 The Arbitration Committee in the FSS ruled in Mladenović's favor on November 23, giving him the status of a free agent.After the ruling on Mladenović and Marko Vešović, coach Slaviša Stojanovič took both players off of the first team, but legally were still members of Red Star until the winter 2013–14 transfer window.On February 23, 2014, Serbian news portal "B92" reported that Mladenović signed for Belarusian team BATE Borisov with a three-year contract.