Bobby Chacon, a San Fernando Valley boxer who won world titles in two weight classes, died Wednesday at age 64. Chacon, who had long suffered from the effects of brain damage, fell and struck his head in a Hemet care facility early Wednesday morning and succumbed to his injuries, said Ricky Farris, president of the West Coast Boxing Hall of Fame. “One of the most exciting fighters in the history of the West Coast, an amazing blood-and-guts brawler who took on the best fighters in three divisions,” Farris said of Chacon, who will be inducted into the West Coast Boxing...