sentences:  On July 28, 2012 Guerrero defeated Aydin in San Jose, California by unanimous decision for the interim WBC welterweight title.Guerrero's next fight was against former two-time Welterweight champion Andre Berto (28-1, 22 KO) at the Citizens Bank Business Arena in Ontario, California.Guerrero started off the fight fast, sending Berto to the canvas each of the first two rounds, as well as badly closing Berto's right eye early on.