 Ten metres behind the leaders, USA's Michael Cherry put a strong move on Dominican Republic's Juander Santos to get into third place.Through the third leg USA's high school phenom Justin Robinson was not intimidated, closing down the gap on Trinidad's Olympic and World Championship relay medalist Deon Lendore and Colombia's Jhon Solis taking the lead before the handoff.USA's Wil London took the baton a step up on 400 champion Anthony Zambrano and Trinidad's Machel Cedenio, who is also a World Championship relay gold medalist.