On July 18, 2012 Dejan Musli signed a three-year contract with Partizan Belgrade (with option to leave after two seasons), and averaged 5.3 points and 3.1 rebounds over 23 EuroLeague games.
On 18 July 2012, shortly after terminating his contract with Caja Laboral, Musli signed a three-year contract with Partizan Belgrade, with option to leave after two seasons. He averaged 5.3 points and 3.1 rebounds over 23 EuroLeague games. 
