How many boxing champions did Philippines produced?

There are 37 boxing champions from Philippines since Pancho Villa won the World Flyweight crown in 1923. He is also the first Asian. Great Filipino boxers revered by the world includes Ceferino Garcia, Flash Elorde and Manny Pacquiao. Other notable boxers are: Penalosa brothers, Small Montana, Ben Villaflor, Luisito Espinosa and Nonito Donaire.