KSW 57 took place Saturday in Lodz, Poland, with three championship fights featured on the card. In the main event, Phil De Fries battered Michael Kita to retain his heavyweight title. And in the co-main event, Marian Ziołkowski was impressive before ultimately finishing Roman Szymanski to claim the vacant lightweight title in their rematch. Also, Antun Racic staved off a tough challenge from Bruno Santos to rally for a close unanimous decision win and retain the bantamweight title. Check below for complete results and video highlights from the KSW 57.