MMA Fighters — Siege MMA

1 fighters at Siege MMA, 0 upcoming fights

Polish mixed martial arts fighter

Marcin Tybura is a Polish professional mixed martial artist. He currently competes in the Heavyweight division of the Ultimate Fighting Championship (UFC). A professional competitor since 2011, Tybura previously fought for M-1 and was an M-1 Global Heavyweight Champion and M-1 Grand Prix 2013 Heavyweight Champion. As of March 31, 2026, he is #11 in the UFC heavyweight rankings.