Portugal's Cristiano Ronaldo takes a water break during the 2014 World Cup soccer match between Portugal and the U.S. in Manaus, Brazil, on June 22. Siphiwe Sibeko/Reuters/Landov hide caption

itoggle caption Siphiwe Sibeko/Reuters/Landov

Ryan Giggs, who is filling in as manager of Manchester United, one of the world's most valuable and most popular soccer clubs. He's vowing to make fans proud of the team again. Alex Livesey/Getty Images hide caption

itoggle caption Alex Livesey/Getty Images

Denver Broncos quarterback Peyton Manning during Sunday's Super Bowl. Some players on the Seattle Seahawks say they studied his hand signals. That helped them shut down the Broncos defense, they say. Kevin C. Cox/Getty Images hide caption

itoggle caption Kevin C. Cox/Getty Images

The current record holder for loudest crowd in history are the fans of the Seattle Seahawks, who cheered so loud that they induced a mini-earthquake. But that level of noise can permanently damage fans' hearing. Scott Eklund/AP hide caption

itoggle caption Scott Eklund/AP

The winning catch: Wide receiver Kelvin Benjamin of the Florida State Seminoles catches the 2-yard pass for a touchdown that put his team ahead for good with just 13 seconds left in the game. Harry How/Getty Images hide caption

itoggle caption Harry How/Getty Images

Look, But Don't Touch, Part I: Some players are superstitious and don't want to touch a trophy until they win it. Florida State defensive back Jonathan Akanbi poses with the NCAA's Coaches' Trophy, which goes to the winner of Monday night's game. Chris Carlson/AP hide caption

itoggle caption Chris Carlson/AP

Indianapolis Colts quarterback Andrew Luck dives over the goal line in the fourth quarter of his team's 45-44 victory over the Kansas City Chiefs. David Eulitt /MCT/Landov hide caption

itoggle caption David Eulitt /MCT/Landov

He's out: Washington Redskins head coach Mike Shanahan on Sunday during the team's loss to the New York Giants. He was fired on Monday. Jeff Zelevansky/Getty Images hide caption

itoggle caption Jeff Zelevansky/Getty Images

Part of the special design to be worn by Northwestern University football players on Nov. 16. Facebook.com/UnderArmourFootball hide caption

itoggle caption Facebook.com/UnderArmourFootball

Former Pittsburgh Steelers defensive lineman L.C. Greenwood waving to fans in 2006. He died Sunday at the age of 67. Stephen M. Gross /UPI /Landov hide caption

itoggle caption Stephen M. Gross /UPI /Landov

The Michigan Wolverines defeated the Notre Dame Fighting Irish Saturday night, 41-30 — and then celebrated by playing some polka. Here, the Irish's Chris Brown is tackled by Michigan's Delonte Hollowell after making a catch. Gregory Shamus/Getty Images hide caption

itoggle caption Gregory Shamus/Getty Images

Tim Tebow (right) shakes hands with New England Patriots quarterback Tom Brady after the Patriots defeated the Broncos on Dec. 18, 2011. Now, they're due to be teammates. Mark Leffingwell /Reuters /Landov hide caption

itoggle caption Mark Leffingwell /Reuters /Landov

Eric Fisher, offensive tackle from Central Michigan, was the No. 1 pick in the 2013 NFL draft. He was chosen by the Kansas City Chiefs. Rich Kane /UPI /Landov hide caption

itoggle caption Rich Kane /UPI /Landov

Oklahoma quarterback Steve Davis, left, and coach Barry Switzer celebrate the team's No. 1 ranking after the Orange Bowl in 1976. Davis, 60, died Sunday in the crash of a small plane. Switzer called Davis a "great role model for young people." /AP hide caption

itoggle caption /AP