What type of details about Zeljko kovacevic can be gathered from the following bio? Bio: Zeljko kovacevic -lrb- serbian cyrillic : ; born 30 october 1981 -rrb- is a serbian football defender who plays for polet ljubic in the serbian league west .
- clubs - caps - position - currentclub - height - years - youthclubs - birth date - fullname - name - birth place - goals