Mariusz Joniak

KSW 98: Paczuski vs. Zerhouni was a mixed martial arts event that took place on Saturday September 14, 2024 at the RCS Arena in Lubin, Poland.

KSW 91: Mircea vs. Brichta was a mixed martial arts event that took place on Saturday, February 17, 2024 at the Home Credit Arena in Liberec, Czech Republic.

KSW 83: Colosseum 2 was a mixed martial arts event that took place on Saturday, June 3, 2023 at the PGE Narodowy in Warsaw, Poland.