US athlete Justin Gatlin and Walter Dix walk away after failing to finish the men's 4x100 metres at the International Association of Athletics Federations (IAAF) World Championships in Daegu on ... more 
US athlete Justin Gatlin and Walter Dix walk away after failing to finish the men's 4x100 metres at the International Association of Athletics Federations (IAAF) World Championships in Daegu on September 4, 2011. AFP PHOTO / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images) less 
1 / 28
Getty Images | Photo By OLIVIER MORIN / AFP/Getty Images
Sun, Sep 4, 2011 9:00 AM EDT