Arnold Allen vs Melquizael Costa
· Las Vegas, Nevada, USA · 13 fights
UFC Fight Night: Allen vs. Costa took place on May 16, 2026 in Las Vegas, Nevada, USA. In the main event, Arnold Allen defeated Melquizael Costa by Decision - Unanimous in round 5 (5:00). The card featured 13 fights: 8 finishes (4 KO/TKO, 4 submissions) and 5 decisions.
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📊GOATRankings predictions
4/13 winners · 31%
The C-ELO™ model picked 4 of 13 winners correctly on this card, including 1 of 3 high-confidence picks.
Full track record →💰Betting model · Kelly Hybrid
-0.19 units · ROI -100%
3 bets placed on this card, 0 won. Every bet is logged publicly.
Full track record →📈Biggest C-ELO™ gain of the night
+63 C-ELO
Juan Diaz gained the most rating on the card against Malcolm Wellmaker.
Fight analysis →🎯Biggest C-ELO™ upset
121 C-ELO gap
Cody Brundage (945) beat Andre Petroski (1,066) despite the lower pre-fight C-ELO.
Fight analysis →🆕UFC debuts
4 debuts · 2 won
Christian Edwards (lost), Juan Diaz (won), Tommy Gantt (won) and Artur Minev (lost).
👊Most significant strikes
149 landed
Luis Gurule out-landed everyone on the card against Daniel Barez.
Fight analysis →
Featherweight Bout
May 16, 2026
Women's Bantamweight Bout
May 16, 2026
Catch Weight Bout
May 16, 2026
Welterweight Bout
May 16, 2026
Women's Strawweight Bout
May 16, 2026
Women's Strawweight Bout
May 16, 2026
Light Heavyweight Bout
May 16, 2026
Flyweight Bout
May 16, 2026
