Cincinnati Bengals fans watch during the second half of an NFL football game against the Arizona Cardinals, Saturday, Dec. 24, 2011, in Cincinnati. (AP Photo/David Kohl)

A Green Bay Packers fan watches teams warm up before an NFL football game against the Chicago Bears Sunday, Dec. 25, 2011, in Green Bay, Wis. (AP Photo/Mike Roemer)

Buffalo Bills fan Karen Holley watches warm-ups before an NFL football game against the Denver Broncos in Orchard Park, N.Y., Saturday, Dec. 24, 2011. (AP Photo/David Duprey)

A fan wearing a Santa costume adjusts his cheesehead before an NFL football game between the Green Bay Packers and the Chicago Bears Sunday, Dec. 25, 2011, in Green Bay, Wis. (AP Photo/Jeffrey Phelps)

A pair of New England Patriots fans dressed as Santa Claus cheer their team on during the first half of their NFL football game against the Miami Dolphins in Foxborough, Mass., Saturday afternoon, Dec. 24, 2011. (AP Photo/Stephan Savoia)

Tennessee Titans fan LaDonna Graves wears a Christmas tree hat as she tailgates outside LP Field before an NFL football game between the Jacksonville Jaguars and the Tennessee Titans on Saturday, Dec. 24, 2011, in Nashville, Tenn. (AP Photo/Mark Humphrey)

A couple Pittsburgh Steelers fans dressed as Santas cheer on their team as the Pittsburgh Steelers play against the St. Louis Rams in the NFL football game on Saturday, Dec. 24, 2011 in Pittsburgh. (AP Photo/Gene J. Puskar)

An Oakland Raiders fan watches warm ups before an NFL football game against the Kansas City Chiefs Sunday, Dec. 24, 2011, in Kansas City, Mo. (AP Photo/Ed Zurga)

A fan dressed as Santa Claus cheers in the second half of an NFL football game between the Baltimore Ravens and the Cleveland Browns in Baltimore, Saturday, Dec. 24, 2011. Baltimore won 20-14. (AP Photo/Nick Wass)

New England Patriots cheerleaders dressed in Santa suits perform during the first quarter of an NFL football game against the Miami Dolphins at Gillette Stadium in Foxborough, Mass. Saturday, Dec. 24, 2011. (AP Photo/Stephan Savoia)

Pittsburgh Steelers fans hold up holiday greetings signs as they cheer for their team in the NFL football game between the Pittsburgh Steelers and St. Louis Rams on Saturday, Dec. 24, 2011 in Pittsburgh. (AP Photo/Gene J. Puskar)

Tennessee Titans fan Howard Parker wears a Grinch mask as he watches players warm up before an NFL football game between the Jacksonville Jaguars and the Titans on Saturday, Dec. 24, 2011, in Nashville, Tenn. (AP Photo/Wade Payne)

Dec 24, 2011; Orchard Park, NY, USA; Buffalo Bills cheerleaders pose outside before the game against the Denver Broncos at Ralph Wilson Stadium. Mandatory Credit: Kevin Hoffman-US PRESSWIRE

A man dressed as Santa Claus waves to fans arriving at Gillette Stadium to watch the New England Patriots play the Miami Dolphins at an NFL football game at in Foxborough, Mass. Saturday, Dec. 24, 2011. (AP PhotoElise Amendola)

Pittsburgh Steelers fan William Carney, of Johnstown, Pa., walks through the tailgating outside Heinz Field before an NFL football game between the Pittsburgh Steelers and St. Louis Rams in Pittsburgh, Saturday, Dec. 24, 2011. (AP Photo/Gene J. Puskar)

Jake Denooy of Fort Collins, Colo., places a Denver Broncos flag to top off a Christmas tree while he tailgates before the Oakland Raiders face the Broncos in the first quarter of an NFL football game in Denver on Sunday, Dec. 20, 2009. (AP Photo/David Zalubowski)

Kristy Roth of Wittenberg, Wis., puts an ornament on a tree on top of her truck outside Lambeau Field Sunday, Dec. 25, 2005, in Green Bay, Wis. The Packers play the Chicago Bears in their NFL football game later in the day. (AP Photo/Morry Gash)

CHARLOTTE, NC - DECEMBER 4: Carolina Panthers statue at the stadium entrance with christmas wreath on neck against the Atlanta Falcons at Bank of America Stadium on December 4, 2005 in Charlotte, North Carolina. The Panthers defeated the Falcons 24-6. (AP Photo/David Drapkin)

A view of the Christmas tree in the plaza mall in front of Cowboys Stadium following an NFL football game against the San Diego Chargers, Sunday, Dec. 13, 2009, in Arlington, Texas. (AP Photo/Michael Thomas)

Christmas stockings and decorations on display prior to the San Diego Chargers NFL football game against the Cincinnati Bengals, December 20, 2009 in San Diego. The Chargers won the game 27-24. (AP Photo/Paul Spinelli)

Pittsburgh Steelers Heinz Field displaying a Christmas Tree during the NFL football game against the Green Bay Packers, Sunday December 20, 2009 in Pittsburgh. The Steelers won 37 to 36. (AP Photo / Mike Fabus)

