Unified 154-pound champion Julian "J-Rock" Williams went face-to-face with hard-hitting contender Jeison Rosario  at the official weigh-in before Williams makes his homecoming title defense this Saturday, January 18 in the FOX PBC Fight Night main event and on FOX Deportes from Temple University's Liacouras Center in Philadelphia. (photos by Stephanie Trapp)

Friday's press conference also featured unbeaten rising star Chris "Prime Time" Colbert and former champion Jezreel Corrales, who meet for the Interim WBA Super Featherweight title in the co-main event, and top super welterweight prospect Joey Spencer and Erik Spring, who compete in the televised opener at 8 p.m. ET/5 p.m. PT.

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Tickets for the live event, which is promoted by TGB Promotions, are on sale now and can be purchased at http://www.liacourascenter.com/events (direct link HERE) or by calling 800-298-4200.

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