KSW 121: Vojčák and Wójcik to fight for interim heavyweight title

The KSW 121 mixed martial arts event is scheduled to take place in Liberec, featuring several high-stakes matchups. The main event will see Štefan Vojčák face Marcin Wójcik for the interim heavyweight championship. The co-main event features middleweight contenders Michał Michalski and Radosław Paczuski.

Other notable fights on the card include Leo Brichta against Kacper Formela, and Muslim Tulszajev against Kacper Koziorzębski. Regarding weight class decisions, Kacper Formela announced he will remain in the lightweight division (70 kg) to prioritize his long-term health over the physical toll of cutting to 66 kg.

Additionally, fighter Kacper Koziorzębski expressed dissatisfaction with the promotional efforts surrounding his upcoming bout against Tulszajev, suggesting that the organization could have done more to build tension between the competitors.