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UFC Fight Night: Allen vs. Costa

📅 May 16, 2026 📍 Las Vegas, Nevada, USA 13 bouts

Other events 24

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14 upcoming · 10 past

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Main event ✓ Arnold Allen won · by Decision · R5 Honest Elo mode featherweight

Arnold Allen

#5 1635 · 12-3-0

Dec Dec Dec

Melquizael Costa

#20 1562 · 7-3-0

KO KO Dec

Open matchup breakdown

Co-main event ✓ Dooho Choi won · by TKO · R2 Honest Elo mode featherweight

Dooho Choi

#35 1519 · 6-3-1

KO KO KO

Daniel Santos

#30 1527 · 4-2-0

Dec KO KO

Open matchup breakdown

Main card ✓ Juan Diaz won · by Submission · R2 bantamweight

Malcolm Wellmaker

#57 1436 · 2-2-0

KO Dec Sub

Juan Diaz

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Matchup breakdown unavailable — one fighter not in our snapshot yet.

Main card ✓ Modestas Bukauskas won · by Decision · R3 catch weight

Modestas Bukauskas

#23 1510 · 8-5-0

KO KO Dec

Christian Edwards

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Matchup breakdown unavailable — one fighter not in our snapshot yet.

Main card ✓ Benardo Sopaj won · by Submission · R2 Honest Elo mode bantamweight

Timmy Cuamba

#61 1425 · 2-3-0

KO Dec Sub

Benardo Sopaj

#47 1479 · 2-1-0

KO Dec Sub

Open matchup breakdown

Main card ✓ Khaos Williams won · by TKO · R1 Honest Elo mode welterweight

Nikolay Veretennikov

#69 1428 · 2-4-0

Dec KO KO

Khaos Williams

#37 1546 · 7-4-0

Sub Dec KO

Open matchup breakdown

Preliminary card ✓ Ivan Erslan won · by Decision · R3 Honest Elo mode light heavyweight

Tuco Tokkos

#39 1394 · 1-3-0

Dec Sub Dec

Ivan Erslan

#31 1412 · 1-3-0

Dec Sub Dec

Open matchup breakdown

Preliminary card ✓ Tommy Gantt won · by TKO · R2 lightweight

Tommy Gantt

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Artur Minev

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Matchup breakdown unavailable — one fighter not in our snapshot yet.

Preliminary card ✓ Ketlen Vieira won · by Decision · R3 Honest Elo mode women's bantamweight

Ketlen Vieira

#8 1547 · 10-5-0

Dec Dec Dec

Jacqueline Cavalcanti

#3 1573 · 5-1-0

Dec Dec Dec

Open matchup breakdown

Preliminary card ✓ Cody Brundage won · by TKO · R2 Honest Elo mode middleweight

Cody Brundage

#57 1429 · 6-8-0

KO Dec KO

Andre Petroski

#34 1511 · 8-5-0

Dec KO KO

Open matchup breakdown

Early prelims ✓ Alice Ardelean won · by Submission · R2 Honest Elo mode women's strawweight

Alice Ardelean

#24 1475 · 3-2-0

Dec Dec Sub

Polyana Viana

#44 1388 · 4-8-0

KO Sub Sub

Open matchup breakdown

Early prelims ✓ Luis Gurule won · by Decision · R3 Honest Elo mode flyweight

Daniel Barez

#44 1391 · 1-3-0

Dec Sub Dec

Luis Gurule

#73 1383 · 1-4-0

Dec Dec Sub

Open matchup breakdown

Early prelims ✓ Nicolle Caliari won · by Submission · R3 Honest Elo mode women's strawweight

Shauna Bannon

#42 1406 · 2-3-0

Sub Sub Sub

Nicolle Caliari

#37 1424 · 1-2-0

Dec KO Sub

Open matchup breakdown

Marked bouts also run in Honest Elo mode

Source Card data scraped from UFCStats.com →. Honest Elo Meter samples from each fighter's rating uncertainty. This is data analysis, not betting advice.