Rubuta ci gaba don wannan sakin layi - A wasan farko na gasar Olympics, Pedraza ya ci Onur Şipal na Turkiyya da maki, tare da maki 10<unk>3. A duk lokacin taron, dabarun sa ya mai da hankali kan kiyaye tsayayyen tsaro yayin haɗa haɗuwa da jikin abokin hamayyarsa. Pedraza ya rasa wasansa na biyu da Daouda Sow na Faransa ta maki, 13: 9. Ya shiga gasar cin kofin duniya ta 2008
, ya ci gaba zuwa wasan kusa da na karshe tare da nasara 8: 2 a kan Georgian Popescu na Romania. Ya lashe lambar tagulla, ya rasa (14:4) gasarsa ta gaba ga Albert Selimov na Rasha. A watan Fabrairun 2008, Pedraza ya kare gasar zakarun kasa mai sauki a cikin Torneo Nacional Isaac Barrientos, inda ya kayar da Reynaldo Cintron a wasan farko, Erick Vidal a wasan kusa da na karshe (WO), Edgardo Rivera a wasan kusa da na karshe da Ken Alvarez a wasan karshe (10: 3). A watan Mayu na 2009, ya shiga cikin XII Torneo José "Cheo" Aponte kuma ya yi gasa a cikin iyakar nauyin welter, ya lashe gasarsa ta farko a kan Pedro Vicente ta hanyar dakatar da shi a zagaye uku. Pedraza ya lashe lambar azurfa, ya rasa Bernard Lebron a wasan karshe ta hanyar bugun bugun jini bayan daidaitawa 16:16.