Japan's WBO super flyweight champion Naoya Inoue and WBC light flyweight champion Ken Shiro both easily retained their titles on Saturday.Inoue demolished France's Yoan Boyeaux in a third-round technical knockout to improve to 15-0 in his career with his 13th career knockout. Ken Shiro, whose real name is Kenshiro Teraji, improved to 12-0 in a fourth-round TKO of Panama's Gilberto Pedrozo at Bunka Gym in Yokohama.Boyeaux, who hadn't lost a fight since January 2012, had no answers for a series of punishing left-handed body blows from Inoue, who was defending his title for the seventh time."M…READ FULL ARTICLE