Jacek Wiśniewski
Jacek Wiśniewski is a Polish former footballer.
Born in Gliwice, Wiśniewski began playing football with the youth side Walce Zabrze and trained as a boxer.
He played professional football as a defender for Górnik Zabrze, Cracovia, Jastrzębie and Ruch Radzionków. Wiśniewski signed a 1.5-year contract with Wisła Płock in 2008. He ended his career with Gwarek Ornontowice, retiring in 2012.
After he retired from playing football, Wiśniewski began a MMA career. He lost to Kamil Waluś in his debut at KSW XX, on September 15, 2012.
