KSW 37: Circus of Pain
- PromotionKonfrontacja Sztuk Walki
- VenueTauron Arena
- LocationKraków, Poland
- Number of bouts9
Main Card
"Santo Forte"
Fernando Rodrigues Jr.
10-2-0
Heavyweight championship
Main Event | 3 x 5
VS
KO/TKO, Punches | R2 · 2:34Karol Bedorf
14-2-0
Mariusz Pudzianowski
9-5-0
Heavyweight bout
Co-Main Event | 3 x 5
VS
KO/TKO, Punches | R1 · 1:20"Popek Monster"
Paweł Mikołajuw
2-1-0
"The Tasmanian Devil"
Borys Mańkowski
18-5-1
Welterweight championship
3 x 5
VS
DecisionJohn Maguire
24-8-0
Marcin Wrzosek
11-3-0
Featherweight championship
3 x 5
VS
KO/TKO, Doctor Stoppage | R2 · 2:55"Kornik"
Artur Sowiński
17-7-0
"Tarzan"
Mansour Barnaoui
12-4-0
Lightweight bout
3 x 5
VS
KO/TKO, Doctor Stoppage | R1 · 3:09Łukasz Chlewicki
14-4-1
"The Giant"
Marcin Wójcik
9-4-0
Heavyweight bout
3 x 5
VS
Submission, Guillotine Choke | R1 · 3:43"Bane"
Marcin Łazarz
9-3-0
Preliminary Card
Roman Szymański
8-3-0
Catchweight bout
3 x 5
VS
Submission, Rear Naked Choke | R3 · 4:58"Szczena"
Sebastian Romanowski
11-6-1