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Nonito Donaire is a Filipino professional boxer who has won multiple world championships in four weight classes. He is the current WBA (Super) bantamweight champion, and has previously held the WBC flyweight, IBF super flyweight, WBA super flyweight, WBO super bantamweight, and WBO featherweight titles. Donaire is known for his speed, power, and accuracy, and is considered one of the best pound-for-pound boxers in the world.