Career
He is the brother of Michael Petkovic. Petkovic has also had trials with Southampton F.C. and Norway"s Rosenborg BK before joining Nationaal Samenwerkingsprogramma Luchtkwaliteit outfit Adelaide City in 1993. A broken leg sustained during a match against the Central Coast Mariners has ended his A-League 2006-2007 season and possibly his career.
However, in Round 19 of the A-League 2007-2008 season he made a return to Perth against the Central Coast Mariners which ended in a 1-1 draw showing good signs of his recovery.