Serbia' Novak Djokovic returns a shot to Spain's David Ferrer during a semifinal match at the 2012 US Open tennis tournament, Saturday, Sept. 8, 2012, in New York. (AP Photo/Charles Krupa)
Tiger Woods drops his club as he watches his tee shot on the tenth hole during the third round of the BMW Championship at Crooked Stick Golf Club in Carmel, Indiana. Warren Little / Getty Images
Paraguay's Victor Caceres, left, fights for the ball with Argentina's Lionel Messi during their World Cup 2014 qualifying soccer match in Cordoba, Spain. Enrique Marcarian / Reuters
From left, Khrystyna Yurchenko of Ukraine, Sophie Pascoe of New Zealand, Mariya Timofeyeva of Ukraine, Meng Zhang of China and Sarai Gascon of Spain, compete in the Women's 100m Breaststroke final during the London 2012 Paralympic Games. Clive Rose / Getty Images
Riders compete during the 35th Le Mans 24-hour motorcycle endurance race in Le Mans. Stephane Mahe / Reuters
Fenway Park's grounds crew pull out the tarp as heavy rain delays the fourth inning during a game between the Red Sox and the Toronto Blue Jays. Michael Dwyer / AP Photo
Chuck Aoki of the United States is crestfallen after his team loses the Mixed Wheelchair Rugby Open semi-final match against Canada during the Paralympic Games. Justin Setterfield / Getty Images
Lin Ma of China serves against Patryk Chojnowski of Poland during the final of the Men's Team Table Tennis during the 2012 Paralympic Games. Matthew Lloyd / Getty Images
Tomasz Adamek, right, of Poland, lands a punch on Travis Walker during the fifth round of their heavyweight boxing match at the Prudential Center in Newark, New Jersey. Tim Larsen / AP Photo
Andy Murray of Great Britain defeats Tomas Berdych of the Czech Republic in their 2012 US Open men's singles semi-final. Murray who won gold at the London Olympics, advanced to the US Open final by defeating Berdych 5-7, 6-2, 6-1, 7-6 (9/7). Timothy A. Clary / AFP