Bülent took the job as manager of Sivasspor in 2006, with the club having just completed their first ever season in the top flight, after promotion from Turkey’s second tier in May 2005.

British press had picked up on this 'surprise team' with many wondering if they will be able to break the stronghold of the dominant 'Istanbul Big Three', Galatasaray, Fenerbahçe and Beşiktaş, and become only the fifth club to win the league.

Through their league position, the qualified for the 2nd Round of the, now defunct, UEFA Intertoto Cup; the first time in the club's history that they participated in a European Competition.

It was thought that Sivasspor would be the first team in 25 years to win the league, outside of the 'Istanbul Big Three', when Trabzonspor won at the end of the 1983–84 season.

They qualified for the Champions League entering the third round as the best-placed path for non-champions, and were drawn against Anderlecht of Belgium.

Uygun relishes the fact that minnows Sivasspor, with a budget of just $12 million, will be playing in the Champions League this coming season.

They were drawn in the Champions League third qualifying round against Anderlecht, and on their debut match on 29 July 2009, lost 5–0 away to the Belgian side.

[10][11] On 15 December 2013, Bülent was appointed new head coach of Umm Salal SC in Qatar Stars League.

[12] Bülent has stated that his managerial influence has come from Brazilian 1994 World Cup manager Carlos Alberto Parreira, whom he worked under while playing for Fenerbahçe S.K.

And I developed my own system, which I call "TürBülent"” [5]The computer program he devised called "TürBülent", is a training system sees players alternate between performance-enhancing fitness binges and prolonged rests, the idea being that form-sapping fatigue can be meticulously scheduled against breaks in the fixture calendar.