After he retired from playing football, Wiśniewski began a MMA career.
Connie Wisniewski | Jacek Tylicki | Jacek Kaczmarski | Jacek Malczewski | Jacek Komuda | Jacek Proć | Jacek Kowalczyk | Jacek Kochan | Mark Wisniewski | Jacek Malinowski | Jacek Lachowicz | Jacek Krenz | Jacek Gmoch | Jacek Dehnel | Jacek Bąk |