Career
Club career
A midfielder, Kozák joined Bratislava in the year 2003, winning the Corgoň Liga with the club the very next season, 2004-2005. He scored 7 goals in 34 appearances in the season. In 2005-2006, he played in 11 matches for the club, scoring three goals, before moving to West Bromwich Albion in January 2006.
He made his debut for Albion on 4 February 2006, coming on as a substitute for Geoff Horsfield in a Premier League match against Blackburn Rovers.
He was not considered good enough for the then manager Bryan Robson to sign, so left at the end of his loan spell. He made his debut for Poli Timișoara in an away match at Gloria Bistriţa.
On 21 July 2010, he was released. Ján Kozák ended his career playing in the Austrian 2.
Landesliga for DSG Union Perg. and SV Stripfing.
He was selected to take the captains armband. He also made the squad for Slovakia"s World Cup debut in 2010.
