Watch the official weigh-in for the next Top Rank on ESPN event featuring #emanuelnavarrete and #oscarvaldez other fighters on the card. Next up for Top Rank Boxing, The showdown of the summer heads to the desert in a battle that has all the makings of an instant action classic. Three-division world champion Emanuel “Vaquero” Navarrete will defend his WBO junior lightweight world title against former two-division world champion Oscar Valdez in an all-Mexican duel Saturday, August 12 at Desert Diamond Arena in Glendale, Arizona. Navarrete and Valdez seek to etch their names among the celebrated catalog of Mexican rivalries that includes Marco Antonio Barrera-Erik Morales, Ruben Olivares-Chucho Castillo and Rafael Marquez-Israel Vazquez. #navarretevaldez will be broadcast live on ESPN, ESPN Deportes and ESPN+ at 10 p.m. ET/7 p.m. PT. Try ESPN+ For Free: https://watch.espnplus.com/toprank/ Subscribe to our YouTube channel to get notified about the latest highlights, free full fig