XTB KSW 90: Wrzosek vs. Vitasović was a mixed martial arts event held by Konfrontacja Sztuk Walki on January 20, 2024, in Warsaw, Poland.

[5] During the gala in Liberec, two local heroes will also return to the cage: Dominik Humburger (7-1, 6 KO) and Josef Stummer (3-1, 1 Sub).

To celebrate the twentieth anniversary of the KSW brand, a special event is being prepared, which will take place on February 24 at the PreZero Arena in Gliwice.

In the main event of the XTB KSW Epic gala, which will harken back to the history of Mixed Martial Arts Confrontation, an incredible duel between two legends of the sports world will take place.

A KSW Bantamweight Championship bout between reigning champion Jakub Wiklacz and #2 contender Zuriko Jojua headlined the event.

A lightweight bout between Ramzan Jembiev and the promotional newcomer El Hadji Ndiaye was scheduled to take place at the event.

A rematch for the KSW Welterweight Championship between reigning champion Adrian Bartosiński and #1 contender Andrzej Grzebyk was expected to headline the event.