Overview
- Will Fleury will make his first heavyweight title defense as OKTAGON’s two-division champion at light heavyweight and heavyweight.
- The Irish champion is 15-3 with 1 no contest and has won OKTAGON titles at two weights since debuting in April 2024.
- Martin Buday re-signed with OKTAGON after a 7-1 UFC run that included victories over Andrei Arlovski and Marcus “Buchecha” Almeida.
- This matchup is Buday’s first fight back in the promotion, where he previously held the heavyweight championship.
- OKTAGON 81 will be staged at Prague’s O2 Arena with a flyweight title bout between Zhalgas Zhumagulov and David Dvořák also announced.