Mladenović scored for Red Star and was voted best player of the game, for which he was supposed to get a watch as a prize, but he rejected it out of disappointment with the loss.

[4] An exodus began when Sá Pinto announced in an emotional press conference when he said that he could no longer work at Red Star due to instabilities in the team's administration.

[6] 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.

[7] On 23 February 2014, Serbian news portal B92 reported that Mladenović signed for Belarusian team BATE Borisov with a three-year contract.

[8] He made his debut for BATE in the 2014 Belarusian Super Cup final against FC Minsk, and went on to score a goal 20 minutes into the game.

[18] Mladenović made his debut for the Serbia national football team under coach Siniša Mihajlović on 31 May 2012, in a 2–0 loss against France.