THESSALONIKI, GREECE - SEPTEMBER 12:  LaShawn Merritt of USA (R) on his way to winning the Mens 400 metres during day one of the IAAF World Athletics Final at the Kaftanzoglio stadium on September 12, 2009 in Thessaloniki, Greece. Getty Images logo Getty Images 2 months ago

THESSALONIKI, GREECE - SEPTEMBER 12: LaShawn Merritt of USA (R) on his way to winning the Mens 400 metres during day one of the IAAF World Athletics Final at the Kaftanzoglio stadium on September 12, 2009 in Thessaloniki, Greece.