Houston Texans cheerleaders perform before an NFL football game Sunday, Jan. 2, 2011, in Houston. (AP Photo/Dave Einsel)

Atlanta Falcons cheerleaders perform during the second half of an NFL football game at the Georgia Dome in Atlanta Sunday, Jan. 2, 2011. (AP Photo/John Bazemore)

A Baltimore Ravens cheerleader performs during the first half of an NFL football game against the Cincinnati Bengals in Baltimore, Sunday, Jan. 2, 2011. (AP Photo/Nick Wass)

A Baltimore Ravens cheerleader run down the sideline during the first half of an NFL football game against the Cincinnati Bengals in Baltimore, Sunday, Jan. 2, 2011. (AP Photo/Nick Wass)

New England Patriots cheerleaders during the first quarter of their NFL football game against the Miami Dolphins in Foxborough, Mass., Sunday afternoon, Jan. 2, 2011. (AP Photo/Stephan Savoia)

A Baltimore Ravens cheerleader performs during the first half of an NFL football game against the Cincinnati Bengals in Baltimore, Sunday, Jan. 2, 2011. (AP Photo/Nick Wass)

Washington Redskins cheerleaders perform during the first half of an NFL football game against the New York Giants on Sunday, Jan. 2, 2011, in Landover, Md. (AP Photo/Evan Vucci)

Cheerleaders perform during the second quarter of an NFL football game in San Francisco, Sunday, Jan. 2, 2011. (AP Photo/Paul Sakuma)