Photos: Plant, Mike Lee, Efe Ajagba, Demirezen - Hit Las Vegas

Two of boxing biggest stars kicked off fight week in style on Tuesday as eight-division world champion Senator Manny "PacMan" Pacquiao and unbeaten WBA Welterweight World Champion Keith "One Time" Thurman made their grand arrivals at MGM Grand before their highly-anticipated Premier Boxing Champions on FOX Sports Pay-Per-View showdown this Saturday night from the MGM Grand Garden Arena in Las Vegas. (photos by Stephanie Trapp).

Also making their grand arrivals Tuesday were undefeated IBF Super Middleweight World Champion Caleb "Sweethands" Plant and undefeated contender Mike Lee, who battle in the FOX PBC Fight Night main event Saturday night preceding the pay-per-view.

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Tuesday event also featured fighters competing on the PBC on FOX Sports Pay-Per-View undercard that begins at 9 p.m. ET/6 p.m. PT. Unbeaten former champion Omar "El Panterita" Figueroa Jr will face top contender Yordenis Ugas in WBC Welterweight Title Eliminator, hard-hitting former champion Sergey Lipinets clashes against John "The Gladiator" Molina Jr. in a welterweight duel and former bantamweight champion Luis Nery, who takes on former champion Juan Carlos Payano.

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Plus, rising heavyweight sensation Efe Ajagba and unbeaten Ali Eren Demirezen made their arrivals ahead of their FOX PBC Fight Night co-main event that kicks off the broadcast on FOX and FOX Deportes at 7 p.m. ET/4 p.m. PT.

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