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OKTAGON 81 FIGHT–BY–FIGHT: TITLES, REMATCHES, AND EMOTIONS THAT WILL TAKE OVER THE O2 ARENA
On December 28, Prague’s O₂ Arena will transform into the epicenter of European MMA. OKTAGON 81 delivers a spectacular year finale—title fights, heated rematches, and emotional farewells to legends.

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A long-awaited clash of two completely different worlds. Danish firebrand Jonas “Shark” Magard will step into Prague’s O₂ Arena on December 28th to face Brazilian finisher Elvis “Karate Kid” Silva.

OKTAGON 81 HIGHLIGHTS AND FUN FACTS BEFORE THE FINAL EVENT OF 2025
The final event of 2025 is just around the corner, so we’re serving up the best highlights, records, and stories to get you ready for this Sunday!

THE FINAL FIGHT OF MILOŠ PETRÁŠEK: A BELOVED FIGHTER SAYS GOODBYE IN THE O2 ARENA
Fan-favorite Miloš Petrášek is preparing for the final fight of his professional career. OKTAGON 81 will be the symbolic closing chapter to all the moments, highs, and lows that “Meloun” experienced in the organization. Let’s look back at the career of one of the most beloved Czech fighters.

FLEURY vs. BUDAY: A TITANIC TITLE CLASH OF TWO GIANTS AT THE TOP OF OKTAGON
The main event of OKTAGON 81 will deliver the very best that European MMA currently has to offer. Two men whose stories, physiques, and performances go far beyond the ordinary will step into the cage..















