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 Sunday, Dec. 2, 2012, in St. Louis. (AP Photo/Tom Gannam)

A Miami Dolphins cheerleader performs during the second half of an NFL football game against the New England Patriots, Sunday, Dec. 2, 2012, in Miami . (AP Photo/Rhona Wise)

Philadelphia Eagles wide receiver Riley Cooper (14) makes a touchdown reception as Dallas Cowboys cornerback Brandon Carr (39) defends during the second half of an NFL football game, Sunday, Dec. 2, 2012, in Arlington, Texas. (AP Photo/LM Otero)

Former world heavyweight champ, Muhammad Ali, center, is crowned "King of Boxing" during the 50th convention of the World Boxing Council in Cancun, Mexico, Monday, Dec. 3, 2012. The award was given for Ali's lifetime achievements. (AP Photo/Israel Leal)

Wisconsin coach Bo Ryan, right, disputes a call during the first half of a 81-56 win over California in an NCAA college basketball game on Sunday, Dec. 2, 2012, in Madison, Wis. (AP Photo/Andy Manis)

California's Richard Solomon (35) fouls Wisconsin's Zak Showalter during the second half of an NCAA college basketball game, Sunday, Dec. 2, 2012, in Madison, Wis. Solomon was charged with a technical foul. Wisconsin won 81-56. (AP Photo/Andy Manis)

A member of the Dallas Cowboys cheerleaders performs during an NFL football game against the Philadelphia Eagles Sunday, Dec. 2, 2012, in Arlington, Texas. The Cowboys won 38-33. (AP Photo/Tony Gutierrez)

Seattle Seahawks running back Marshawn Lynch (24) is tackled by Chicago Bears free safety Chris Conte in the first half of an NFL football game in Chicago, Sunday, Dec. 2, 2012. (AP Photo/Nam Y. Huh)

An Oakland Raiders cheerleader performs during the first half of an NFL football game between the Oakland Raiders and the Cleveland Browns in Oakland, Calif., Sunday, Dec. 2, 2012. (AP Photo/Marcio Jose Sanchez)

Austin Trout, right, lands a punch on Miguel Cotto of Puerto Rico during the eighth round of their WBA Superwelterweight title fight at Madison Square Garden in New York, Saturday, Dec. 1, 2012. Trout won the 12 round boxing match in a unanimous decision. (AP Photo/Henny Ray Abrams)

Lindsey Vonn, of the United States, reacts in the finish area following her run in the women's World Cup downhill ski race in Lake Louise, Alberta, on Saturday, Dec. 1, 2012. (AP Photo/The Canadian Press, Jeff McIntosh)

Kent State running back Dri Archer (1) crosses the goal line for a touchdown during the first quarter of the Mid-American Conference championship NCAA college football game against Northern Illinois, Friday, Nov. 30, 2012. (AP Photo/Carlos Osorio)

An Oakland Raiders cheerleader performs during the first half of an NFL football game between the Oakland Raiders and the Cleveland Browns in Oakland, Calif., Sunday, Dec. 2, 2012. (AP Photo/Marcio Jose Sanchez)

Tiger Woods loses his handle on his club while teeing of on the sixth hole during the third round of the World Challenge golf tournament at Sherwood Country Club in Thousand Oaks, Calif., Saturday, Dec. 1, 2012. (AP Photo/Bret Hartman)

Kansas City Chiefs general manager Scott Pioli, left, and coach Romeo Crennel stand together before an NFL football game against the Carolina Panthers at Arrowhead Stadium in Kansas City, Mo., Sunday, Dec. 2, 2012. On Saturday, Kansas City Chiefs linebacker Jovan Belcher thanked Pioli and Crennel for giving him a chance in the NFL, before he turned away and fatally shot himself. (AP Photo/Ed Zurga)

A Miami Dolphins cheerleader performs during the second half of an NFL football game against the New England Patriots, Sunday, Dec. 2, 2012, in Miami . (AP Photo/Rhona Wise)

Denver Broncos quarterback Peyton Manning (18) reacts after throwing a touchdown pass to Denver Broncos defensive tackle Mitch Unrein (96) against the Tampa Bay Buccaneers in the first quarter of an NFL football game, Sunday, Dec. 2, 2012, in Denver. (AP Photo/Joe Mahoney)

Cleveland Browns running back Trent Richardson (33) leaps in front of Oakland Raiders linebacker Miles Burris (56) during the third quarter of an NFL football game in Oakland, Calif., Sunday, Dec. 2, 2012. (AP Photo/Marcio Jose Sanchez)

In this photo provided by GoPro, Jesse Hall, left, and Marshall Miller, right, parasail over the Birds of Prey World Cup ski course in Beaver Creek, Colo., Sunday, Dec. 2, 2012. (AP Photo/GoPro, Neil Amonson)

Kansas City Chiefs coach Romeo Crennel wipes his eyes before an NFL football game against the Carolina Panthers at Arrowhead Stadium in Kansas City, Mo., Sunday, Dec. 2, 2012. (AP Photo/Colin E. Braley)

Alabama offensive linesman Barrett Jones (75) reacts with Alabama offensive linesman Arie Kouandjio (77) after the second half of the Southeastern Conference championship NCAA college football game against Georgia, Saturday, Dec. 1, 2012, in Atlanta. Alabama won 32-28. (AP Photo/Dave Martin)

