US' Justin Gatlin competes in the men's 100m heats at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / ERIC FEFERBERG
US' Justin Gatlin (C) crosses the finish line after competing in the men's 100m heats at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / GABRIEL BOUYS
US' Ryan Bailey (C) crosses the finish line ahead of Ivory Coast's Ben Youssef Meite (L) and Canada's Justyn Warner after competing in the men's 100m heats at the athletics event of the London 2012 Olympic Games on August 4, 2012 in London. AFP PHOTO / GABRIEL BOUYS