A San Francisco 49ers fan waves a Niners Christmas hat as he yells for his team during the NFL football game against the Detroit Lions, December 27, 2009 in San Francisco, California. The 49ers won the game 20-6. (AP Photo/Paul Spinelli)

Christmas decorations line the walkway as San Diego Chargers fans begin to leave the train station and walk toward Qualcomm Stadium for the Chargers NFL week 14 football game against the Kansas City Chiefs on Sunday, December 12, 2010 in San Diego, California. The Chargers won the game 31-0. (AP Photo/Paul Spinelli)

A San Diego Chargers fan holds a sign wishing for a playoff game as a Christmas present during the NFL week 15 football game against the San Francisco 49ers on Thursday, December 16, 2010 in San Diego, California. The Chargers won the game 34-7. (AP Photo/Paul Spinelli)

Football fans dressed as Santa watch the action between the Tampa Bay Buccaneers and the Seattle Seahawks during an NFL football game on Sunday, Dec. 26, 2010 in Tampa, Fla.(AP Photo/Brian Blanco)

A Christmas wreath decorates the sideline wall during the San Diego Chargers NFL week 15 football game against the San Francisco 49ers on Thursday, December 16, 2010 in San Diego, California. The Chargers won the game 34-7. (AP Photo/Paul Spinelli)

An Oakland Raiders fan who looks like Santa Claus wears a Christmas hat during the NFL week 16 football game against the Indianapolis Colts on Sunday, December 26, 2010 in Oakland, California. The Colts won the game 31-26. (AP Photo/Paul Spinelli)

A young Philadelphia Eagles fan in the stands during the NFL Wild Card Playoff Game between the Green Bay Packers and the Philadelphia Eagles. The Packers won 21-16 at Lincoln Financial Field in Philadelphia, Philadelphia on Sunday January 9th 2011. (AP Photo/Brian Garfinkel)

A Pittsburgh Steelers fan dressed in a Black and Gold Santa Claus outfit twirls a Terrible Towel as the Steelers play against the Cincinnati Bengals in the NFL football game in Pittsburgh, on Sunday, Dec. 4, 2011 . (AP Photo/Gene J. Puskar)

A Pittsburgh Steelers fan dressed as Santa watches an NFL football game against the Cleveland Browns in Pittsburgh, Thursday, Dec. 8, 2011. (AP Photo/Gene J. Puskar)

Santa Claus watches as cannons fire from the Tampa Bay Buccaneers end zone ship before an NFL football game against the Dallas Cowboys Saturday, December 17, 2011 at Raymond James Stadium in Tampa, Florida. The Cowboys won the game, 31-15. (AP Photo/James D Smith)

Seattle Seahawks Sea Gals cheerleaders cheer in their Christmas outfits in the second half of an NFL football game against the St. Louis Rams, Monday, Dec. 12, 2011, in Seattle. (AP Photo/Ted S. Warren)

The Tampa Bay Buccaneers mascot was dressed as Santa Claus, complete with Christmas lights on his cap and sword, during an NFL football game against the Dallas Cowboys Saturday, December 17, 2011 at Raymond James Stadium in Tampa, Florida. The Cowboys won the game, 31-15. (AP Photo/James D Smith)

Oakland Raiders cheerleaders perform before the first quarter of an NFL football game between the Oakland Raiders and the Detroit Lions in Oakland, Calif., Sunday, Dec. 18, 2011. (AP Photo/Paul Sakuma)

Houston Texans cheerleader performs during an NFL football game against the Carolina Panthers, Sunday, Dec. 18, 2011, in Houston. (AP Photo/Dave Einsel)

Houston Texans cheerleaders perform before an NFL football game against the Carolina Panthers Sunday, Dec. 18, 2011, in Houston. (AP Photo/David J. Phillip)

The Arizona Cardinals perform against the Cleveland Browns during the first half of an NFL football game Sunday, Dec. 18, 2011, in Glendale, Ariz. (AP Photo/Ross D. Franklin)

A fan wearing a Santa Claus is seen in the stands at Soldier Field in the second half of an NFL football game between the Chicago Bears and Seattle Seahawks in Chicago, Sunday, Dec. 18, 2011. The Seahawks won 38-14. (AP Photo/Nam Y. Huh)

Buffalo Bills fans in festive attire cheer during the third quarter of an NFL football game against the Miami Dolphins in Orchard Park, N.Y., Sunday, Dec. 18, 2011. (AP Photo/Derek Gee)

An Arizona Cardinals fan is dwarfed by his Cardinals Santa hat as he watches his team during the second quarter in an NFL football game against the Cleveland Browns Sunday, Dec. 18, 2011, in Glendale, Ariz.(AP Photo/Ross D. Franklin)

Oakland Raiders cheerleaders perform during the fourth quarter of an NFL football game against the Detroit Lions in Oakland, Calif., Sunday, Dec. 18, 2011. (AP Photo/Marcio Jose Sanchez)

A Denver Broncos cheerleader performs during an NFL football game against the New England Patriots, Sunday, Dec. 18, 2011, in Denver. (AP Photo/Jack Dempsey)