Answer
Lazio was managed by Vladimir Petković in 2013. Petković, a Swiss-Bosnian football manager, took over the reins of the Italian club in January 2013, replacing Edy Reja. Under Petković's guidance, Lazio finished ninth in the Serie A standings that season, securing a spot in the UEFA Europa League. He remained in charge of the team until June 2014, when he left to become the manager of the Swiss national team.