Minnesota Vikings wide receiver Sidney Rice (18) has a pass knocked away by Philadelphia Eagles cornerback Asante Samuel (22) and safety Quintin Mikell (27) in the first half of an NFL football game Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Miles Kennedy)

Philadelphia Eagles' Brent Celek (87) is tackled by Minnesota Vikings' Asher Allen (21) and Jamarca Sanford (33) in the first half of an NFL football game, Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Miles Kennedy)

Philadelphia Eagles' Clay Harbor (82) and Brent Celek (87) celebrate after Harbor's touchdown in the first half of an NFL football game against the Minnesota Vikings, Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Miles Kennedy)

Philadelphia Eagles' Michael Vick, left, is tackled by Minnesota Vikings' Antoine Winfield in the first half of an NFL football game, Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Michael Perez)

Philadelphia Eagles tight end Clay Harbor, right, pulls in a touchdown pass as Minnesota Vikings safety Jamarca Sanford defends in the first half of an NFL football game, Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Miles Kennedy)

Minnesota Vikings injured quarterback Brett Favre takes a whiff of smelling salts on the sidelines during the Vikings' NFL football game against the Philadelphia Eagles, Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Miles Kennedy)

Minnesota Vikings quarterback Joe Webb (14) looks to pass in the first half of an NFL football game against the Philadelphia Eagles, Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Miles Kennedy)

Philadelphia Eagles quarterback Michael Vick (7) scrambles under pressure from Minnesota Vikings defensive tackle Kevin Williams (93) in the first half of an NFL football game Tuesday, Dec. 28, 2010, in Philadelphia. (AP Photo/Michael Perez)

New Orleans Saints defender Jonathan Vilma helps Atlanta Falcons running back Michael Turner in the first half.

Atlanta Falcons' Sean Weatherspoon tries to take down New Orleans Saints running back Reggie Bush in the first half.

New Orleans Saints tight end Jimmy Graham is taken down by Atlanta Falcons defenders Brian Williams and Sean Weatherspoon.

Atlanta Falcons receiver Roddy White (84) is lifted by teammate Harvey Dahl (73) after White scored a first-half touchdown against the New Orleans Saints.

New Orleans Saints running back Pierre Thomas (23) is stopped by Atlanta Falcons defenders Mike Peterson (53) and Thomas DeCoud (28) in the first half.

Roddy White celebrates after scoring a touchdown.

Roddy White is congratulated by Harvey Dahl after scoring a touchdown against the New Orleans Saints at the Georgia Dome.

Michael Turner carries the ball against Jonathan Vilma and Tracy Porter at the Georgia Dome.

Indianapolis Colts wide receiver Blair White scores on a 4-yard touchdown reception past Oakland Raiders cornerback Stanford Routt in the third quarter.

Philip Rivers of the San Diego Chargers runs with the ball during the Chargers' 34-20 loss to the Cincinnati Bengals.

Tight end Brandon Pettigrew (84) of the Detroit Lions celebrates a touchdown against the Miami Dolphins.

Cincinnati Bengals running back Bernard Scott gets past San Diego Chargers cornerback Antoine Cason (20) and safety Eric Weddle for a 10-yard touchdown in the second half.

Indianapolis Colts cornerback Cornelius Brown breaks up a pass intended for Oakland Raiders wide receiver Jacoby Ford in the third quarter.

Miami Dolphins running back Ricky Williams is tackled by Detroit Lions linebacker Bobby Carpenter in the third quarter.

Running back LeGarrette Blount of the Tampa Bay Buccaneers breaks the tackle of defender Kentwan Balmer of the Seattle Seahawks.

Detroit Lions wide receiver Stefan Logan is tackled by three Miami Dolphins on a kick return in the second quarter.

Reggie Wayne of the Indianapolis Colts runs after a catch against the Oakland Raiders.

Jay Cutler of the Chicago Bears gets a hug from teammate Olin Kreutz after running for a touchdown against the New York Jets.

Tampa Bay Buccaneers wide receiver Mike Williams dives past Seattle Seahawks cornerback Marcus Trufant to score a touchdown during the second quarter.

Maurice Morris of the Detroit Lions runs for a third-quarter touchdown against the Miami Dolphins.

Defensive tackle Frank Okam of the Tampa Bay Buccaneers tackles running back Marshawn Lynch of the Seattle Seahawks.

Mark Sanchez of the New York Jets passes against the Chicago Bears.

