Keca started playing in Romania with Naţional Bucharest, a club at the time popular for foreign players from Eastern-Europe (the likes of his fellow Bosnian Slaviša Mitrović or Albanian Albert Duro) or Australians (Michael Thwaite, Ryan Griffiths or Jonathan McKain).
He was the second most used player in the 2006–07 season in Liga I playing 42 matches and a total of 2.491 minutes, after Jonathan McKain with 2.610 minutes.
Jonathan Swift | Jonathan Ross | Goodluck Jonathan | Jonathan Demme | Jonathan Lethem | Jonathan | Jonathan Richman | Jonathan Coulton | Jonathan Safran Foer | Jonathan King | Jonathan Rhys Meyers | Jonathan Zittrain | Jonathan Silverman | Jonathan Nott | Jonathan Kaplan | Jonathan Harris | Jonathan Cain | Jonathan Butler | Jonathan Borofsky | Jonathan Aitken | Jonathan Wells | Jonathan Tweet | Jonathan Pryce | Jonathan Pearce | Jonathan Dimbleby | Jonathan Blow | Jonathan Wells (intelligent design advocate) | Jonathan Pollard | Jonathan Harr | Jonathan Cape |