Alabama players celebrates after their 32-28 win in the Southeastern Conference championship NCAA college football game against Georgia, Saturday, Dec. 1, 2012, in Atlanta. (AP Photo/Atlanta Journal-Constitution, Hyosub Shin) MARIETTA DAILY OUT; GWINNETT DAILY POST OUT; LOCAL TV OUT; WXIA-TV OUT; WGCL-TV OUT

Kansas City Chiefs Cheerleaders perform during an NFL football game against the Carolina Panthers Sunday, Dec. 2, 2012 in Kansas City, MO. (AP Photo/Ed Zurga)

Members of the Dallas Cowboys cheerleaders trot off the field after a performance during an NFL football game against the Philadelphia Eagles Sunday, Dec. 2, 2012, in Arlington, Texas. The Cowboys won 38-33. (AP Photo/Tony Gutierrez)

A Denver Broncos cheerleader performs during the second half of an NFL football game between the Denver Broncos and the Tampa Bay Buccaneers on Sunday, Dec. 2, 2012, in Denver. (AP Photo/Joe Mahoney)

ALTERNATIVE CROP OF MXIL101 - Former world heavyweight champ, Muhammad Ali, center, is crowned "King of Boxing" while accompanied by his wife, Lonnie, right, and Argentine boxer Sergio "Maravilla" Martinez during the 50th convention of the World Boxing Council in Cancun, Mexico, Monday, Dec. 3, 2012. The award was given for Ali's lifetime achievements. (AP Photo/Israel Leal)

Baltimore Ravens cheerleaders watch the action of the field during the second half of an NFL football game against the Pittsburgh Steelers in Baltimore, Sunday, Dec. 2, 2012. (AP Photo/Nick Wass)

Kansas City Chiefs coach Romeo Crennel, right, talks with quarterback Brady Quinn (9) following an NFL football game against the Carolina Panthers at Arrowhead Stadium in Kansas City, Mo., Sunday, Dec. 2, 2012. The Chiefs defeated the Panthers 27-21. The win came one day after Chiefs' Jovan Belcher fatally shot his girlfriend and later turned a gun on himself as GM Scott Pioli and Crennel looked on. (AP Photo/Colin E. Braley)

A member of the Dallas Cowboys cheerleaders performs during an NFL football game against the Philadelphia Eagles Sunday, Dec. 2, 2012, in Arlington, Texas. The Cowboys won 38-33. (AP Photo/Tony Gutierrez)

Northern Illinois quarterback Jordan Lynch (6) jumps onto teammate Jason Schepler after scoring a touchdown during the overtime period of the Mid-American Conference championship NCAA college football game against Kent State, Friday, Nov. 30, 2012. Northern Illinois defeated Kent State 44-37 in two overtimes. (AP Photo/Carlos Osorio)

Northern Illinois quarterback Jordan Lynch (6) receives the most valuable player award after the Huskies defeated Kent State 44-37 in the second overtime in the Mid-American Conference championship NCAA college football game on Friday, Nov. 30, 2012, in Detroit. (AP Photo/Carlos Osorio)

A member of the Dallas Cowboys cheerleaders during an NFL football game against the Philadelphia Eagles Sunday, Dec. 2, 2012, in Arlington, Texas. The Cowboys won 38-33. (AP Photo/Tony Gutierrez)

Dallas Cowboys cheerleaders perform before the NFL football game between the Philadelphia Eagles and Dallas Cowboys Sunday, Dec. 2, 2012 in Arlington, Texas. (AP Photo/LM Otero)

A member of the Dallas Cowboys cheerleaders performs during an NFL football game against the Philadelphia Eagles Sunday, Dec. 2, 2012, in Arlington, Texas. (AP Photo/Tony Gutierrez)

A member of the Dallas Cowboys cheerleaders performs during an NFL football game against the Philadelphia Eagles Sunday, Dec. 2, 2012, in Arlington, Texas. (AP Photo/Tony Gutierrez)

Tennessee Titans cheerleaders perform before an NFL football game between the Titans and the Houston Texans on Sunday, Dec. 2, 2012, in Nashville, Tenn. (AP Photo/Joe Howell)

Kansas City Chiefs Cheerleaders perform during an NFL football game against the Carolina Panthers Sunday, Dec. 2, 2012 in Kansas City, MO. (AP Photo/Ed Zurga)

A Denver Broncos cheerleader performs during the second half of an NFL football game between the Denver Broncos and the Tampa Bay Buccaneers on Sunday, Dec. 2, 2012, in Denver. (AP Photo/Joe Mahoney)

San Diego Chargers cheerleaders perform as the team plays the Cincinnati Bengals during the first half of an NFL football game Sunday, Dec. 2, 2012, in San Diego. (AP Photo/Denis Poroy)

Miami Dolphins cheerleader performs during the second half of an NFL football game against the New England Patriots, Sunday, Dec. 2, 2012, in Miami . (AP Photo/Rhona Wise)

A Baltimore Ravens cheerleader shows her support for the team from the sidelines before an NFL football game against the Pittsburgh Steelers in Baltimore, Sunday, Dec. 2, 2012. (AP Photo/Nick Wass)