Photos: Charlo vs. Castano, Ennis vs. Clayton - Final Press Conference

Unified WBC, WBA, and IBF 154-pound world champion Jermell Charlo and WBO 154-pound world champion Brian Castaño received enthusiastic and fervent support from their respective fanbases at a heated and boisterous final press conference on Thursday before they meet in a highly-anticipated rematch for undisputed status at 154 pounds this Saturday, May 14 live on SHOWTIME from Dignity Health Sports Park in Carson, Calif., headlining a Premier Boxing Champions event. (photos by Stephanie Trapp)

Plus Puerto Rico’s Emanuel Rivera, who squares off against Mexican contender Kevin González in the super bantamweight telecast opener of SHOWTIME CHAMPIONSHIP BOXING beginning at 9 p.m. ET/6 p.m. PT