US' Aries Merritt competes in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / OLIVIER MORIN
US' Aries Merritt competes in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / OLIVIER MORIN