Student umpires perform a signal drill during the Jim Evans Academy of Professional Umpiring on Friday, Jan. 28 at the Houston Astros Spring Training Complex in Kissimmee, Fla.

Suresh Shah pushes his way to the finish line of the Houston Marathon on Sunday, Jan. 30. Approximately 22,000 runners participated in the event.

Toronto Raptors guard Jerryd Bayless (on floor) battles for the ball with Memphis Grizzlies guard Mike Conley during their NBA basketball game in Toronto on Monday, Jan. 24.

Fans of tennis player Andy Murray, react as they watch his Australian Open final loss to Novak Djokivic, in the bar of The Dunblane Hotel in his hometown of Dunblane, Scotland on Sunday, Jan. 30. Murray lost 6-4, 6-2, 6-3.

NFC running back Adrian Peterson (28), of the Minnesota Vikings, is upended by AFC free safety Michael Griffin of the Tennessee Titans during the fourth quarter of the Pro Bowl on Sunday, Jan. 30 in Honolulu. The NFC won the game 55-41.

Jenna McCorkell of Great Britain falls during her performance in the ladies free skating at the ISU European Figure Skating Championships in Bern, Switzerland, on Saturday, Jan. 29.

Los Angeles Lakers player Shannon Brown eyes a rebound against the Sacramento Kings during their game on Friday, Jan. 28.

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A competitor jumps over fire during the Tough Guy race on Sunday Jan. 30 in Telford, England

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Petra Kvitova of the Czech Republic follows the ball during her women's quarterfinal match against Vera Zvonareva of Russia at the Australian Open on Wednesday Jan. 26.

Skicross skiers (from left) Patrick Gasser, Danial Bonacker, Simon Stickl and Michael Forslung compete in the FIS skicross world championships in Grasgehren, Germany on Saturday Jan. 29.

Ying Fan of China serves to Charlotte Carey of Wales during the English Open Table Tennis Championship in Sheffield, England on Wednesday Jan. 26.

USA Gymnastics national team members, from left, Mattie Larson, Bridget Sloan, Alexandra Raisman and Alicia Sacramone wear hotel robes in a light hearted salute to new corporate sponsor Hilton Worldwide during a press event on Wednesday, Jan. 26 in Huntsville, Texas.

Kansas State guard Jacob Pullen, left, battles Baylor guard LaceDarius Dunn, center, and forward Quincy Acy for a loose ball during their NCAA college basketball game on Monday Jan. 24 in Manhattan, Kan. Kansas State won the game 69-61.

Kim Clijsters of Belgium serves in her semifinal match against Vera Zvonareva of Russia during the Australian Open on Thursday Jan. 27 in Melbourne, Australia.

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Bikers ride through the sand as they take part in the "Enduropale" motorcycle endurance race on the beach of Le Touquet, France on Sunday Jan. 30. About 1,000 motorbike and 500 quad bike riders descend on Le Touquet every year for the event.

A man takes a nap on the spectator stands in between horse races at the Marsa Race Course near Valletta in Malta on Sunday, Jan. 30.

Jim Lowe spins off the track in a shower of dirt and sod during the Grand Am Rolex 24 hour auto race at Daytona International Speedway in Daytona Beach, Fla., on Saturday Jan. 29.

Ben Comber of New Zealand goes airborne during the World Cup Snowboard Big Air Event on Wednesday Jan. 26 in Denver. The ramp is a steel truss scaffolding 106 feet high, 300 feet long and 80 feet wide covered in manmade snow.

Mississippi State forward Kodi Augustus shoots from his knees as he is fouled by Vanderbilt center Festus Ezeli during their college basketball game on Thursday, Jan. 27 in Starkville, Miss. Augustus made the basket but Mississippi State lost to No. 19 Vanderbilt 81-74.

Tina Martini, left, and Severin Kiefer of Austria perform during the pairs short program at the European Figure Skating Championships on Wednesday Jan. 26.

Young Cuban boxer Jose Salazar works out at a training session in Havana, Cuba on Monday Jan. 24. Boxers from Argentina, Bahamas, Dominican Republic, Peru and Cuba are attending a month-long training camp in Havana in preparation for the upcoming Pan-American Games in Guadalajara, Mexico.

The Target/TELEMEX BMW Riley driven by Scott Pruett, Memo Rojas, Graham Rahal, and Joey Hand races during the Rolex 24 on Sunday Jan. 30 in Daytona Beach, Fla.

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Kosuke Endo, left, of Toyota Verbritz is tackled by Akihito Yamada, center, and Sam Norton-Knight of Sanyo Wild Knights during the Rugby Top League Play-off semifinals in Tokyo.

Motorcycle stunt champion Chris Pfeffier, left, and model Mai-Lin perform a 'Stoppie-Kiss' trick at the Hamburg Motorcycle Days trade show in Hamburg, Germany on Thursday Jan. 27.