A Tampa Bay Buccaneers Cheerleader during the fourth quarter of an NFL football game against the Philadelphia Eagles Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Chris O'Meara)

the Washington Redskins cheerleaders perform during the first half of an NFL football game against the Baltimore Ravens in Landover, Md., Sunday, Dec. 9, 2012. (AP Photo/Nick Wass)

The Washington Redskins cheerleaders perform during the first half of an NFL football game against the New York Giants in Landover, Md. Monday, Dec. 3, 2012. (AP Photo/Evan Vucci)

New York Giants wide receiver Domenik Hixon pulls down a five-yard touchdown pass in front of New Orleans Saints cornerback Jabari Greer (33) during the first half of an NFL football game Sunday, Dec. 9, 2012, in East Rutherford, N.J. (AP Photo/Kathy Willens)

Dallas Cowboys quarterback Tony Romo (9) grimaces as he is sacked by Cincinnati Bengals defensive end Carlos Dunlap in the first half of an NFL football game, Sunday, Dec. 9, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

A Tampa Bay Buccaneers cheerleader during the fourth quarter of an NFL football game against the Philadelphia Eagles Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Chris O'Meara)

Tennessee Titans' Chris Johnson (28) is tackled by Indianapolis Colts' Vontae Davis (23) during the second half of an NFL football game, Sunday, Dec. 9, 2012, in Indianapolis. (AP Photo/Jeff Roberson)

Cleveland Browns running back Trent Richardson (33) leaps over the line during the third quarter of an NFL football game against the Kansas City Chiefs, Sunday, Dec. 9, 2012, in Cleveland. (AP Photo/Rick Osentoski)

Andreas Wellinger of Germany makes his competition jump during the Men's Normal Hill Individual event at the FIS Ski jumping Cup in Sochi, Russia, Sunday, Dec. 9, 2012. (AP Photo/Dmitry Lovetsky)

A Tampa Bay Buccaneers Cheerleader during the fourth quarter of an NFL football game against the Philadelphia Eagles Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Chris O'Meara)

Juan Manuel Marquez, from Mexico, left, and Manny Pacquiao, from the Philippines, trade blows during their WBO world welterweight fight Sunday, Dec. 9, 2012, in Las Vegas. (AP Photo/Eric Jamison)

Juan Manuel Marquez, from Mexico, right, celebrates after knocking out Manny Pacquiao, from the Philippines, lower left, in the sixth round of their WBO world welterweight fight Saturday, Dec. 8, 2012, in Las Vegas. Referee Kenny Bayless tends to Pacquiao. (AP Photo/Eric Jamison)

A Tampa Bay Buccaneers cheerleader smiles during the first quarter of an NFL football game against the Philadelphia Eagles Sunday, Dec. 9, 2012, in Tampa, Fla. (AP Photo/Reinhold Matay)

Benson Henderson, left, kicks Nate Diaz during the fifth round of a lightweight championship mixed martial arts bout at a UFC on FOX event in Seattle, Saturday, Dec. 8, 2012. Henderson won by unanimous decision to retain his championship. (AP Photo/Jeff Chiu)

A San Francisco 49ers cheerleader performs during the first quarter of an NFL football game Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

Texas A&M quarterback Johnny Manziel gestures as he talks to reporters after becoming the first freshman to win the Heisman Trophy, college football's top individual prize, Saturday, Dec. 8, 2012, in New York. (AP Photo/Henny Ray Abrams)

Texas A&M quarterback Johnny Manziel poses with the Heisman Trophy after becoming the first freshman to win the college football award, Saturday, Dec. 8, 2012, in New York. (AP Photo/Henny Ray Abrams)

Los Angeles Clippers' DeAndre Jordan, center, reacts to a basket by a teammate in the second half of an NBA basketball game against the Phoenix Suns in Los Angeles, Saturday, Dec. 8, 2012. The Clippers won 117-99. (AP Photo/Jae C. Hong)

Anthony Calloway of Brookville High School is cut down by Darryl Dyson of James Monroe High School during the Division III state championship high school football game Saturday, Dec. 8, 2012, at Williams Stadium in Lynchburg, Va. (AP Photo/News & Daily Advance, Jill Nance)

Tampa Bay Buccaneers cheerleaders perform during the first half of an NFL football game between between Tampa Bay Buccaneers and the Philadelphia Eagles, Sunday, Dec. 9, 2012, in Tampa, Fla. The Eagles won 23-21. (AP Photo/Reinhold Matay)

