Eight-division champion Manny "PacMan" Pacquiao and unbeaten welterweight world champion Keith "One Time" Thurman went face-to-face at the official weigh-in 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)

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Also in attendance at the weigh-in and going face to face were welterweights Omar "El Panterita" Figueroa and Yordenis Ugás, who meet in a 12-round WBC title eliminator, 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.

The FOX PBC Fight Night preceding the pay-per-view 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.