LONDON, ENGLAND - AUGUST 04: David Rudisha, Asafa Powell, Sally Pearson, David Oliver, Dayron Robles and Mo Farah poses for photographers befoe the Aviva London Grand Prix press Conference at Crystal... more 
LONDON, ENGLAND - AUGUST 04: David Rudisha, Asafa Powell, Sally Pearson, David Oliver, Dayron Robles and Mo Farah poses for photographers befoe the Aviva London Grand Prix press Conference at Crystal Palace on August 4, 2011 in London, England. (Photo by Ian Walton/Getty Images) less 
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Getty Images | Photo By Ian Walton / Getty Images
Thu, Aug 4, 2011 8:18 AM EDT