UFC Completed

UFC Fight Night: Allen vs. Costa

Saturday, May 16, 2026 Meta APEX, Las Vegas 13 fights

Summary

UFC Fight Night: Allen vs. Costa takes place on Saturday, May 16, 2026. The event is held at Meta APEX, Las Vegas. The card features 13 fights, headlined by Arnold Allen vs Melquizael Costa. Main event result: Arnold Allen defeated Melquizael Costa via Unanimous Decision in round 5. Scroll down for community predictions, odds and detailed results.

Updated on Jun 2, 2026

Main Event — Featherweight

21-4-0

Winner

VS

Melquizael Costa

26-8-0

Defeat

Arnold Allen via Unanimous Decision (R5)

Arnold Allen50% Melquizael Costa50%

16 predictions Top predicted method: KO (63%)

70"

Reach

71"

5' 8"

Height

5' 10"

32

Age

29

⚔ See full fight breakdown →

Who fights on the main card of UFC Fight Night: Allen vs. Costa?

Khaos Williams 16-5-0 W

VS Welterweight

Nikolay Veretennikov 14-8-0 L

Khaos Williams via KO/TKO (R1)

Khaos Williams89% Nikolay Veretennikov11%

9 predictions Top predicted method: KO (56%)

⚔ Tale of the tape →

Bernardo Sopaj 13-3-0 W

VS Bantamweight

Timmy Cuamba 10-4-0 L

Bernardo Sopaj via Submission (R2)

Bernardo Sopaj73% Timmy Cuamba27%

11 predictions Top predicted method: DEC_U (45%)

⚔ Tale of the tape →

Modestas Bukauskas 20-7-0 W

VS Catch Weight

Christian Edwards 8-5-0 L

Modestas Bukauskas via Split Decision (R3)

Modestas Bukauskas92% Christian Edwards8%

12 predictions Top predicted method: KO (75%)

⚔ Tale of the tape →

Malcolm Wellmaker 10-2-0 L

VS Bantamweight

Juan Diaz 16-1-1 W

Juan Diaz via Submission (R2)

Malcolm Wellmaker85% Juan Diaz15%

13 predictions Top predicted method: KO (92%)

⚔ Tale of the tape →

Dooho Choi 17-4-1 W

VS Featherweight

Daniel Santos 14-3-0 L

Dooho Choi via KO/TKO (R2)

Dooho Choi8% Daniel Santos92%

13 predictions Top predicted method: KO (69%)

⚔ Tale of the tape →

What fights are on the prelims of UFC Fight Night: Allen vs. Costa?

Daniel Barez 17-8-0 L

VS Flyweight

Luis Gurule 11-4-0 W

Luis Gurule via Unanimous Decision (R3)

Daniel Barez58% Luis Gurule42%

12 predictions Top predicted method: KO (42%)

⚔ Tale of the tape →

Alice Ardelean 12-7-0 W

VS W Strawweight

Polyana Viana 13-9-0 L

Alice Ardelean via Submission (R2)

Alice Ardelean67% Polyana Viana33%

12 predictions Top predicted method: DEC_U (42%)

⚔ Tale of the tape →

Cody Brundage 12-9-1 W

VS Middleweight

Andre Petroski 13-7-0 L

Cody Brundage via KO/TKO (R2)

Cody Brundage0% Andre Petroski100%

12 predictions Top predicted method: DEC_U (42%)

⚔ Tale of the tape →

Ketlen Vieira 16-5-0 W

VS W Bantamweight

Jacqueline Cavalcanti 10-2-0 L

Ketlen Vieira via Unanimous Decision (R3)

Ketlen Vieira8% Jacqueline Cavalcanti92%

12 predictions Top predicted method: DEC_U (75%)

⚔ Tale of the tape →

Tommy Gantt 12-0-0 W

VS Lightweight

Artur Minev 7-1-0 L

Tommy Gantt via KO/TKO (R2)

Tommy Gantt100% Artur Minev0%

11 predictions Top predicted method: KO (45%)

⚔ Tale of the tape →

Tuco Tokkos 11-6-0 L

VS Light Heavyweight

Ivan Erslan 15-6-0 W

Ivan Erslan via Unanimous Decision (R3)

Tuco Tokkos64% Ivan Erslan36%

11 predictions Top predicted method: KO (64%)

⚔ Tale of the tape →

Nicolle Caliari 9-4-0 W

VS W Strawweight

Shauna Bannon 7-3-0 L

Nicolle Caliari via Submission (R3)

Nicolle Caliari75% Shauna Bannon25%

12 predictions Top predicted method: DEC_U (33%)

⚔ Tale of the tape →

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