Mizuki Hiruta retained her WBO super flyweight title with a clear-cut unanimous decision win over Carla Merino at the Commerce Casino in Los Angeles on May 17, 2025. This marked Hiruta’s fourth successful defense of her belt, and she did it in convincing fashion, with judges scoring the bout 98-92, 98-92, and 99-91 in her favor.
‘Mimi’ Mizuki Hiruta Defeats Carla Merino
From the opening bell, Mizuki Hiruta established control with her sharp southpaw jab, using her movement and distance to keep Merino at bay. Merino, ranked #1 by the WBO and entering with a 16-3 record, tried to pressure the champion but struggled to land anything significant.