Weigh-in
Official Weigh-In Results | UFC Fight Night: Allen vs Costa
The Official Weights Of The Athletes Competing May 16 At Meta APEX In Las Vegas
UFC returns to Meta APEX with another exciting featherweight main event that pits No. 8 ranked UFC featherweight contender Arnold Allen against No. 12 Melquizael Costa.
UFC FIGHT NIGHT: ALLEN vs COSTA takes place Saturday, May 16 in Las Vegas at Meta APEX. The prelims will air at 5 pm ET / 2 pm PT, followed by the main card airing at 8 pm ET / 5 pm PT. All bouts will stream live on Paramount+.
Main event scheduled for five rounds. All other bouts scheduled for three rounds.
[This page will be updated live throughout the weigh-ins, which begin at 12pm ET / 9am PT]
UFC Fight Night: Allen vs Costa Official Weigh-In Results:
MAIN CARD
Main Event - Featherweight Bout: Arnold Allen () vs Melquizael Costa ()
Co-Main Event - Featherweight Bout: Dooho Choi () vs Daniel Santos ()
Saturday's Full Fight Card Preview
Bantamweight Bout: Malcolm Wellmaker () vs Juan Diaz ()
Catchweight (215-lbs) Bout: Modestas Bukauskas () vs Christian Edwards ()
Bantamweight Bout: Timmy Cuamba () vs Benardo Sopaj ()
Welterweight Bout: Nikolay Veretennikov () vs Khaos Williams ()
PRELIMS
Light Heavyweight Bout: Tuco Tokkos () vs Ivan Erslan ()
Lightweight Bout: Tommy Gantt () vs Artur Minev ()
Women’s Bantamweight Bout: Ketlen Vieira () vs Jacqueline Cavalcanti ()
MORE FIGHT NIGHT: Rising Stars | Costa's Opportunity | Diaz's Statement | Allen's Best | Allen Interview | Wellmaker Interview | Cavalcanti Ready | Gantt Interview
Middleweight Bout: Cody Brundage () vs Andre Petroski ()
Women’s Strawweight Bout: Alice Ardelean () vs Polyana Viana ()
Flyweight Bout: Daniel Barez () vs Luis Gurule ()
Women’s Strawweight Bout: Shauna Bannon () vs Nicolle Caliari ()
Don't miss a moment of UFC Fight Night: Allen vs Costa, live from Meta APEX in Las Vegas, Nevada on May 16, 2026. Prelims start at 5pm ET/2pm PT, followed by the main card at 8pm ET/5pm PT. Watch the entire event live on Paramount+.