A Denver Broncos cheerleader performs in an NFL football game against the Philadelphia Eagles, Sunday, Sept. 29, 2013, in Denver. (AP Photo/Jack Dempsey)

Atlanta Falcons cheerleaders perform during the first half of an NFL football game against the New England Patriots, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/John Bazemore)

An Atlanta Falcons cheerleader performs during an NFL football game against the New England Patriots at the Georgia Dome on Sunday, Sept. 29, 2013, in Atlanta, Georgia. (Perry Knotts/NFL)

Atlanta Falcons cheerleaders perform during the first half of an NFL football game against the New England Patriots, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/John Bazemore)

Atlanta Falcons cheerleaders perform during the first half of an NFL football game against the New England Patriots, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/David Goldman)

Atlanta Falcons cheerleaders perform during the first half of an NFL football game against the New England Patriots, Sunday, Sept. 29, 2013, in Atlanta. (AP Photo/David Goldman)

An Oakland Raiders cheerleader performs during the NFL regular season game between the Washington Redskins and the Oakland Raiders on Sunday, Sep. 29, 2013 at the O.co Coliseum in Oakland, Calif. (Ric Tapia/NFL)

Buffalo Bills cheerleaders perform during the second half of an NFL football game against the Baltimore Ravens on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills cheerleaders perform during the second half of an NFL football game against the Baltimore Ravens on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Denver Broncos cheerleaders perform during pre game festivities before an NFL football game against the Philadelphia Eagles, Sunday, Sept. 29, 2013, in Denver. (AP Photo/Jack Dempsey)

Oakland Raiders cheerleaders perform during the first half of an NFL football game against the Washington Redskins in Oakland, Calif., Sunday, Sept. 29, 2013. (AP Photo/Marcio Jose Sanchez)

A San Diego Chargers cheerleader performs during the first half of an NFL football game against the Dallas Cowboys Sunday, Sept. 29, 2013, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers chreeleaders perform during the first half of an NFL football game against the Dallas Cowboys Sunday, Sept. 29, 2013, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers cheerleaders perform during the second half of an NFL football game against the Dallas Cowboys Sunday, Sept. 29, 2013, in San Diego. (AP Photo/Gregory Bull)

San Diego Chargers chreeleaders perform during the first half of an NFL football game against the Dallas Cowboys Sunday, Sept. 29, 2013, in San Diego. (AP Photo/Denis Poroy)

The Houston Texans cheerleaders dance during the fourth quarter of an NFL football game against the Seattle Seahawks Sunday, Sept. 29, 2013, in Houston. (AP Photo/David J. Phillip)

A Kansas City Chiefs cheerleader performs during the second half of an NFL football game against the New York Giants at Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 29, 2013. (AP Photo/Ed Zurga)

Houston Texans cheerleaders perform before an NFL football game against the Seattle Seahawks Sunday, Sept. 29, 2013, in Houston. (AP Photo/David J. Phillip)

Houston Texans cheerleaders perform before an NFL football game against the Seattle Seahawks Sunday, Sept. 29, 2013, in Houston. (AP Photo/David J. Phillip)

Kansas City Chiefs cheerleaders before an NFL football game against the New York Giants at Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 29, 2013. (AP Photo/Orlin Wagner)

A Houston Texans cheerleader performs before an NFL football game against the Seattle Seahawks Sunday, Sept. 29, 2013, in Houston. (AP Photo/David J. Phillip)

The Houston Texans cheerleaders perform during a game against the Seattle Seahawks at Reliant Stadium on September 29, 2013 in Houston, Texas. (Aaron M. Sprecher/NFL)

A Buffalo Bills cheerleader performs before an NFL football game between the Buffalo Bills and the Baltimore Ravens on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills cheerleaders perform before an NFL football game between the Buffalo Bills and the Baltimore Ravens on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Jacksonville Jaguars cheerleaders perform during the first half of an NFL football game against the Indianapolis Colts in Jacksonville, Fla., Sunday, Sept. 29, 2013.(AP Photo/Phelan M. Ebenhack)

