Career
Born in Požega, Boban went through the ranks of the nearby former Prva HNL team NK Kamen Ingrad. He debuted for the first team in the 2007-2008 season, while Kamen were competing in the 2. HNL. As the team was relegated, he left the club and joined another Treća HNL team, NK Virovitica.
He returned to Druga HNL quickly, however, playing 3 seasons at NK Vinogradar.
In the 2011-2012 season, he managed four goals and five assists in 24 appearances. In the 2012-2013 season he played for NK Pomorac.
At Pomorac, Boban was a mainstay in the first XI and added 8 goals to his 2. HNL tally that season.
The impressive season earned him a move to the newly relegated NK Zagreb in the summer of 2013.He helped Zagreb return to the Prva HNL by scoring 18 goals during the season, trailing only behind NK Inter Zaprešić"s Ilija Nestorovski (20 goals) in the league"s overall rankings.
He made his Prva HNL debut 3 days short of his 25th birthday, scoring in the 1–3 loss against NK Rijeka, repeating the feat a week later in his second top tier match, against NK Slaven Belupo. He grabbed a brace in Round 7, scoring both of Zagreb"s goals as they beat RNK Split by a scoreline of 2–1. He scored a memorable stoppage time equaliser against RNK Split, with the match finishing 2-2 after Zagreb were down 2–0.
He scored a hattrick in Round 31 as Zagreb beat bottom side NK Zadar.
He ended his first 1. HNL season with 13 goals, the fourth highest total in the league, and four assists.