Japan's Junto Nakatani defended his WBC bantamweight title with a first-round knockout of top-ranked contender Vincent Astrolabio of the Philippines on Saturday.The fight was the main event at Tokyo's Ryogoku Kokugikan sumo arena, where Japan's Riku Kano lost his bid for the vacant WBO flyweight championship earlier in the evening.With 23 seconds left in an uneventful first round, Nakatani unleashed a fierce left to the abdomen. Astrolabio didn't appear bothered at first but then froze and dropped to the canvas."I thought it would be a long fight, but luckily I could end it with one punch,"…READ FULL ARTICLE