Diamond League: Justin Gatlin wins 100m beating Tyson Gay

Watch American Justin Gatlin win the men's 100m at the Diamond League in Lausanne on Thursday, beating Asafa Powell and Tyson Gay.

The 33-year old ran 9.75 seconds, just missing out on the best 100m time of the year of 9.74 seconds, set by himself in May.

The 100m world-record holder Usain Bolt was out injured, although the Olympic champion plans to defend his world title in Beijing.

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