The UFC Vegas 117: Allen vs. Costa weigh-in took place on Friday at the Meta Apex in Las Vegas.
The event is headlined by a featherweight bout between No. 7 ranked Arnold Allen (20-4) and No. 12 ranked Melquizael Costa (26-7). Allen will enter the bout needing a win to hang onto his ranking having lost three of his last four fights. Costa brings with him a six-fight winning streak.
Both men tipped the scales at 145.5 pounds.
Almighty @Arnoldbfa💪
He weighs in at 145.5 lbs
[ #UFCVegas117 | MAY 16 at 8pmET on @ParamountPlus ] pic.twitter.com/hyNEpJL60m
— UFC (@ufc) May 15, 2026
Lookin’ to extend the win streak 😎@MelkCostaCauthy | 145.5 lbs
[ #UFCVegas117 | MAY 16 at 8pmET on @ParamountPlus ] pic.twitter.com/5FFtDIyDqT
— UFC (@ufc) May 15, 2026
UFC Vegas 117 Official Weigh-In Results
- Arnold Allen (145) vs. Melquizael Costa (145.5)
- Dooho Choi (146) vs. Daniel Santos (145)
- Juan Diaz (135.5) vs. Malcolm Wellmaker (135.5)
- Modestas Bukauskas (213.5) vs. Christian Edwards (214.5)
- Timmy Cuamba (136) vs. Bernardo Sopaj (136)
PRELIMINARY CARD (Paramount+, 5 p.m. ET)
- Nikolay Veretennikov (170.5) vs. Khaos Williams (170.5)
- Ivan Erslan (205.5) vs. Tuco Tokkos (205.5)
- Thomas Gantt (156) vs. Trey Ogden (155)
- Jacqueline Cavalcanti (135.5) vs. Ketlen Vieira (136)
- Cody Brundage (185.5) vs. Andre Petroski (185.5)
- Alice Ardelean (116) vs. Polyana Viana (115)
- Daniel Barez (125.5) vs. Luis Gurule (125.5)
- Shauna Bannon (115.5) vs. Nicolle Caliari (115)
