After the second half of the season, Vilotić was showing promising potential and was promoted to captain of Red Star for a brief period in the 2011 summer off-season.

[1] By late November 2011, he was also openly accused in the media by his teammate Cristian Borja of creating a bad atmosphere in the squad with the intention of sabotaging the foreign players that were playing in Red Star at the time.

On 31 January 2014, Vilotić moved to the league rivals BSC Young Boys, ending a two-year playing spell with Grasshopper.

In April 2010 national team coach Radomir Antić selected him in Serbia squad for a friendly match against Japan in Osaka, but Vilotić failed to debut due to stomach problems.

After a surgical intervention in Bologna, and a period of recovery, during which he had the undivided support of the public in Serbia, in January 2011 doctors confirmed that he could play professional football again.