A Kansas City Chiefs cheerleader during the first half of an NFL football game against the New York Giants at Arrowhead Stadium in Kansas City, Mo., Sunday, Sept. 29, 2013. (AP Photo/Charlie Riedel)

A Jacksonville Jaguars cheerleader performs during an NFL football game against the Indianapolis Colts at EverBank Field on Sunday, Sept. 29, 2013, in Jacksonville, Florida. The Colts lead 20-3 at halftime. (Perry Knotts/NFL)

A Jacksonville Jaguars cheerleader performs during an NFL football game against the Indianapolis Colts at EverBank Field on Sunday, Sept. 29, 2013, in Jacksonville, Florida. The Colts lead 20-3 at halftime. (Perry Knotts/NFL)

A Jacksonville Jaguars cheerleader performs during an NFL football game against the Indianapolis Colts at EverBank Field on Sunday, Sept. 29, 2013, in Jacksonville, Florida. The Colts lead 20-3 at halftime. (Perry Knotts/NFL)

Minnesota Vikings cheerleaders at the top of the Shard Tower, the tallest building in the UK, on Thursday, September 26, 2013 in London. The Minnesota Vikings and Pittsburgh Steelers will play at Wembley Stadium on Sunday. (Dave Shopland/NFL)

Minnesota Vikings cheerleaders at the top of the Shard Tower, the tallest building in the UK, on Thursday, September 26, 2013 in London. The Minnesota Vikings and Pittsburgh Steelers will play at Wembley Stadium on Sunday. (Dave Shopland/NFL)

Minnesota Vikings cheerleaders pose for a photograph during a photo shoot on Regent Street in London. (Dave Shopland/NFL)

Minnesota Vikings cheerleaders pose for a photograph during a photo shoot on Regent Street in London. (Dave Shopland/NFL)

Minnesota Vikings cheerleaders pose for a photograph during a photo shoot on Regent Street in London. (Dave Shopland/NFL)

The Minnesota Vikings cheerleaders perform for fans during the 2013 NFL International series game between the Pittsburgh Steelers and the Minnesota Vikings at Wembley Stadium in London on September 29, 2013. (Dave Shopland/NFL)

The Minnesota Vikings cheerleaders perform for fans during the 2013 NFL International series game between the Pittsburgh Steelers and the Minnesota Vikings at Wembley Stadium in London on September 29, 2013. (Dave Shopland/NFL)

NFL All Star Cheerleaders pose for a photograph before the 2013 NFL International series game between the Pittsburgh Steelers and the Minnesota Vikings at Wembley Stadium in London on September 29, 2013. (Dave Shopland/NFL)

NFL All Star Cheerleaders dance before the 2013 NFL International series game between the Pittsburgh Steelers and the Minnesota Vikings at Wembley Stadium in London on September 29, 2013. (Dave Shopland/NFL)

A St. Louis Rams cheerleader runs onto the field before the start of an NFL football game between the St. Louis Rams and the San Francisco 49ers Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

A St. Louis Rams cheerleader performs during the second quarter of an NFL football game between the St. Louis Rams and the San Francisco 49ers Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Tom Gannam)

St. Louis Rams cheerleader performs during the NFL week 4 football game against the San Francisco 49ers on Thursday, Sept. 26, 2013, at Edward Jones Dome in St. Louis, Missouri. The 49ers won the game 35-11. (AP Photo/Joe Robbins)

St. Louis Rams cheerleaders perform during the second quarter of an NFL football game between the St. Louis Rams and the San Francisco 49ers Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

A Buffalo Bills cheerleader walks on the field during the second half of an NFL football game against the Baltimore Ravens on Sunday, Sept. 29, 2013, in Orchard Park, N.Y. (AP Photo/Bill Wippert)

A Houston Texans cheerleader performs during an NFL football game against the Seattle Seahawks at Reliant Stadium on September 29, 2013 in Houston, Texas. Seattle won 23-20. (Aaron M. Sprecher/NFL)

The Jacksonville Jaguars cheerleaders perform during the second half of an NFL football game against the Indianapolis Colts in Jacksonville, Fla., Sunday, Sept. 29, 2013.(AP Photo/Phelan M. Ebenhack)