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UFC Fight Night: Allen vs Costa

Main eventArnold Allen def. Melquizael Costaby Decision (unanimous) · 13 results recordedFull result →
DateSaturday, May 16, 2026Start 8:00 PM EDT
VenueMeta APEXLas Vegas, United States
BroadcastPARAMOUNT+How to watch
Join the discussionPredictions & oddsOfficial UFC event
Fight resultsComplete13 of 13 outcomes recordedView resultsHide results

Results appear as they are recorded; confirmation may be delayed. Each result shows what it does to both ratings: projected at first, then the published change once the rankings have counted the bout.

  1. Arnold Allen vs Melquizael CostaArnold Allen def. Melquizael Costa by Decision (unanimous) · Round 5 · 5:00Elo: Arnold Allen +13 to 1780 · Melquizael Costa −9 to 1683
  2. Doo Ho Choi vs Daniel SantosDoo Ho Choi def. Daniel Santos by TKO · Round 2 · 4:29Elo: Doo Ho Choi +16 to 1735 · Daniel Santos −16 to 1649
  3. Malcolm Wellmaker vs Juan DíazJuan Díaz def. Malcolm Wellmaker by Submission · Round 2 · 4:08Elo: Malcolm Wellmaker −18 to 1680 · Juan Díaz +18 to 1736
  4. Modestas Bukauskas vs Christian EdwardsModestas Bukauskas def. Christian Edwards by Decision (split) · Round 3 · 5:00Elo: Modestas Bukauskas +7 to 1710 · Christian Edwards −9 to 1567
  5. Timmy Cuamba vs Benardo SopajBenardo Sopaj def. Timmy Cuamba by Submission · Round 2 · 2:25Elo: Timmy Cuamba −20 to 1653 · Benardo Sopaj +20 to 1682
  6. Nikolay Veretennikov vs Khaos WilliamsKhaos Williams def. Nikolay Veretennikov by TKO · Round 1 · 3:31Elo: Nikolay Veretennikov −17 to 1653 · Khaos Williams +17 to 1720
  7. Tuco Tokkos vs Ivan ErslanIvan Erslan def. Tuco Tokkos by Decision (unanimous) · Round 3 · 5:00Elo: Tuco Tokkos −16 to 1593 · Ivan Erslan +16 to 1617
  8. Tommy Gantt vs Artur MinevTommy Gantt def. Artur Minev by TKO · Round 2 · 2:51Elo: Tommy Gantt +16 to 1723 · Artur Minev −24 to 1630
  9. Ketlen Vieira vs Jacqueline CavalcantiKetlen Vieira def. Jacqueline Cavalcanti by Decision (unanimous) · Round 3 · 5:00Elo: Ketlen Vieira +18 to 1672 · Jacqueline Cavalcanti −18 to 1671
  10. Cody Brundage vs Andre PetroskiCody Brundage def. Andre Petroski by TKO · Round 2 · 0:44Elo: Cody Brundage +25 to 1592 · Andre Petroski −25 to 1648
  11. Alice Ardelean vs Polyana VianaAlice Ardelean def. Polyana Viana by Submission · Round 2 · 4:36Elo: Alice Ardelean +18 to 1591 · Polyana Viana −18 to 1541
  12. Daniel Barez vs Luis GuruleLuis Gurule def. Daniel Barez by Decision (unanimous) · Round 3 · 5:00Elo: Daniel Barez −14 to 1595 · Luis Gurule +14 to 1658
  13. Shauna Bannon vs Nicolle CaliariNicolle Caliari def. Shauna Bannon by Submission · Round 3 · 3:08Elo: Shauna Bannon −31 to 1566 · Nicolle Caliari +20 to 1595

Recorded results remain available on this page.

