Eight-division champion Manny "PacMan" Pacquiao and unbeaten welterweight world champion Keith "One Time" Thurman went face-to-face Wednesday at the final press conference before their blockbuster showdown that headlines the Premier Boxing Champions on FOX Sports Pay-Per-View this Saturday night from the MGM Grand Garden Arena in Las Vegas. (photos by Stephanie Trapp, Fox Sports)

Also in attendance at the press conference and going face-to-face Wednesday were welterweights Omar "El Panterita" Figueroa and Yordenis Ugás, who meet in a 12-round WBC title eliminator, former champion Sergey Lipinets and John "The Gladiator" Molina Jr, who go toe-to-toe in a 10-round welterweight match, plus former bantamweight champions Luis "Pantera" Nery and Juan Carlos Payano, who meet in a 12-round bout. The pay-per-view begins at 9 p.m. ET/6 p.m. PT.

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Prior to the press conference, the pay-per-view undercard fighters participated in media workouts along with fighters competing on FOX PBC Fight Night preceding the pay-per-view. That show is headlined by undefeated IBF Super Middleweight World Champion Caleb "Sweethands" Plant and unbeaten Mike Lee, plus unbeaten heavyweights Efe Ajagba and Ali Eren Demirezen.

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Tickets for the event, which is promoted by MP Promotions, Mayweather Promotions and TGB Promotions, are on sale now and can be purchased online through AXS.com, charge by phone at 866-740-7711 or in person at any MGM Resorts International box office. Plant vs. Lee is presented by Sweethands Promotions and TGB Promotions.

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