Japanese boxer Kazuto Ioka, who announced his retirement last December after winning world titles in three separate weight classes, said Friday he is returning to the ring.The 29-year-old will move his base to Los Angeles, where he is scheduled to fight a super flyweight bout on Sept. 8."I think it'll be a completely new challenge at a new place. I want to get good results at any cost," he told a press conference in Tokyo. "I'm looking to win my fourth weight class in the United States."Ioka, who made his pro debut in April 2009, won the WBC minimumweight crown in 2011, and beat WBA champio…READ FULL ARTICLE