery (25) during the first quarter of their game at EverBank Field. Mandatory Credit: Phil Sears-US PRESSWIRE

San Diego Chargers wide receiver Vincent Jackson (83) pulls in a pass in front of Jacksonville Jaguars strong safety Dwight Lowery (25) during the second quarter of an NFL football game Monday, Dec. 5, 2011, in Jacksonville, Fla. (AP Photo/Stephen Morton)

December 4, 2011; Tampa, FL, USA; Carolina Panthers defensive end Greg Hardy (76) sacks Tampa Bay Buccaneers quarterback Josh Johnson (11) during the first half at Raymond James Stadium. Mandatory Credit: Kim Klement-US PRESSWIRE

Dallas Cowboys wide receiver Laurent Robinson (81) pulls in a pass over Arizona Cardinals cornerback A.J. Jefferson (20) during the second half of an NFL football game, Sunday, Dec. 4, 2011, in Glendale, Ariz. The Cardinals won 19-13 overtime. (AP Photo/Matt York)

Green Bay Packers' Tramon Williams (38) breaks up a pass to New York Giants' Hakeem Nicks (88) during the fourth quarter of an NFL football game Sunday, Dec. 4, 2011, in East Rutherford, N.J. (AP Photo/Julio Cortez)

Carolina Panthers quarterback Cam Newton (1) slaps hands with fans as he runs off the field following an NFL football game against the Tampa Bay Buccaneers Sunday, Dec. 4, 2011, in Tampa, Fla. (AP Photo/Brian Blanco)

New Orleans Saints quarterback Drew Brees (9) passes as Detroit Lions defensive end Kyle Vanden Bosch (93) is held by New Orleans Saints offensive tackle Jermon Bushrod (74) during the fourth quarter of an NFL football game in New Orleans, Sunday, Dec. 4, 2011. Brees passed for 342 yards and three touchdowns, giving him 4,031 yards on the season and making him the first quarterback in NFL history to eclipse the 4,000-yard mark in the first 12 games of the season. The Saints won 31-17. (AP Photo/Bill Feig)

New Orleans Saints quarterback Drew Brees (9) is sacked by Detroit Lions defensive tackle Sammie Lee Hill (91) during the second quarter of an NFL football game in New Orleans, Sunday, Dec. 4, 2011. (AP Photo/Bill Haber)

Buffalo Bills' Ryan Fitzpatrick (14) is sacked by Tennessee Titans' Karl Klug (97) during the second half of an NFL football game in Orchard Park, N.Y., Sunday, Dec. 4, 2011. The Titans won 23-17. (AP Photo/Gary Wiepert)

San Francisco 49ers offensive tackle Joe Staley (74) dumps gatorade on head coach Jim Harbaugh during the fourth quarter of an NFL football game against the St. Louis Rams in San Francisco, Sunday, Dec. 4, 2011. The 49ers won 26-0. (AP Photo/Paul Sakuma)

Dec 4, 2011; Miami, FL, USA; Oakland Raiders cornerback Chris Johnson (37) breaks up a pass for Miami Dolphins wide receiver Brian Hartline (82) in the second quarter at Sun Life Stadium. Mandatory Credit: Robert Mayer-US PRESSWIRE

Dec 4, 2011; Foxborough, MA, USA; New England Patriots tight end Rob Gronkowski (87) runs the ball for a touchdown in the second half against the Indianapolis Colts at Gillette Stadium. Mandatory Credit: David Butler II-US PRESSWIRE

December 4, 2011; Tampa, FL, USA; Carolina Panthers quarterback Cam Newton (1) smiles after he scored a touchdown during the second half against the Tampa Bay Buccaneers at Raymond James Stadium. Carolina won 38-19. Mandatory Credit: Kim Klement-US PRESSWIRE

Dec 4, 2011; Chicago, IL, USA; Chicago Bears wide receiver Roy Williams (11) bobbles a pass as Kansas City Chiefs free safety Kendrick Lewis (23) defends during the second half at Soldier Field. The pass was intercepted. The Chiefs defeated the Bears 10-3. Mandatory Credit: Dennis Wierzbicki-US PRESSWIRE

Dec. 4, 2011; Miami, FL, USA; Oakland Raiders wide receiver Darrius Heyward-Bey (85) scores a touchdown during the second half against the Miami Dolphins at Sun Life Stadium. Miami won 34-14. Mandatory Credit: Steve Mitchell-US PRESSWIRE

