DAEGU, SOUTH KOREA - AUGUST 29: (L-R) Femi Ogunode of Qatar, Oscar Pistorius of South Africa, Greg Nixon of United States, Jermaine Gonzales of Jamaica, Rondell Bartholomew of Grenada, Jonathan ... more 
DAEGU, SOUTH KOREA - AUGUST 29: (L-R) Femi Ogunode of Qatar, Oscar Pistorius of South Africa, Greg Nixon of United States, Jermaine Gonzales of Jamaica, Rondell Bartholomew of Grenada, Jonathan Borlee of Belgium and Pavel Trenikhin of Russia compete in the men's 400 metres semi finals during day three of the 13th IAAF World Athletics Championships at the Daegu Stadium on August 29, 2011 in Daegu, South Korea. (Photo by Michael Steele/Getty Images) less 
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Getty Images | Photo By Michael Steele / Getty Images
Mon, Aug 29, 2011 7:46 AM EDT