Michal Andryszak defeated Denis Smoldarev by Knockout in round 1 (3:08) in the Catchweight bout of ACA 52: ACB 52 - Vienna, held Saturday, January 21, 2017.
ACA 52: ACB 52 - Vienna was an MMA event from Absolute Championship Akhmat, held Saturday, January 21, 2017. 52 is part of ACA's numbered event series. 8 fights took place on the card.