Dec 4, 2011; Miami, FL, USA; Miami Dolphins receiver Brandon Marshall (19) catches a 38-yard pass in the third quarter as Oakland Raiders cornerback Lito Sheppard (21) defends at Sun Life Stadium. The Dolphins defeated the Raiders 34-14. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

Dec 4, 2011; Orchard Park, NY, USA; Buffalo Bills inside linebacker Nick Barnett (50) tackles Tennessee Titans running back Chris Johnson (28) during the third quarter at Ralph Wilson Stadium. Titans beat the Bills 23-17. Mandatory Credit: Kevin Hoffman-US PRESSWIRE

Dec 4, 2011; Miami, FL, USA; Oakland Raiders fullback Marcel Reece (45) hurdles Miami Dolphins safety Reshad Jones (20) in the fourth quarter at Sun Life Stadium. The Dolphins defeated the Raiders 34-14. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

Dec. 4, 2011; Glendale, AZ, USA; Arizona Cardinals running back (26) Beanie Wells stiff arms Dallas Cowboys linebacker (93) Anthony Spencer in the second quarter at University of Phoenix Stadium. Mandatory Credit: Mark J. Rebilas-US PRESSWIRE

Dec 4, 2011; Minneapolis, MN, USA; Denver Broncos fullback Spencer Larsen (46) gains one yard as Minnesota Vikings defensive tackle Kevin Williams (93) and defensive end Jared Allen (69) stop him in the first quarter at the Metrodome. Broncos win 35-32. Mandatory Credit: Bruce Kluckhohn-US PRESSWIRE

Dec 4, 2011; Minneapolis, MN, USA; Minnesota Vikings cornerback Cedric Griffin (23) prevents Denver Broncos wide receiver Demaryius Thomas (88) from catching a pass near the end zone in the fourth quarter at the Metrodome. Broncos win 35-32. Mandatory Credit: Bruce Kluckhohn-US PRESSWIRE

December 4, 2011; Cleveland, OH , USA; Cleveland Browns tight end Benjamin Watson (82) hurdles over Baltimore Ravens free safety Ed Reed (20) after making a catch during the third quarter at Cleveland Browns Stadium. Mandatory Credit: Eric P. Mull-US PRESSWIRE

Dec 4, 2011; East Rutherford, NJ, USA; New York Giants wide receiver Hakeem Nicks (88) is tackled by Green Bay Packers cornerback Charles Woodson (21) and free safety Morgan Burnett (42) after catching a pass during the first half at MetLife Stadium. Mandatory Credit: Ed Mulholland-US PRESSWIRE

Arizona Cardinals quarterback Kevin Kolb (4) scrambles as Dallas Cowboys outside linebacker Anthony Spencer (93) pursues during the first half of an NFL football game, Sunday, Dec. 4, 2011, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

Houston Texans tight end Joel Dreessen (85) celebrates after defeating the Atlanta Falcons in an NFL football game on Sunday, Dec. 4, 2011, in Houston. The Texans won 17-10. (AP Photo/David J. Phillip)

Tampa Bay Buccaneers wide receiver Mike Williams (19) slips a tackle by Carolina Panthers cornerback Darius Butler (27) during the fourth quarter of an NFL football game on Sunday, Dec. 4, 2011, in Tampa, Fla. (AP Photo/Chris O'Meara)

Carolina Panthers wide receiver Brandon LaFell (11) is lifted off his feet by Tampa Bay Buccaneers defensive back E.J. Biggers during the fourth quarter of an NFL football game on Sunday, Dec. 4, 2011, in Tampa, Fla. (AP Photo/Chris O'Meara)

Atlanta Falcons wide receiver Julio Jones, top, makes the catch as Houston Texans cornerback Jason Allen (30) forces him out of bounds in the fourth quarter of an NFL football game on Sunday, Dec. 4, 2011, in Houston. The Texans won 17-10. (AP Photo/David J. Phillip)

Cincinnati Bengals tight end Jermaine Gresham (84) makes a catch for a first down under coverage by Pittsburgh Steelers free safety Ryan Clark in the second quarter of the NFL football game in Pittsburgh, Sunday, Dec. 4, 2011. (AP Photo/Don Wright)

