In September 2008, he signed a short-term deal with Estudiantes, to replace injured Martin Rančík.

[4] In July 2010, he signed a one-year deal with the Russian team Spartak Saint Petersburg.

In September 2011, he returned for the third time to Crvena zvezda, signing a one-year contract.

[7] In June 2013, he signed a one-year contract with Aliağa Petkim of the Turkish Basketball League.

[10] Popović played for Serbia and Montenegro at the 2004 Olympic Basketball Tournament in Athens.