Tuhia he haere tonu mo tenei pene - I wikitoria ia i nga mētara koura me te kapa relay Cuban i te 2008 Central American me Caribbean Championships i Cali, Colombia, me te waa tohu Olympic o 3:02.10. I whakataetae a Perez mo te 4 × 400 m relay a nga taane
i te 2008 Summer Olympics i Beijing, me ona hoa kapa Omar Cisneros, William Collazo, me Yunior Díaz. I oma ia i te waewae timatanga o te wera tuatahi, me te waa wehewehe takitahi mo te 45.95 hēkona. Heoi, ko Perez me tana roopu relay motu, i mutu i te tuawhitu o nga huringa tuatahi, mo te wa katoa 3:02.24, kaore i eke ki te rauna whakamutunga.