Gobeljić started training football with local football school Bubamara 1991, and later passed all youth categories of Sloga Kraljevo.
He had started playing with the first team as a bonus player in the 2010–11 season.
In his debut season he played 27 league games and one Lav Cup Serbia match, against Red Star Belgrade in front of a full Kraljevo City Stadium on 22 September 2010.
At the beginning of his senior career, he was mostly used as a midfielder, but he also appeared as a right-back in some matches during the spring half-season, after Jovica Vasilić left the club.

For the 2011–12 season, after Sloga was promoted in the First League, he scored a total of three goals over the course of 31 league matches.
He played most frequently as a central midfielder, but he also appeared as a right-back in some matches.
At home 1–2 defeat against Čukarički, he played on stopper place, after Boban Dmitrović had been substituted out at the half-time.
Previously he scored a goal in the same game.
Later, during the competition, he scored two more goals in matches against Proleter Novi Sad and OFK Mladenovac.

During the 2012–13 season, Gobeljić continued playing primarily as a central midfielder until coach Neško Milovanović moved him to right-back before the end of the season.
He was the most standard player of the season, making 32 First League appearances and one cup appearance against OFK Beograd at Omladinski Stadium, when Sloga lost 5-0.
Although he did not score a goal, he was nominated for the man of the match once that season.

In the following season, the first team captain Aleksandar Božović dropped out of the starting eleven, with the more experienced Bojan Šejić replacing him on goal.
Gobeljić got an armband as a vice-captain ahead Miloš Janićijević and Nemanja Miletić.
On 25 September 2013, Gobeljić scored a goal in a cup match against Vojvodina, which went into overtime after a 1-1 tie.
He also scored against Žakula in the penalty series, although Sloga was eliminated after penalties.
as Sloga's captain he was nominated for man of the match.
Around this time he began playing more frequently as a utility player.
He played mostly matches as a right-back during the season.
Gobeljić started training football with local football school Bubamara 1991, and later passed all youth categories of Sloga Kraljevo. He had started playing with the first team as a bonus player in the 2010–11 season. In his debut season he played 27 league games and one Lav Cup Serbia match, against Red Star Belgrade in front of a full Kraljevo City Stadium on 22 September 2010. At the beginning of his senior career, he was mostly used as a midfielder, but he also appeared as a right-back in some matches during the spring half-season, after Jovica Vasilić left the club.
For the 2011–12 season, after Sloga was promoted in the First League, he scored a total of three goals over the course of 31 league matches. He played most frequently as a central midfielder, but he also appeared as a right-back in some matches. At home 1–2 defeat against Čukarički, he played on stopper place, after Boban Dmitrović had been substituted out at the half-time. Previously he scored a goal in the same game. Later, during the competition, he scored two more goals in matches against Proleter Novi Sad and OFK Mladenovac.
During the 2012–13 season, Gobeljić continued playing primarily as a central midfielder until coach Neško Milovanović moved him to right-back before the end of the season. He was the most standard player of the season, making 32 First League appearances and one cup appearance against OFK Beograd at Omladinski Stadium, when Sloga lost 5-0. Although he did not score a goal, he was nominated for the man of the match once that season.
In the following season, the first team captain Aleksandar Božović dropped out of the starting eleven, with the more experienced Bojan Šejić replacing him on goal. Gobeljić got an armband as a vice-captain ahead Miloš Janićijević and Nemanja Miletić. On 25 September 2013, Gobeljić scored a goal in a cup match against Vojvodina, which went into overtime after a 1-1 tie. He also scored against Žakula in the penalty series, although Sloga was eliminated after penalties. as Sloga's captain he was nominated for man of the match. Around this time he began playing more frequently as a utility player. He played mostly matches as a right-back during the season.
Marko Gobeljić