Background
Sometimes also referred to by another nickname Boško, Janković grew up in Sarajevo where he began playing football in FK Željezničar youth system.
Sometimes also referred to by another nickname Boško, Janković grew up in Sarajevo where he began playing football in FK Željezničar youth system.
He signed a professional contract at the age of 17 after passing through every age level at the club, making his First League debut during 1968-1969 season. He was the Yugoslav First League joint topscorer in 1970-1971 season alongside Hajduk"s Petar Nadoveza. Particularly notable during this season was Janković"s performance in an away league match versus Red Star Belgrade at Marakana when he scored 4 goals - the game ended 4–1 for Željezničar.
Janković also played for Yugoslav national team
He spent 11 seasons with FK Željezničar (256 league matches, 96 goals) before leaving to join English side Middlesbrough Football Club in February 1979. He played 42 games in two and a half seasons spent there.
He scored 16 goals and he was a club topscorer in 1980-1981 season with 12 goals. At the end of the season, he surprised everyone as he decided to end his playing career and start a new one as a lawyer
However, he postponed that decision and signed a contract with Football Club Metz.
This excellent finisher ended his career there. He had returned to Sarajevo where he eventually started his law practice. He left the city after the start of War in Bosnia and Herzegovina.
In October 1993 he died in Kotor of natural causes at the age of 42.
He was also a member of FK Željezničar board.