New York Jets wide receiver Santonio Holmes celebrates his touchdown in front of Washington Redskins cornerback Josh Wilson during the second half of an NFL football game in Landover, Md., Sunday, Dec. 4, 2011. (AP Photo/Pablo Martinez Monsivais)

Kansas City Chiefs cornerback Brandon Carr (39) intercepts a pass intended for Chicago Bears wide receiver Johnny Knox (13) in the second half of an NFL football game in Chicago, Sunday, Dec. 4, 2011. (AP Photo/Charles Rex Arbogast)

Chicago Bears wide receiver Devin Hester (23) makes a catch under pressure from Kansas City Chiefs safety Kendrick Lewis (23) in the second half of an NFL football game in Chicago, Sunday, Dec. 4, 2011. (AP Photo/Charles Rex Arbogast)

Cincinnati Bengals wide receiver Brandon Tate (19) pulls in a touchdown pass after getting behind Pittsburgh Steelers cornerback Ike Taylor (24) and inside linebacker James Farrior in the second quarter of the NFL football game in Pittsburgh, Sunday, Dec. 4, 2011. (AP Photo/Don Wright)

New England Patriots tight end Rob Gronkowski (87) heads past Indianapolis Colts linebacker A.J. Edds (52) during the second half of an NFL football game in Foxborough, Mass., Sunday, Dec. 4, 2011. (AP Photo/Elise Amendola)

Pittsburgh Steelers wide receiver Antonio Brown (84) returns a punt for a 60-yard touchdown past Cincinnati Bengals' Manny Lawson (99) in the second quarter of the NFL football game in Pittsburgh, Sunday, Dec. 4, 2011 . (AP Photo/Don Wright)

Miami Dolphins wide receiver Brandon Marshall (19) is tackled by Oakland Raiders defensive back Mike Mitchell (34) and running back Taiwan Jones (22) after completing a pass during the second half of an NFL football game on Sunday, Dec. 4, 2011, in Miami , Fla. (AP Photo/Hans Deryk)

Pittsburgh Steelers' Antonio Brown (84) celebrates with teammate Isaac Redman (33) after returning a punt for a 60-yard touchdown in the second quarter of an NFL football game against the Cincinnati Bengals in Pittsburgh, on Sunday, Dec. 4, 2011. (AP Photo/Don Wright)

Buffalo Bills' Corey McIntyre (38) jumps over Tennessee Titans' Alterraun Verner during the first half of an NFL football game in Orchard Park, N.Y., Sunday, Dec. 4, 2011. (AP Photo/Derek Gee)

Carolina Panthers wide receiver Legedu Naanee (17) celebrates after scoring on a 19-yard touchdown pass against the Tampa Bay Buccaneers during the second quarter of an NFL football game on Sunday, Dec. 4, 2011, in Tampa, Fla. (AP Photo/Brian Blanco)

Miami Dolphins inside linebacker Kevin Burnett (56) sacks Oakland Raiders quarterback Carson Palmer (3) during the first half of an NFL football game on Sunday, Dec. 4, 2011, in Miami , Fla. (AP Photo/Wilfredo Lee)

Kansas City Chiefs linebacker Jovan Belcher (59) is blocked while trying to rush Chicago Bears quarterback Caleb Hanie (12) in the first half of an NFL football game in Chicago, Sunday, Dec. 4, 2011. (AP Photo/Charles Rex Arbogast)

Minnesota Vikings' Devin Aromashodu (19) is tackled by Denver Broncos' David Bruton (30) and Denver Broncos' Andre' Goodman (21) during the first half of an NFL football game Sunday, Dec. 4, 2011, in Minneapolis. (AP Photo/Charlie Neibergall)

Minnesota Vikings' Kyle Rudolph reacts after catching a 19-yard touchdown pass during the first half of an NFL football game against the Denver Broncos Sunday, Dec. 4, 2011, in Minneapolis. (AP Photo/Genevieve Ross)

Miami Dolphins wide receiver Davone Bess (15) celebrates his touchdown against the Oakland Raiders during the first half of an NFL football game on Sunday, Dec. 4, 2011, in Miami , Fla. (AP Photo/Wilfredo Lee)

