UFC Vegas117: Allen vs Costa Main Event; Weigh-Ins Complete
Key Questions
What is the main event for UFC Vegas 117?
Arnold Allen faces Melquizael Costa in the featherweight main event on Paramount+.
Have all fighters made weight for UFC Vegas 117?
Yes, all fighters including Allen and Costa successfully hit weight at the official weigh-ins.
Who is featured in the co-main event?
Dooho Choi takes on Daniel Santos in the co-main event.
Allen-Costa FW ME tomorrow on Paramount+ (Allen -190 must-win); all fighters hit weight; Choi-Santos co-ME, predictions/bets building.
Sources (2)
Updated May 16, 2026