Buuxi weedha soo socota: Wuxuu ku guuleystay billado dahab ah kooxda Kubada ee 2008 Central American iyo Caribbean Championships ee Cali, Colombia, oo leh waqtiga isreebreebka Olombikada ee 3:02.10. Perez wuxuu u tartamay
4 × 400 m ragga ee Olombikada Xagaaga 2008 ee Beijing, oo ay weheliyaan asxaabtiisa Omar Cisneros, William Collazo, iyo Yunior Díaz. Wuxuu ku orday lugta bilowga ah ee kuleylka koowaad, oo leh waqti shaqsiyeed oo kala go'an 45.95 ilbiriqsi. Si kastaba ha noqotee, Perez iyo kooxdiisa qaran ee isugeynta, waxay dhammeeyeen kaalinta toddobaad ee heerarka hordhaca ah, wadar ahaan 3:02.24, iyagoo ku guuldareystay inay u gudbaan wareegga ugu dambeeya.