Denver Broncos cheerleaders cheer on the sidelines against the Baltimore Ravens in the first quarter of an AFC divisional playoff NFL football game, Saturday, Jan. 12, 2013, in Denver. (AP Photo/Joe Mahoney)

A Denver Broncos cheerleader dances on the sidelines during the third quarter of an AFC divisional playoff NFL football game against the Baltimore Ravens, Saturday, Jan. 12, 2013, in Denver. (AP Photo/Joe Mahoney)

A Denver Broncos cheerleader is seen during a timeout against the Baltimore Ravens in the third quarter of an AFC divisional playoff NFL football game, Saturday, Jan. 12, 2013, in Denver. (AP Photo/Charlie Riedel)

Denver Broncos cheerleaders cheer on the sidelines against the Baltimore Ravens during the third quarter of an AFC divisional playoff NFL football game, Saturday, Jan. 12, 2013, in Denver. (AP Photo/Charlie Riedel)

San Francisco 49ers cheerleaders smile before an NFC divisional playoff NFL football game between the San Francisco 49ers and the Green Bay Packers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

Denver Broncos cheerleader poses during the AFC Divisional playoff game between the Baltimore Ravens and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado on January 12, 2013. (Ric Tapia/NFL)

Denver Broncos cheerleader in action during the AFC Divisional playoff game between the Baltimore Ravens and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado on January 12, 2013. (Ric Tapia/NFL)

Denver Broncos cheerleader in action during the AFC Divisional playoff game between the Baltimore Ravens and the Denver Broncos at Sports Authority Field at Mile High in Denver, Colorado on January 12, 2013. (Ric Tapia/NFL)

A San Francisco 49ers cheerleaders performs before an NFC divisional playoff NFL football game against the Green Bay Packers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Ben Margot)

A San Francisco 49ers cheerleader performs before an NFC divisional playoff NFL football game against the Green Bay Packers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cheerleaders perform before an NFC divisional playoff NFL football game against the Green Bay Packers in San Francisco, Saturday, Jan. 12, 2013. (AP Photo/Tony Avelar)

San Francisco 49ers cheerleaders pose for a photo after the NFC divisional round playoff game against the Green Bay Packers at Candlestick Park. The 49ers defeated the Packers 45-31. (Kirby Lee/USA TODAY Sports)

San Francisco 49ers cheerleader performs against the Green Bay Packers during the second quarter of the NFC divisional round playoff game at Candlestick Park. (Cary Edmondson/USA TODAY Sports)

San Francisco 49ers cheerleader performs against the Green Bay Packers during the second quarter of the NFC divisional round playoff game at Candlestick Park. (Cary Edmondson/USA TODAY Sports)

Atlanta Falcons cheerleaders perform prior to facing the Seattle Seahawks in the NFC divisional playoff game at the Georgia Dome. (Daniel Shirey/USA TODAY Sports)

Atlanta Falcons cheerleaders perform during the first half of an NFC divisional playoff NFL football game against the Seattle Seahawks Sunday, Jan. 13, 2013, in Atlanta. (AP Photo/David Goldman)

New England Patriots cheerleaders perform during the first half of an AFC divisional playoff NFL football game between the Patriots and the Houston Texans in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Stephan Savoia)

New England Patriots cheerleaders perform during the first half of the AFC divisional round playoff game against the Houston Texans at Gillette Stadium. (David Butler II/USA TODAY Sports)

A New England Patriots cheerleader performs during the first half of an AFC divisional playoff NFL football game between the Patriots and the Houston Texans in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Stephan Savoia)

New England Patriots cheerleaders perform during the first half of an AFC divisional playoff NFL football game between the New England Patriots and the Houston Texans in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Charles Krupa)

New England Patriots cheerleaders perform during the first half of an AFC divisional playoff NFL football game between the New England Patriots and the Houston Texans in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Charles Krupa)

New England Patriots cheerleaders perform during the first half of an AFC divisional playoff NFL football game between the New England Patriots and the Houston Texans in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Stephan Savoia)

New England Patriots cheerleaders perform during the first half of an AFC divisional playoff NFL football game between the New England Patriots and the Houston Texans in Foxborough, Mass., Sunday, Jan. 13, 2013. (AP Photo/Charles Krupa)

New England Patriots cheerleaders perform during the first half of the AFC divisional round playoff game against the Houston Texans at Gillette Stadium. (Mark L. Baer/USA TODAY Sports)

New England Patriots cheerleaders perform during the first half of the AFC divisional round playoff game against the Houston Texans at Gillette Stadium. (Mark L. Baer/USA TODAY Sports)

New England Patriots cheerleaders perform during the first half of the AFC divisional round playoff game against the Houston Texans at Gillette Stadium. (Mark L. Baer/USA TODAY Sports)

Houston Texans against the New England Patriots during an NFL divisional playoff football game at Gillette Stadium on Sunday January 13, 2013 in Foxboro, Massachusetts. (Aaron M. Sprecher/NFL)