Whakaotihia te rerenga e whai ake nei: I whakatūria e ia tētahi rekoata whaiaro o te tekau tau 8057 i tōna taone o Havana i te Poutu-te-rangi 2008, ka pakaru i te ārai 8000-tohu mo te wā tuatahi. Ko te putanga tuatahi o Díaz i runga i te atamira o te ao i muri tata mai i nga Orimipia Raumati 2008, engari kaore ia i whakataetae i tana kaupapa tohunga engari hei waahanga o te roopu relay 4 × 400 mita o Cuba me Yunier Pérez, William Collazo me Omar Cisneros. Kaore te kapa i eke ki tua atu o te waahanga wera o te whakataetae. I riro i a ia tana mētara matua tuatahi i te tau e whai ake nei i Havana i te
2009 Central American and Caribbean Championships in Athletics, ka mutu hei kai-haere i muri i te hoa whenua a Leonel Suárez engari i kaha ki te eke ki runga ake i nga tohu 8000 mo te wa tuarua i roto i tana umanga me te katoa o te 8013.