Cincinnati Bengals running back Bernard Scott is tackled by San Diego Chargers safety Eric Weddle in the first half.

Miami Dolphins quarterback Chad Henne passes while under pressure from Detroit Lions defensive tackle Corey Williams in the second quarter.

Cleveland Browns tight end Benjamin Watson is tripped by Baltimore Ravens cornerback Lardarius Webb.

The San Francisco 49ers' Ted Ginn is congratulated by teammate Phillip Adams after running a punt back 78 yards for a touchdown.

Kansas City Chiefs running back Jamaal Charles celebrates in the stands after scoring a touchdown during the first quarter.

Chicago Bears wide receiver Johnny Knox makes a touchdown reception past New York Jets cornerback Antonio Cromartie.

New York Jets safety Brodney Pool breaks up a pass intended for Chicago Bears wide receiver Johnny Knox.

Baltimore Ravens cornerback Chris Carr (25) breaks up a pass for Cleveland Browns wide receiver Chansi Stuckey.

Tennessee Titans kick returner Marc Mariani is tackled by Kansas City Chiefs special teams players Ricky Price (35) and Verran Tucker.

Tennessee running back Javon Ringer dives for an overthrown pass.

San Francisco 49ers quarterback Troy Smith (1) fumbles the snap as St. Louis Rams defensive end Chris Long, right, looks on during the first quarter.

Washington Redskins' Graham Gano celebrates as he runs off the field after kicking a 48-yard field goal.

Cleveland Browns wide receiver Brian Robiskie, bottom, catches a 29-yard touchdown pass against Baltimore Ravens cornerback Chris Carr (25) in the first quarter.

New England Patriots running back BenJarvus Green-Ellis (42) breaks away from Buffalo Bills defender Donte Whitner (20) during the first half.

Miami Dolphins running back Ronnie Brown (23) is tackled by Detroit Lions linebacker Landon Johnson.

Washington Redskins cornerback Carlos Rogers (22) intercepts a pass intended for Jacksonville Jaguars tight end Zach Miller (86) during the first half.

Buffalo Bills' Steve Johnson can't make the catch under pressure from New England Patriots' Kyle Arrington.

Baltimore Ravens quarterback Joe Flacco (5) throws a pass past leaping Cleveland Browns cornerback Mike Adams.

Chicago Bears cornerback Tim Jennings (26) forces New York Jets wide receiver Santonio Holmes (10) to fumble in the first half.

Kansas City Chiefs running back Jamaal Charles (25) crosses the goal line before being hit by Tennessee Titans linebacker Gerald McRath.

Arizona Cardinals' Jay Feely (4) celebrates a game-winning field goal as Dallas Cowboys' Terence Newman, right, closes his eyes late in the fourth quarter in Glendale, Ariz. The Cardinals defeated the Cowboys 27-26.

Arizona Cardinals place kicker Jay Feely (4) kicks the game-winning field goal during the fourth quarter in Glendale, Ariz. The Cardinals won 27-26.

Dallas Cowboys injured quarterback Tony Romo, left, gives a thumbs up signal as Cowboys medical staff works on an injured Jon Kitna in the second quarter against the Arizona Cardinals in Glendale, Ariz.

Cornerback Dominique Rodgers-Cromartie of the Arizona Cardinals celebrates after scoring a touchdown on an interception return against the Dallas Cowboys during the first quarter on Saturday.

Pittsburgh Steelers tight end Heath Miller (83) is tackled by Carolina Panthers linebacker Jon Beason after making a catch and running for a first down.

Pittsburgh Steelers wide receiver Hines Ward catches a pass in front of a Carolina Panthers defender.

Carolina Panthers running back Jonathan Stewart stiff arms Pittsburgh Steelers linebacker James Farrior.

Pittsburgh Steelers receiver Mike Wallace (17) breaks away from a Carolina Panthers defender after catching a pass from quarterback Ben Roethlisberger.

Pittsburgh Steelers quarterback Ben Roethlisberger throws a pass to wide receiver Emmanuel Sanders (88) as he is pressured by Carolina Panthers linebacker James Anderson.

Pittsburgh Steelers tight end Heath Miller (83) is tackled by Carolina Panthers' Captain Munnerlyn.

Carolina Panthers quarteback Jimmy Clausen passes during the first quarter.

Pittsburgh Steelers running back Rashard Mendenhall (34) carries on a 36-yard ruin in the first quarter.