On This Day… May 31st  

1975.- Mexican Rodolfo Martínez knocked out Colombian Nestor Jiménez in 7 rounds, defending his WBC bantamweight title. The match took place in Bogota, Colombia.

1975.- At Cali, Colombia, the local idol Rodrigo Valdez knocked out Argentine Ramón Méndez in 8 rounds, defending his WBC middleweight title.

1997.- At the Garden Hill Village of Bungsampan, Petchaboon, Thailand, Saman Sorjaturong defended his WBC light flyweight title by knocking out South African Mzukisi Marali in 4 rounds.

2008.- Mexican Oscar Larios conquered the WBC interim featherweight title, by knocking out Venezuelan Feider Viloria in 5 rounds. The combat took place in Chetumal, Quintana Roo.

2014.- Mexican Carlos Cuadras conquered the WBC super flyweight title by defeating Thai Srisaket Sor Rungvisai by technical decision, in a fight held in the Sala de Armas in Mexico City.

2019.- Thai Wanheng Menayothin defended his WBC straw title by defeating the Japanese Tatsuya Fukuhara. The match took place in Chachoengsao, Thailand.