Career
A versatille defender he experienced considerable success with before moving to Turkey to play for Süper Lig sides Denizlispor and A. Sebatspor until he joined Chinese side Shenzhen Jianlibao and became a prominent figure within the team for five seasons. Marek Zając previously played for Cracovia and Hutnik Krakow before he moved to Polish powerhouse where he experienced considerable success by winning two league titles and a call up to his national team This saw Turkish side Denizlispor interested with his services and Zając moved to them during the 2001-2002 season, however he only played in ten league games before returning to Poland with Zagłębie Lubin the following season.
With another chance to play in the Süper Lig Marek Zając joined Akçaabat Sebatspor in the 2003-2004 season where he stayed for one season.
Halfway through the 2004 Chinese league season Zając moved to Shenzhen Jianlibao to help them in their push for the league title. Zając made two appearances for the Polish national team