The year 2012 is the 9th year in the history of the Konfrontacja Sztuk Walki, a mixed martial arts promotion based in Poland. In 2012 Konfrontacja Sztuk Walki held 4 events beginning with, KSW 18: Unfinished Sympathy.

KSW 18: Unfinished Sympathy was a mixed martial arts event held on February 25, 2012 at the Orlen Arena in Płock, Poland.

The original main event of Jan Blachowicz fighting Dave Branch was changed when Branch had passport issues in the days leading up to the event. He was replaced by Mario Miranda.

Marcin Różalski was initially scheduled to face Jerome Le Banner in a non-main event fight. However, a knee injury forced Le Banner off the card and with only two days notice Valentijn Overeem stepped in as a replacement.

KSW 19: Pudzianowski vs. Sapp was a mixed martial arts event held on May 12, 2012 at the Atlas Arena in Łódź, Poland.

The main event featured former World's Strongest Man Mariusz Pudzianowski facing Bob Sapp.

Also on the card was the first ever women's bout in KSW history when Marta Chojnoska fought Paulina Suska in a 55 kilograms (121 lb) catchweight bout.

The vacant KSW Middleweight Championship was given to the winner of Michał Materla and Jay Silva.

KSW 20: Fighting Symphonies was a mixed martial arts event held on September 15, 2012 at the Ergo Arena in Gdańsk, Poland.

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Wikipedia