 In his next bout in 1986, he suffered a non-title loss to IBF Bantamweight Champion and future International Boxing Hall of Fame member Jeff Fenech in Australia.Zaragoza moved up in weight in his next bout and scored 7 consecutive wins before capturing the vacant WBC Super Bantamweight title with a knockout win over future hall of fame member Carlos Zarate in 1988.He successfully retained the title five times, including a hard fought draw in South Korea against IBF Super Bantamweight champion Lee Seung-hoon, a knockout victory against future champion Valerio Nati in Italy, a decision victory over Paul Banke (16-3-0) in the first fight of their trilogy, a knockout victory against Frankie Duarte (47-7-1), and a decision victory over former champion Chan-Yong Park in South Korea.