Video by Ryan Burton

WBC Welterweight Champion "Showtime" Shawn Porter, WBC Super Middleweight Champion Anthony "The Dog" Dirrell and former three-time world champion Robert "The Ghost" Guerrero hosted a media workout in Las Vegas Wednesday as they near their respective showdowns taking place Saturday, September 28 from STAPLES Center in Los Angeles. (photos by Leo Wilson)

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Porter will headline the FOX Sports PBC Pay-Per-View in a highly anticipated welterweight title unification against Errol Spence Jr., while Dirrell defends his belt against unbeaten David Benavidez in the pay-per-view co-main event as part of action beginning at 9 p.m. ET/6 p.m. PT.

Guerrero will take on Jerry Thomas in a welterweight attraction that highlights FS1 PBC Fight Night Prelims preceding the pay-per-view and beginning at 7:30 p.m. ET/4:30 p.m. PT.

Tickets for the September 28th event, which is promoted by Man Down Promotions, TGB Promotions and Shawn Porter Promotions, are on sale now and can be purchased at AXS.com.