Tennessee Titans' Chris Johnson (28) runs for a touchdown as Buffalo Bills' Aaron Williams (23) chases during the first quarter of an NFL football game in Orchard Park, N.Y., Sunday, Dec. 4, 2011. (AP Photo/David Duprey)

Houston Texans tight end Owen Daniels (81) goes airborne after being tackled by Atlanta Falcons cornerback Dunta Robinson (23) in the first quarter of an NFL football game on Sunday, Dec. 4, 2011, in Houston. (AP Photo/David J. Phillip)

Pittsburgh Steelers strong safety Troy Polamalu (43) upends Cincinnati Bengals running back Cedric Benson (32) in the first quarter of an NFL football game in Pittsburgh on Sunday, Dec. 4, 2011. (AP Photo/Don Wright)

Carolina Panthers quarterback Cam Newton (1) dives over the Tampa Bay Buccaneers defense, including middle linebacker Mason Foster (59), outside linebacker Geno Hayes (54), strong safety Sean Jones (26) and defensive end Da'Quan Bowers (91), to score from the one-yard line during the first quarter of an NFL football game on Sunday, Dec. 4, 2011, in Tampa, Fla. (AP Photo/Margaret Bowles)

Buffalo Bills' C.J. Spiller (28) runs the ball against the Tennessee Titans during the first half of an NFL football game in Orchard Park, N.Y., Sunday, Dec. 4, 2011. (AP Photo/Gary Wiepert)

Houston Texans cornerback Kareem Jackson (25) intercepts a pass intended for Atlanta Falcons wide receiver Roddy White (84) in the first quarter of an NFL football game on Sunday, Dec. 4, 2011, in Houston. (AP Photo/Dave Einsel)

Denver Broncos' Andre' Goodman (21) tackles Minnesota Vikings' Toby Gerhart (32) during the first half of an NFL football game Sunday, Dec. 4, 2011, in Minneapolis. (AP Photo/Charlie Neibergall)

New England Patriots tight end Aaron Hernandez (81) evades the tackle by Indianapolis Colts cornerback Jacob Lacey (27) as Patriots wide receiver Wes Welker (83) leaps during the first quarter of their NFL football game in Foxborough, Mass., Sunday afternoon, Dec. 4, 2011. (AP Photo/Elise Amendola)

Kansas City Chiefs running back Thomas Jones (20) falls after being tripped by Chicago Bears safety Major Wright (on ground) in the first half of an NFL football game in Chicago, Sunday, Dec. 4, 2011. Chiefs offensive guard Jon Asamoah (73) and Bears defensive tackle Henry Melton (69) look on. (AP Photo/Kiichiro Sato)

Washington Redskins running back Roy Helu, center, runs between New York Jets inside linebacker Bart Scott, left, and defensive end Muhammad Wilkerson, right, to score a touchdown during the first half of an NFL football game in Landover, Md., Sunday, Dec. 4, 2011. (AP Photo/Nick Wass)

Kansas City Chiefs running back Thomas Jones (20) is tackled by Chicago Bears defenders Amobi Okoye (91), Stephen Paea (92) and Julius Peppers (90) in the first half of an NFL football game in Chicago, Sunday, Dec. 4, 2011. (AP Photo/Nam Y. Huh)

Philadelphia Eagles' LeSean McCoy, right, is tackled by Seattle Seahawks' Leroy Hill, left, as Seahawks' Alan Branch loses his helmet behind them in the second half of an NFL football game Thursday, Dec. 1, 2011, in Seattle. The Seahawks won 31-14. (AP Photo/Ted S. Warren)

Dec 1, 2011, Seattle, WA, USA; Seattle Seahawks running back Marshawn Lynch (24) tumbles to the ground as Philadelphia Eagles defensive tackle Mike Patterson (98) and middle linebacker Jamar Chaney (51) defend during the first half at CenturyLink Field. Mandatory Credit: Joe Nicholson-US PRESSWIRE

Philadelphia Eagles' Ronnie Brown is upended after a run against the Seattle Seahawks in the second half of an NFL football game Thursday, Dec. 1, 2011, in Seattle. The Seahawks won 31-14. (AP Photo/Elaine Thompson)

Seattle Seahawks cornerback Brandon Browner intercepts a pass intended for Philadelphia Eagles wide receiver Riley Cooper in the second half of an NFL football game, Thursday, Dec. 1, 2011, in Seattle. (AP Photo/Ted S. Warren)