Raul Caiz Jr and Luis Pabon will be the referees of the World Boxing Association title bouts to be held this Saturday at Cotai Arena in Macao.

The 126-pound champion, Jamaican Nicholas Walters will fight with the experiencedArmenian Vic Darchiyan. The group of officials in this fight will be led by U.S. Caiz Jr, together with Pabon (PR), Takeshi Shimakawa (JAP) and Francisco Martinez (U.S.).

The second title fight is the undisputed champion, the South African Simpiwe Vetyeka who will fight against Filipino Nonito Donaire. The Puerto Rican Pabon will step into the ring as referee, and the cards will be in the hands of Caiz Jr, Levi Martinez and Francisco Martinez (U.S.).

For both fights WBA supervisor will be Panamanian Aurelio Fiengo.