Jacek Wiśniewski
Jacek Wiśniewski (born 7 June 1974) 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. References

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1974 births
Living people
Polish men's footballers
Men's association football defenders
Górnik Zabrze players
MKS Cracovia players
Wisła Płock players
GKS Jastrzębie players
Ruch Radzionków players
Footballers from Gliwice