He joined newly-relegated Dutch Eerste Divisie side NAC ahead of the 1965-66 season and clinched promotion back to the top tier with them in the final game of that season.
[2] Kaloperović made his debut for Yugoslavia a November 1957 World Cup qualification match against Romania and earned a total of 6 caps (1 goal).
His final international was a June 1961 World Cup qualification match against Poland.
[3] Kaloperović died in January 2002 while making a guest appearance on the Belgrade television station SOS.
[4] This biographical article related to a Serbian association football midfielder is a stub.