ネスタ・カーター
The United States managed a clean handoff two times between Trayvon Bromell, Justin Gatlin and Tyson Gay, while Jamaica stiff between Nesta Carter and Asafa Powell.Around the final turn, Nickel Ashmeade made up ground on Gay. The final baton change between Mike Rodgers and Tyson Gay was completed outside the changeover zone and the American team was disqualified.