Two-division world champion Guillermo Rigondeaux and WBO Bantamweight World Champion John Riel Casimero went face-to-face Friday at the official weigh-in, before they headline action live on SHOWTIME this Saturday, August 14 in a Premier Boxing Champions event from Dignity Health Sports Park in Carson, California. (photos by Stephanie Trapp)

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Also featured at the weigh-in were rising unbeaten contender Gary Antonio Russell and former champion Emmanuel Rodriguez, who meet for the WBA Interim Bantamweight Title in the co-main event, plus former champion Rau’shee Warren and Damien Vazquez, who square off to kick off the telecast at 10 p.m. ET/7 p.m. PT