Career
Melbourne Victory !Melbourne Victory recruited Kovacic from Oakleigh Cannons as a short-term replacement for the injured Daniel Piorkowski towards the end of the 06/07 season, featuring in two games. He also played for several years in the now defunct National Soccer League with the Melbourne Knights. In June, 2008 Kovacic began trialling with the Newcastle Jets and impressed in two pre-season games, including one against the Central Coast Mariners.
In early July Kovacic signed with the Newcastle Jets on a two-year deal to bolster their defence.
In March, 2009, Kovacic moved to Ulsan Hyundai Horang-i to take up the club"s "3+1" Anterior Cruciate Ligament roster spot. He returned to Australia for one season, helping Richmond Eagles to the Victorian Premier League Premiership and Grand Final in 2010.
In February 2014, Kovačić returned to the Melbourne Knights. At the end of the season, Kovacic retired from competitive football.