By Rafael Soto

TIJUANA, BC. - The final press conference was held for Saturday night's doubleheader at the Municipal Auditorium in Tijuana. Jackie "Aztec Princess" Nava (26-4-3, 11 KOs) will make the first defense of his super bantamweight championship of the World Boxing Association (WBA) against Colombian Diana "Leona" Ayala (12-6-3, 7 KOs). The event is promoted by Zanfer and broadcast by TV Azteca.

The co-feature will showcase the ring return of former double world champion Rafael Marquez (40-7-0, 36 KOs), who takes part in a ten round featherweight fight against Erik "Mighty Mouse" Aiken (16-8-1, 12 KOs).