UFC · Final: 13 of 13 fights decided

UFC Fight Night: Allen vs. Costa

Saturday, May 16, 2026 at 5:00 PM ET · Meta APEX, Las Vegas, NV, USA

UFC Fight Night: Allen vs. Costa was on Saturday, May 16, 2026 at 5:00 PM ET at Meta APEX, Las Vegas, NV, USA: 13 fights. Main event: Arnold Allen (21-4-0) vs. Melquizael Costa (26-8-0), 5 rounds. Arnold Allen won by Decision - Unanimous, round 5 at 5:00.

Main card: 6 fights

Arnold Allen (21-4-0) vs. Melquizael Costa (26-8-0) Featherweight · 5 roundsArnold Allen won by Decision - Unanimous, round 5 at 5:00Allen vs. Costa fight page
Dooho Choi (17-5-1) vs. Daniel Santos (15-3-0) Featherweight · 3 roundsDooho Choi won by KO/TKO (Punch), round 2 at 4:29Choi vs. Santos fight page
Malcolm Wellmaker (10-3-0) vs. Juan Diaz (16-1-1) Bantamweight · 3 roundsJuan Diaz won by Submission (Rear Naked Choke), round 2 at 4:08Wellmaker vs. Diaz fight page
Modestas Bukauskas (21-7-0) vs. Christian Edwards (9-5-0) Catch Weight · 3 roundsModestas Bukauskas won by Decision - Split, round 3 at 5:00Bukauskas vs. Edwards fight page
Timmy Cuamba (11-4-0) vs. Bernardo Sopaj (13-3-0) Bantamweight · 3 roundsBernardo Sopaj won by Submission (Rear Naked Choke), round 2 at 2:25Cuamba vs. Sopaj fight page
Nikolay Veretennikov (14-8-0) vs. Khaos Williams (16-6-0) Welterweight · 3 roundsKhaos Williams won by KO/TKO (Punches), round 1 at 3:31Veretennikov vs. Williams fight page

Prelims: 7 fights

Tuco Tokkos (11-6-0) vs. Ivan Erslan (15-6-0) Light Heavyweight · 3 roundsIvan Erslan won by Decision - Unanimous, round 3 at 5:00Tokkos vs. Erslan fight page
Tommy Gantt (13-0-0) vs. Artur Minev (7-1-0) Lightweight · 3 roundsTommy Gantt won by KO/TKO (Punches), round 2 at 2:51Gantt vs. Minev fight page
Ketlen Vieira (16-6-0) vs. Jacqueline Cavalcanti (10-2-0) Women's Bantamweight · 3 roundsKetlen Vieira won by Decision - Unanimous, round 3 at 5:00Vieira vs. Cavalcanti fight page
Cody Brundage (12-9-1) vs. Andre Petroski (13-7-0) Middleweight · 3 roundsCody Brundage won by KO/TKO (Punches), round 2 at 0:44Brundage vs. Petroski fight page
Alice Ardelean (12-7-0) vs. Polyana Viana (13-9-0) Women's Strawweight · 3 roundsAlice Ardelean won by Submission (Calf Slicer), round 2 at 4:36Ardelean vs. Viana fight page
Daniel Barez (17-8-0) vs. Luis Gurule (11-4-0) Flyweight · 3 roundsLuis Gurule won by Decision - Unanimous, round 3 at 5:00Barez vs. Gurule fight page
Shauna Bannon (7-3-0) vs. Nicolle Caliari (9-5-0) Women's Strawweight · 3 roundsNicolle Caliari won by Submission (Arm Triangle), round 3 at 3:08Bannon vs. Caliari fight page