UFC Fight Night: Allen vs. Costa took place on 16 May 2026 at Meta Apex, Las Vegas, Nevada, U.S. Main event: Arnold Allen def. Melquizael Costa (Decision (unanimous) · R5 5:00). Full results for all 13 fights on the card, with winner, method and round.
Full results
Main Card
- Arnold Allen 21-4-0 · United KingdomMelquizael Costa 26-8-0 · BrazilArnold Allen def. Melquizael Costa Decision (unanimous) · R5 5:00
- Choi Doo-ho def. Daniel Santos TKO (punch to the body) · R2 4:29
- Juan Díaz def. Malcolm Wellmaker Submission (rear naked choke) · R2 4:08
- Modestas Bukauskas def. Christian Edwards Decision · R3 5:00
- Bernardo Sopaj def. Timothy Cuamba Submission (rear naked choke) · R2 2:25
- Khaos Williams 16-6-0 · United StatesNikolay Veretennikov 14-8-0 · KazakhstanKhaos Williams def. Nikolay Veretennikov TKO (punches) · R1 3:31
Prelims
- Ivan Erslan def. George Tokkos Decision (unanimous) · R3 5:00
- Thomas Gantt def. Artur Minev TKO (ground and pound) · R2 2:51
- Ketlen Vieira def. Jacqueline Cavalcanti Decision (unanimous) · R3 5:00
- Cody Brundage 12-9-1, 1 NC · United StatesAndre Petroski 13-6-0 · United StatesCody Brundage def. Andre Petroski TKO (punches) · R2 0:44
- Alice Ardelean def. Polyana Viana Submission (calf slicer) · R2 4:36
- Luis Gurule def. Daniel Bárez Decision (unanimous) · R3 5:00
- Nicolle Caliari def. Shauna Bannon Submission (arm triangle) · R3 3:08