Main card

Arnold Allen
Elo1780Great
3Y trend1774 → 1780
2024-01-21: 17742024-07-27: 17882026-01-24: 17682026-05-16: 1780
Winner#7gb-engArnold AllenAlmighty21-4-0FeatherweightVSFight details →Loser#13brMelquizael CostaMelk / Kaut26-8-0Melquizael Costa
Elo1683Good
3Y trend1596 → 1683
2023-07-16: 15962023-12-10: 15802024-06-15: 16062025-02-22: 16282025-03-29: 16482025-05-17: 16632025-12-13: 16772026-02-21: 16932026-05-16: 1683
Doo Ho Choi
Elo1719Good
3Y trend1699 → 1719
2024-07-20: 16992024-12-07: 17192026-05-16: 17352026-09-19: 1719
WinnerkrDoo Ho ChoiThe Korean Superboy17-5-1FeatherweightVSFight details →LoserbrDaniel SantosWillycat14-3-0Daniel Santos
Elo1649Solid
3Y trend1624 → 1649
2023-06-04: 16242025-05-10: 16432025-10-04: 16652026-05-16: 1649
Malcolm Wellmaker
Elo1680Good
3Y trend1617 → 1680
2023-06-24: 16172023-10-14: 16342024-01-20: 16522024-08-27: 16672025-04-26: 16962025-06-14: 17182025-11-15: 16982026-05-16: 1680
LoserusMalcolm WellmakerThe Machine10-2-0BantamweightVSFight details →WinnerpeJuan DíazPegajoso16-1-1Juan Díaz
Elo1736Good
3Y trend1665 → 1736
2023-07-21: 16652023-12-01: 16752024-04-26: 16842024-11-01: 16952025-02-21: 17022025-10-14: 17182026-05-16: 1736
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Modestas Bukauskas
Elo1724Good
3Y trend1650 → 1724
2023-11-05: 16502024-07-27: 16692025-02-22: 16892025-05-10: 17012025-09-06: 17192026-01-24: 17042026-05-16: 17102026-09-05: 1724
WinnerltModestas BukauskasThe Baltic Gladiator21-7-0Light HeavyweightVSFight details →LoserusChristian EdwardsPain9-5-0Christian Edwards
Elo1592Solid
3Y trend1544 → 1592
2024-11-08: 15442025-01-18: 15752025-05-24: 15602026-02-21: 15762026-05-16: 15672026-09-26: 1592
Timmy Cuamba
Elo1653Good
3Y trend1632 → 1653
2023-08-29: 16322023-08-29: 16512024-02-02: 16662024-02-11: 16522024-06-15: 16372025-04-26: 16532025-11-01: 16732026-05-16: 1653
LoserusTimmy CuambaTwilight Timmy10-4-0BantamweightVSFight details →WinneralBenardo SopajThe Lion King14-3-0Benardo Sopaj
Elo1682Good
3Y trend1666 → 1682
2023-12-30: 16662024-03-02: 16472025-01-18: 16622026-05-16: 1682
Nikolay Veretennikov
Elo1653Good
3Y trend1667 → 1653
2023-08-12: 16672024-04-27: 16832024-08-10: 16702025-02-22: 16522025-07-19: 16672025-10-04: 16512026-02-07: 16702026-05-16: 1653
LoserkzNikolay VeretennikovGladiator14-8-0WelterweightVSFight details →WinnerusKhaos WilliamsKhaos the Ox Fighter16-6-0Khaos Williams
Elo1705Good
3Y trend1741 → 1705
2024-05-18: 17412025-02-15: 17222025-06-07: 17032026-05-16: 17202026-10-03: 1705

