Career
On 8 September 2013, Zdjelar signed a 5 years" contract with Greek giants Olympiakos for an undisclosed fee. He stayed with his former team for the 2013-2014 & 2014-2015 seasons before move to in 2015. In mid December 2015, Zdjelar believes that he is still in the plans of Olympiakos"s manager Marco Silva.
"Olympiakos told me that I am not for loan, because my manager wants me to stay, so I don"t know anything about Red Star"s interest.
I want to fight for my place in the team at least until summer, so far I have not played in many matches but I am still young. There are players of top level in my position, like Cambiasso, Milivojevic and Kasami and I try to learn things from them in trainings.
I am happy to be in the same squad with them and not afraid of the competition. Cambiasso is 36-year-old but he is always the first in training and still plays with the same enthusiasm", said the 20-year-old Zdjelar.
On 23 January 2016, he made his debut with the club in Super League 1-0 home game against Skoda Xanthi.
On 2 February along with Jimmy Durmaz replaced Alfred Finnbogason and Giannis Maniatis, who left Olympiakos in January, in Union of European Football Associations Europa League list ahead of matches against Royal Society of Chemistry Anderlecht. International Club.