Tom Scudamore riding The Giant Bolster clear the water jump in The Betfair Denman Steeple Chase, at Newbury racecourse on February 17, 2012 in Newbury, England. (Photo by Alan Crowhurst/Getty Images)

Kurt Busch, driver of the #51 Tag Heuer Avant-Garde Chevrolet Chevrolet, spins out causing Tony Stewart, driver of the #14 Office Depot/Mobil 1 Chevrolet, and part of the field to pile up during practice for the NASCAR Budweiser Shootout at Daytona International Speedway on February 17, 2012 in Daytona Beach, Florida. (Photo by Chris Graythen/Getty Images)

Michelle Wie of USA lines a putt on the 1st hole during day three of the LPGA Thailand at Siam Country Club on February 18, 2012 in Chon Buri, Thailand. (Photo by Victor Fraile/Getty Images)

Lotte Smiseth Sejersted of Norway fall during the Audi FIS Alpine Ski World Cup Women's Downhill on February 18, 2012 in Sochi, Russia. (Photo by Vianney Thibaut/Agence Zoom/Getty Images)

Beth Langston of England in action during an England Womens Cricket Squad Training and Portraits session at the National Cricket Performance Centre on February 18, 2012 in Loughborough, England. (Photo by Matthew Lewis/Getty Images)

Barry Geraghty (L) riding Riverside Theatre clears the last to win The Betfair Ascot Steeple Chase from Medermit (R) at Ascot racecourse on February 18, 2012 in Ascot, England. (Photo by Alan Crowhurst/Getty Images)

Jessica Ennis of Great Britain in action during the Aviva Grand Prix at the NIA Arena on February 18, 2012 in Birmingham, England. (Photo by Clive Mason/Getty Images)

Liu Xiang of China in action on his way to winning during the Aviva Grand Prix at the NIA Arena on February 18, 2012 in Birmingham, England. (Photo by Clive Mason/Getty Images)

Joanna Rowsell of Great Britain celebrates victory in the Women's Individual Pursuit during the UCI Track Cycling World Cup – LOCOG Test Event for London 2012 at the Olympic Velodrome on February 18, 2012 in London, England. (Photo by Bryn Lennon/Getty Images)

Steven Ferguson celebrates winning the Open Men's K1 200m final during the 2012 Canoe Sprint Championships at Blue Lake on February 19, 2012 in Rotorua, New Zealand. (Photo by Hannah Johnston/Getty Images)

Vitali Klitschko (3rdL) of Ukraine discusses with Dereck Chisora of the UK after their WBC heavyweight World Championship title fight on February 18, 2012 in Munich, Germany. (Photo by Alexandra Beier/Bongarts/Getty Images)

Sally Fitzgibbons of Australia celebrates winning the Women's Final of the 2012 Australian Surfing Open on February 19, 2012 in Manly, Australia. (Photo by Cameron Spencer/Getty Images)