KSW 105 event took place on April 26, 2025, at PreZero Arena in Gliwice, Poland. The main event features Adrian Bartosiński defending his KSW Welterweight Championship against Andrzej Grzebyk in a five-round rematch, with Bartosiński coming off a loss to Mamed Khalidov and Grzebyk on a four-fight win streak. The co-main event showcases a super-heavyweight clash between five-time World’s Strongest Man Mariusz Pudzianowski and former strongman Eddie Hall, making his MMA debut. Other notable bouts include Artur Szpilka vs. Errol Zimmerman in a heavyweight fight, Rafał Haratyk vs. Ibragim Chuzhigaev for the Light Heavyweight Championship, and Laura Grzyb’s MMA debut against Gabriela Hristea in women’s flyweight.