Prelims

Tuco Tokkos
Elo1593Solid
3Y trend1607 → 1593
2023-08-19: 16072024-02-23: 16222024-05-18: 16052024-12-14: 15902025-07-12: 16102026-05-16: 1593
Losergb-engTuco TokkosTuco11-6-0Light HeavyweightVSFight details →WinnerhrIvan Erslan15-7-0Ivan Erslan
Elo1596Solid
3Y trend1631 → 1596
2023-10-14: 16312024-02-24: 16452024-09-28: 16312025-05-10: 16152025-09-27: 16002026-05-16: 16172026-09-12: 1596
Tommy Gantt
Elo1743Good
3Y trend1527 → 1743
2024-04-06: 15272024-06-29: 15542024-07-20: 15782024-07-27: 15952024-08-10: 16142024-09-07: 16332024-10-19: 16492024-11-30: 16632025-01-04: 16792025-02-08: 16902025-09-16: 17062026-05-16: 17232026-09-12: 1743
WinnerusTommy Gantt13-0-0LightweightVSFight details →LoseruaArtur MinievHeadhunter7-1-0Artur Miniev
Elo1630Solid
3Y trend1525 → 1630
2023-07-08: 15252023-09-15: 15522024-09-27: 15762024-11-03: 15992025-03-23: 16202025-07-18: 16332026-01-18: 16542026-05-16: 1630
Cody Brundage
Elo1592Solid
3Y trend1575 → 1592
2023-06-24: 15752023-09-23: 15892023-12-03: 16132024-04-14: 15982025-03-01: 16172025-06-14: 16052025-08-09: 15912026-01-31: 15782026-03-07: 15672026-05-16: 1592
WinnerusCody Brundage12-9-1MiddleweightVSFight details →LoserusAndre Petroski13-6-0Andre Petroski
Elo1648Solid
3Y trend1712 → 1648
2023-08-20: 17122023-10-14: 16912024-03-31: 16692024-07-13: 16832024-09-07: 16952025-02-15: 17102025-06-14: 16942025-09-27: 16732026-05-16: 1648
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Daniel Barez
Elo1595Solid
3Y trend1604 → 1595
2023-07-22: 16042024-09-28: 16232025-03-15: 16092026-05-16: 1595
LoseresDaniel Barez17-8-0FlyweightVSFight details →WinnerusLuis GuruleGrim11-4-0Luis Gurule
Elo1643Solid
3Y trend1640 → 1643
2023-08-27: 16402023-10-22: 16542024-04-21: 16742024-09-22: 16912024-10-15: 17012025-04-05: 16762025-09-13: 16612026-02-21: 16442026-05-16: 16582026-05-30: 1643
Shauna Bannon
Elo1566Solid
3Y trend1584 → 1566
2023-07-22: 15842024-07-27: 16032025-03-22: 16282025-09-06: 15972026-05-16: 1566
LoserieShauna BannonMama B7-3-0Women's StrawweightVSFight details →WinnerbrNicolle Caliari9-4-0Nicolle Caliari
Elo1595Solid
3Y trend1580 → 1595
2023-08-26: 15802023-10-29: 16012024-09-10: 16172025-01-11: 15952025-07-19: 15742026-05-16: 1595
Event command center

Card at a glance

All 13 recorded outcomes are in

Complete
Frozen model coverage0/13 bouts13 tracked bouts are still waiting for a model snapshot.
Strongest model leanNo forecast published yetThis updates when a frozen pre-fight prediction is available.
Closest matchupNo forecast published yetThis updates when a frozen pre-fight prediction is available.
Model vs EloNo comparison yetModel and Elo are compared only when both select a side.
Review results and Elo movement

Event status

Complete

Event progress

All 13 recorded outcomes are in. Final fight details and published Elo changes stay together here.

  1. AnnouncementDoneDate and location tracked
  2. Fight cardDone13 bouts tracked
  3. ResultsDone13 of 13 outcomes recorded
  4. Elo movementPublished13 bouts matched to the published snapshot
View predictions & modelHow Combat Edge Elo works

Published rating impact

Elo movement from this event

13 matched bouts

UFC Fight Night: Allen vs Costa is a completed MMA event scheduled for Saturday, May 16, 2026 at Meta APEX in Las Vegas, United States. The fight card includes 13 tracked fights, led by Arnold Allen vs Melquizael Costa, with bout links, fighter profiles, results, and Combat Edge stats. Main event result: Arnold Allen def. Melquizael Costa by Decision (unanimous).

UFC Fight Night: Allen vs Costa quick answers

When is UFC Fight Night: Allen vs Costa?

UFC Fight Night: Allen vs Costa is scheduled for Saturday, May 16, 2026. Start 8:00 PM EDT.

Where is UFC Fight Night: Allen vs Costa?

UFC Fight Night: Allen vs Costa is listed for Meta APEX in Las Vegas, United States.

What is the main event for UFC Fight Night: Allen vs Costa?

The main event listed for UFC Fight Night: Allen vs Costa is Arnold Allen vs Melquizael Costa.

How many fights are on UFC Fight Night: Allen vs Costa?

Combat Edge currently tracks 13 fights for UFC Fight Night: Allen vs Costa.

Event discussion

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