Minnesota Vikings running back Adrian Peterson runs for a touchdown during the first half of an NFL football game against the Chicago Bears Sunday, Dec. 9, 2012, in Minneapolis. (AP Photo/Andy King)

San Francisco 49ers cheerleaders perform during the first quarter of an NFL football game Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

Army Cadets salute as they march on the field before an NCAA college football game against Navy, Saturday, Dec. 8, 2012, in Philadelphia. (AP Photo/Matt Slocum)

J.R. Vezain of Cowley, Wyo. rides Mile Away in the second go-round of the bareback riding competition on the second day of the National Finals Rodeo, Friday, Dec. 7, 2012, in Las Vegas. (AP Photo/Julie Jacobson)

A member of the Jacksonville Jaguars cheerleaders perform during the second half of an NFL football game against the New York Jets, Sunday, Dec. 9, 2012, in Jacksonville, Fla. The Jets beat the Jaguars 17-10. (AP Photo/Stephen Morton)

Sweat drips off the face of San Antonio Spurs' DeJuan Blair as he bends over to catch his breath during a timeout in the fourth quarter of an NBA basketball game against the Houston Rockets, Friday, Dec. 7, 2012, in San Antonio. (AP Photo/Eric Gay)

Slovenia's Tina Maze speeds down the course to set the fastest time in the super-G portion of an alpine ski, women's World Cup supercombined, in St. Moritz, Switzerland, Friday, Dec.7, 2012. Maze went on to win the event. (AP Photo/Giovanni Auletta)

TAMPA, FL - DECEMBER 09: A cheerleader of the Tampa Bay Buccaneers performs during the game against the Philadelphia Eagles at Raymond James Stadium on December 9, 2012 in Tampa, Florida. (Photo by J. Meric/Getty Images)

Lindsey Vonn of the US speeds down the course during the Super G of the Super Combined of the women's Alpine Skiing World Cup event in St. Moritz, Switzerland, Friday, Dec. 7, 2012. (AP Photo/Keystone, Alessandro Della Bella)

A member of the Jacksonville Jaguars cheerleaders perform during the second half of an NFL football game against the New York Jets, Sunday, Dec. 9, 2012, in Jacksonville, Fla. The Jets beat the Jaguars 17-10. (AP Photo/Stephen Morton)

Minnesota Vikings cheerleads run onto the field before an NFL football game between the Minnesota Vikings and the Chicago Bears Sunday, Dec. 9, 2012, in Minneapolis. (AP Photo/Andy King)

MINNEAPOLIS, MN - DECEMBER 9: Adrian Peterson #28 of the Minnesota Vikings carries the ball against Nick Roach #53 and Dom DeCicco #58 of the Chicago Bears during the fourth quarter of the game on December 9, 2012 at Mall of America Field at the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota. The Vikings defeated the Bears 21-14. (Photo by Hannah Foslien/Getty Images)

Jacksonville Jaguars cheerleaders perform during the second half of an NFL football game against the New York Jets, Sunday, Dec. 9, 2012, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)

A San Francisco 49ers cheerleader performs during the first quarter of an NFL football game against the Miami Dolphins in San Francisco, Sunday, Dec. 9, 2012. (AP Photo/Ben Margot)

MINNEAPOLIS, MN - DECEMBER 9: Adrian Peterson #28 of the Minnesota Vikings celebrates his second touchdown in the first quarter of the game against the Chicago Bears on December 9, 2012 at Mall of America Field at the Hubert H. Humphrey Metrodome in Minneapolis, Minnesota. The Vikings defeated the Bears 21-14. (Photo by Hannah Foslien/Getty Images)

Minnesota Vikings running back Adrian Peterson (28) enters the field before the start of an NFL football game against the Chicago Bears Sunday, Dec. 9, 2012, in Minneapolis. (AP Photo/Genevieve Ross)

INDIANAPOLIS, IN - DECEMBER 09: Indianapolis Colts cheerleaders perform during the NFL game against the Tennessee Titans at Lucas Oil Stadium on December 9, 2012 in Indianapolis, Indiana. (Photo by Andy Lyons/Getty Images)

Tampa Bay Buccaneers cheerleaders perform during the second half of an NFL Football game against the Philadelphia Eagles, Sunday, Dec. 9, 2012, in Tampa, Fla. The Eagles won 23-21. (AP Photo/Reinhold Matay)