UFC Fight Night: Allen vs. Costa Full Fight Card, Date & Details
UFC Fight Night: Allen vs. Costa
United States
Main Card • Final
R5, 5:00
R2, 4:29
R2, 4:08
R3, 5:00
R2, 2:25
R1, 3:31
Prelims • Final
R3, 5:00
R2, 2:51
R3, 5:00
R2, 0:44
R2, 4:36
R3, 5:00
R3, 3:08
Official Event Results
Official Post-Fight Bonus Awards
Official Post-Fight Performance & Finish Bonuses
Fight of the Night ($100,000 each): Dooho Choi and Daniel Santos delivered a breathtaking, high-volume striking war in the featherweight co-main event, culminating in a dramatic second-round TKO for Choi.
Performance of the Night ($100,000 each): Juan Diaz secured a flawless second-round rear-naked choke submission over Malcolm Wellmaker, and Alice Ardelean authored a rare, highlight-reel calf slicer (capsule lock) submission over Polyana Viana.
Additional Finish Bonuses ($25,000 each): All other stoppage winners on the card received a $25,000 finish bonus: Bernardo Sopaj, Khaos Williams, Tommy Gantt, Cody Brundage, and Nicolle Caliari.
Reported Payouts & Disclosed Purses
Fighter Purses & Total Payout Estimates
| Fighter | Result | Base Purse | Win / Finish Bonus | Performance Bonus | Estimated Total |
|---|---|---|---|---|---|
| WIN | — | — | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | — | $100,000 | — | |
| LOSS | — | — | $100,000 | — | |
| WIN | — | — | $100,000 | — | |
| LOSS | — | — | — | — | |
| WIN | — | — | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | $25,000 | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | $25,000 | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | — | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | $25,000 | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | — | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | $25,000 | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | — | $100,000 | — | |
| LOSS | — | — | — | — | |
| WIN | — | — | — | — | |
| LOSS | — | — | — | — | |
| WIN | — | $25,000 | — | — | |
| LOSS | — | — | — | — |
*Official purse amounts for this event were not publicly disclosed by the Nevada State Athletic Commission (NSAC). Verified post-fight performance bonuses ($100,000 each for Fight of the Night and Performance of the Night) and finish bonuses ($25,000 each) are listed as confirmed by UFC promotional announcements. Undisclosed contractual base purses and win bonuses are denoted by —.
Historic UFC Records Set
Promotional Records & Milestones at UFC Fight Night: Allen vs. Costa
Alice Ardelean secured only the fourth calf slicer (capsule lock) submission finish in modern UFC history, defeating Polyana Viana at 4:36 of Round 2.
UFC instituted an elevated promotional payout structure featuring $100,000 performance and fight bonuses alongside supplementary $25,000 finish awards.
Arnold Allen landed a perfect 7-for-7 on takedown attempts across 25 minutes against Melquizael Costa, controlling 9:28 of mat time on his way to a unanimous 50-45 sweep.
Dooho Choi and Daniel Santos traded 144 combined significant strikes in under two rounds, earning Fight of the Night honors in a featherweight classic.
Peruvian bantamweight Juan Diaz authored a memorable UFC debut, taking down Malcolm Wellmaker five times before finishing him via rear-naked choke at 4:08 of Round 2.
Short-notice promotional newcomer Tommy Gantt preserved his unblemished professional record, moving to 13-0 with a dominant second-round TKO of Artur Minev.
Luis Gurule fired an astonishing 299 significant strikes, landing 149 over three rounds to capture a clean 30-27 sweep against Spain’s Daniel Barez.
Nicolle Caliari controlled 9 minutes and 18 seconds of the canvas against Shauna Bannon before locking in a fight-ending third-round arm-triangle choke.
Albania’s Bernardo Sopaj notched his first promotional victory with an emphatic second-round rear-naked choke stoppage over Timmy Cuamba.
