To get you ready for his main event fight Saturday on ESPN, look back at one of #emanuelnavarrete best performances, his win over Christopher Diaz. Next up for Top Rank Boxing, A fighting cowboy, a hometown hero, and the grandson of “The Greatest” are set for a summer night to remember in San Diego. Mexican star Emanuel “Vaquero” Navarrete will defend his WBO featherweight world title in the main event against countryman Eduardo “El Gemelo” Baez on Saturday, Aug. 20 at Pechanga Arena San Diego. Navarrete also signed a new multi-year promotional agreement with Top Rank that will see him fight on the ESPN family of networks in events promoted in association with Zanfer Promotions. The 10-round welterweight co-feature will see San Diego native Giovani “Gallo de Oro” Santillan risk his unbeaten record against a soon-to-be-announced opponent. In a four-round special feature, undefeated middleweight prospect Nico Ali Walsh, grandson of Muhammad Ali, will fight Reyes Sanchez in a rematch