Career
Football Club Košice, MFK Ružomberok and German teams Tennis Borussia Berlin and 1. Football Club Union Berlin. He played for Slovakia 38 matches. Kozák was a leader of the 1.
Football Club Košice defense in the championship winning seasons of 1997 and 1998, and also in the 1997-1998 Union of European Football Associations Champions League campaign.
Nowadays he is working in the structures of MFK Košice.
