 He then played for Red Star Belgrade from 2005 to 2007, alongside Nikola Žigić, with the strikers standing at respectively 193 and 202 cm.Purović attracted interest from several clubs outside Serbia, and signed for Sporting Clube de Portugal in the summer of 2007.However, he only managed two Primeira Liga goals in his first season (six all competitions comprised), and would be loaned to Turkish Süper Lig side Kayserispor for 2008–09.