Please turn on JavaScript. Media requires JavaScript to play. American sprinter Tyson Gay wins the 100m at the Diamond League event in Laussane. Gay runs 9.78 seconds finishing just ahead of former world record holder Asafa Powell of Jamaica and three hundredths of a second off his season's best. Six-time Olympic champion Usain Bolt did not compete but 30-year-old Gay, who missed the London Olympics through...
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