An Oakland Raiders cheerleader dances during the NFL game between the San Diego Chargers and the Oakland Raiders at the O.co Coliseum in Oakland, California on September 10, 2012. (Ric Tapia/NFL)

Oakland Raiders cheerleaders dance during the NFL game between the San Diego Chargers and the Oakland Raiders at the O.co Coliseum in Oakland, California on September 10, 2012. (Ric Tapia/NFL)

Oakland Raiders cheerleaders dance during the NFL game between the San Diego Chargers and the Oakland Raiders at the O.co Coliseum in Oakland, California on September 10, 2012. (Ric Tapia/NFL)

Oakland Raiders cheerleaders dance during the NFL game between the San Diego Chargers and the Oakland Raiders at the O.co Coliseum in Oakland, California on September 10, 2012. (Ric Tapia/NFL)

September 9 2012; Denver, CO, USA; Denver Broncos cheerleader performs during the first quarter of the game against the Pittsburgh Steelers at Sports Authority Field. Mandatory Credit: Ron Chenoy-US PRESSWIRE

Kansas City Chiefs cheerleaders perform during the second half of an NFL football game against the Atlanta Falcons Sunday, Sept. 9, 2012, in Kansas City, Mo. The Falcons won the game 40-24. (AP Photo/Charlie Riedel)

New York Jets cheerleaders perform during an NFL football game against the Buffalo Bills Sunday, Sept. 9, 2012, in East Rutherford, N.J. The Jets defeated the Bills 48-28. (AP Photo/Bill Kostroun)

Kansas City Chiefs cheerleaders perform during the second half of an NFL football game against the Atlanta Falcons Sunday, Sept. 9, 2012, in Kansas City, Mo. The Falcons won the game 40-24. (AP Photo/Charlie Riedel)

New Orleans Saints cheerleaders perform during an NFL football game against the Washington Redskins at the Mercedes-Benz Superdome in New Orleans, Sunday, Sept. 9, 2012. (AP Photo/Bill Haber)

New Orleans Saints cheerleaders perform during an NFL football game against the Washington Redskins at the Mercedes-Benz Superdome in New Orleans, Sunday, Sept. 9, 2012. (AP Photo/Matthew Hinton)

New York Jets cheerleaders perform during an NFL football game against the Buffalo Bills Sunday, Sept. 9, 2012, in East Rutherford, N.J. The Jets defeated the Bills 48-28. (AP Photo/Bill Kostroun)

Minnesota Vikings cheerleaders perform during the first half of an NFL football game between the Minnesota Vikings and the Jacksonville Jaguars Sunday, Sept. 9, 2012, in Minneapolis. (AP Photo/Charlie Neibergall)

New Orleans Saints cheerleaders perform during an NFL football game against the Washington Redskins at the Mercedes-Benz Superdome in New Orleans, Sunday, Sept. 9, 2012. (AP Photo/Bill Haber)

New York Jets cheerleader during the second half of an NFL football game at MetLife Stadium Sunday, Sept. 9, 2012, in East Rutherford, N.J. (AP Photo/Mel Evans)

Kansas City Chiefs cheerleaders perform during the second half of an NFL football game against the Atlanta Falcons Sunday, Sept. 9, 2012, in Kansas City, Mo. The Falcons won the game 40-24. (AP Photo/Charlie Riedel)

Minnesota Twins cheerleaders come onto the field before the first half of an NFL football game against the Jacksonville Jaguars Sunday, Sept. 9, 2012, in Minneapolis. (AP Photo/Genevieve Ross)

Sep 9, 2012; Houston, TX, USA; Houston Texans cheerleaders perform during the game against the Miami Dolphins att Reliant Stadium. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

Sep 9, 2012; Kansas City, MO, USA; A Kansas City Chiefs cheerleader performs against the Atlanta Falcons in the second half at Arrowhead Stadium. Atlanta won the game 40-24. Mandatory Credit: John Rieger-US PRESSWIRE

Sep 9, 2012; Houston, TX, USA; Country music recording artist Billy Ray Cyrus poses with Houston Texans cheerleaders during the game against the Miami Dolphins at Reliant Stadium. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

Tennessee Titans cheerleaders perform in the fourth quarter of an NFL football game between the Titans and the New England Patriots on Sunday, Sept. 9, 2012, in Nashville, Tenn. (AP Photo/Joe Howell)

Tennessee Titans cheerleaders perform in the second quarter of an NFL football game between the New England Patriots and the Tennessee Titans on Sunday, Sept. 9, 2012, in Nashville, Tenn. (AP Photo/Joe Howell)

Sep 9, 2012; Minneapolis, MN, USA; A Minnesota Vikings cheerleader performs during the game with the Jacksonville Jaguars at the Metrodome. Vikings win 26-23. Mandatory Credit: Bruce Kluckhohn-US PRESSWIRE

Sep 9, 2012; Houston, TX, USA; Houston Texans cheerleaders perform during the game against the Miami Dolphins at Reliant Stadium. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

A Denver Broncos cheerleader performs a dance routine during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

A Denver Broncos cheerleader performs a dance routine during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)

A Denver Broncos cheerleader performs a dance routine during the NFL regular season game between the Pittsburg Steelers and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado. (Ric Tapia/NFL)