 His second defense of his WBO bantamweight title was also successful when González beat former IBF flyweight champ Irene Pacheco on March 30, 2007.On his third defense however, González was dethroned by 35-year-old Gerry Penalosa, who knocked him out in the 7th round on August 11, 2007.On May 23, 2009, González challenged Toshiaki Nishioka for the WBC Super Bantamweight Title in Monterrey, Mexico.