Kozlina started his professional career playing for Yugoslav powerhouse Hajduk Split in 1958.

Upon his return he spent another four season with Hajduk before moving abroad and joining Belgian side RFC Liégeois in 1967.

Kozlina made his debut for Yugoslavia in a January 1960 friendly match away against Morocco and earned a total of 9 caps, scoring no goals.

[1] He was a member of the squad which won gold medal at the 1960 Summer Olympics in Rome.

This biographical article related to a football midfielder from Croatia is a stub.