Kammala wannan jumla: Ya lashe lambar zinare tare da tawagar 'yan wasan Cuba a gasar zakarun Amurka ta tsakiya da Caribbean a Cali, Colombia, a shekara ta 2008, tare da lokacin da ya dace da gasar Olympics na 3:02.10. Perez ya yi takara don
maza 4 × 400 m relay a Wasannin Olympics na 2008 a Beijing, tare da abokan wasansa Omar Cisneros, William Collazo, da Yunior Díaz. Ya gudu a farkon farkon zagaye na farko, tare da lokaci na mutum na 45.95 seconds. Perez da tawagarsa ta kasa, duk da haka, sun gama na bakwai a cikin zafin jiki na farko, tare da jimillar lokaci na 3:02.24, ba su ci gaba zuwa zagaye na karshe ba.