Career
Radonjić represented Serbia and Montenegro at the 2004 Summer Olympics. After Montenegro declared independence from Serbia, Radonjić played for the national team of Montenegro on the occasion. Radonjić moved to Partizan in January 2004, staying there for the next three years, until January 2007.
In the national championship, Radonjić scored a total of 33 goals in 57 appearances, also becoming the league"s top scorer in the 2005-2006 season with 20 goals.
Radonjić represented Montenegro at the 2007 Kirin Cup in Japan, where he played in both matches against the hosts and Colombia.