One of the most accomplished European welterweights England’s John Maguire (24-8, 3 KO, 14 Sub) will challenge Borys Mańkowski (18-5-1, 3 KO, 7 Sub) for the KSW welterweight title in one of the KSW 37: Circus of Pain main events on December 3rd in Kraków, Poland.

33-year-old Brit is a former UFC fighter and veteran of the most renowned UK promotions: BAMMA, Cage Warriors, Made4theCage and UCMMA. With over thirty professional bouts in his career, Maguire has twenty-four wins and seventeen finishes under his belt.

Being a very slick boxer, Maguire finishes most of his fights on the ground. In his most recent outings, the Englishman submitted Vincent Del Guerra, Colin Fletcher and most recently Kieran Malone at ACB show in Scotland.

Mańkowski returns to KSW cage after injury that prevented him from competing at KSW 34. The 27-year-old has been undefeated for the last four years, including championship wins over Aslambek Saidov, David Zawada and Jesse Taylor. At KSW 37 the Ankos MMA product will defend the KSW welterweight title for the third time.

In the KSW 37 co-main event former 5-time World’s Strongest Man Mariusz Pudzianowski (9-5, 3 KO, 2 Sub) battles the Polish Internet sensation and former Cage Rage heavyweight Popek Monster (2-1, 2 KO) in the most anticipated attraction in Polish MMA history.

Also on the card, KSW champion Karol Bedorf (14-2, 5 KO, 3 Sub) faces Sao Paulo’s knockout king Fernando Rodrigues Jr (10-2, 7 KO, 2 Sub), while Artur Sowiński (17-7, 6 KO, 6 Sub) squares off against The Ultimate Fighter veteran Marcin Wrzosek (11-3, 4 KO, 3 Sub) in the heated grudge match.