On 2 July 2019, Popović signed a three-year contract with Swiss club FC Zürich.[3] He made twelve appearances for the club in all competitions during the 2019–20 season, before terminating his contract on 29 January 2020.[4]
Krylia Sovetov Samara
On 2 February 2020, he returned to Russia and signed a two-and-a-half-year contract with Krylia Sovetov Samara.[5] He left Krylia Sovetov on 20 August 2020.[6]
On 19 July 2021, Popović signed with Cypriot First Division club Anorthosis Famagusta on a two-year contract until 2023.[8] His contract with Anorthosis was terminated by mutual consent on 26 August 2022.[9]