Cody Brundage needed just 44 seconds into the second frame to knock down and finish Andre Petroski via heavy ground-and-pound strikes.
Modestas Bukauskas overcame Christian Edwards via split decision in an impromptu 215-pound catchweight bout assembled on fight week.
Khaos Williams scored another blistering first-round knockout inside the Octagon, halting Nikolay Veretennikov with punches at 3:31 of Round 1.
When and where did UFC Fight Night: Allen vs. Costa take place?
UFC Fight Night: Allen vs. Costa took place on Saturday, May 16, 2026, at the Meta Apex in Enterprise, Nevada (Las Vegas Valley).
Who won the main event between Arnold Allen and Melquizael Costa?
Arnold Allen defeated Melquizael Costa via unanimous decision (50–45, 50–45, 49–46) across five championship rounds in their featherweight headliner.
Who won the co-main event between Dooho Choi and Daniel Santos?
Dooho Choi defeated Daniel Santos via TKO (punches) at 4:29 of Round 2 after an incredible back-and-forth striking war that earned Fight of the Night honors.
What bonuses were awarded at UFC Fight Night: Allen vs. Costa?
$100,000 bonuses were awarded to Dooho Choi vs. Daniel Santos (Fight of the Night), Juan Diaz (Performance of the Night), and Alice Ardelean (Performance of the Night). Additionally, $25,000 finish bonuses were distributed to Bernardo Sopaj, Khaos Williams, Tommy Gantt, Cody Brundage, and Nicolle Caliari.
What was unique about Alice Ardelean’s submission victory?
Alice Ardelean executed a rare calf slicer (capsule lock) submission against Polyana Viana at 4:36 of Round 2, marking only the fourth calf slicer finish in UFC history.
Why did Modestas Bukauskas fight Christian Edwards at a 215-pound catchweight?
Bukauskas was originally scheduled to face Rodolfo Bellato in a light heavyweight contest. After Bellato withdrew on fight week for undisclosed reasons, newcomer Christian Edwards stepped in on short notice for an agreed 215-pound catchweight bout.
How was UFC Fight Night: Allen vs. Costa broadcast?
The entire 13-bout event streamed live across the United States on Paramount+, covering both the preliminary card and the six-fight main card.
Who called the action inside the Apex?
The broadcast featured play-by-play lead Brendan Fitzgerald alongside color analysts Michael Bisping and Paul Felder, with Joe Martinez introducing fighters inside the Octagon.
How many bouts were completed on this fight card?
The event concluded a full 13 bouts, consisting of 6 main card matchups and 7 preliminary card contests.
Did Tommy Gantt maintain his undefeated record?
Yes. Promotional newcomer Tommy Gantt improved to 13-0-0 with a commanding second-round TKO over fellow undefeated debutant Artur Minev.
What were the striking statistics for Luis Gurule vs. Daniel Barez?
Luis Gurule landed 149 of 299 significant strikes (178 total strikes), while Daniel Barez landed 113 of 246 significant strikes in a non-stop three-round flyweight battle won by Gurule via 30–27 unanimous decision.
How did Nicolle Caliari defeat Shauna Bannon?
Brazil’s Nicolle Caliari dominated grappling exchanges with over 9 minutes of control time before submitting Shauna Bannon with an arm-triangle choke at 3:08 of Round 3.
How did Cody Brundage defeat Andre Petroski?
Cody Brundage dropped Andre Petroski early in the second frame and finished the bout via TKO (punches) at 0:44 of Round 2, collecting a $25,000 finish bonus.
How did Juan Diaz win his UFC debut?
Peru’s Juan Diaz executed 5 takedowns and locked up a tight rear-naked choke at 4:08 of Round 2 against Malcolm Wellmaker, securing a $100,000 Performance of the Night bonus.
What did Arnold Allen achieve with his win over Melquizael Costa?
With his unanimous decision win (50–45, 50–45, 49–46), Arnold Allen solidified his position among the featherweight division’s elite, recording his 21st career professional victory.
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