The athletes competing on Saturday’s UFC Vegas 57 fight card will officially weigh-in on Friday morning at the UFC Apex in Las Vegas. The event is headlined by a bout between two streaking lightweights Arman Tsarukyan (18-2) and Mateusz Gamrot (20-1, 1 NC). UFC Vegas 57 Weigh-in Video (Subscribe to MMAWeekly.com on YouTube ) UFC Vegas 57 Official Weigh-in Results MAIN CARD (ESPN/ESPN+, 10 p.m. ET) Arman Tsarukyan (156) vs.
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