Tyson Gay of the US wins the 100m men ahead of Jamaican Asafa Powell during the World athletics final in the northern Greek town of Thessaloniki on September 12, 2009. Getty Images logo Getty Images 2 months ago

Tyson Gay of the US wins the 100m men ahead of Jamaican Asafa Powell during the World athletics final in the northern Greek town of Thessaloniki on September 12, 2009.