Robert Guerrero, the two-time featherweight titleholder and junior lightweight titlist, has defeated several notable opponents. But his next fight, an Aug. 27 date with interim junior welterweight titlist Marcos Maidana, looks as though it will be the toughest of his career. "I think it the biggest one so far and I think it's the most dangerous one so far, too," Guerrero told ESPN.com on Monday after finding out the fight was signed, sealed and delivered. Read more: http://sports.espn.go.com/sports/boxing/news/story?id=6685541