Career
He has played at Sakaryaspor all his life but only featuring in youth leagues. In the season 2007-2008 he had 19 appearances in the Deplasmanlı Süper Gençler Lig where he bagged 5 goals. He has also featured in the DSGL Turkey Champions with 3 appearances.
He signed a three-year contract for Fenerbahçe on 15 January 2009, but was allowed to see out the rest of the season at Sakaryaspor.
During the second half of the 2009-2010 season he was loaned to TFF First League team Mersin İdmanyurdu. In June 2010 he was included in the summer camp squad by Fenerbahçe"s manager Aykut Kocaman.
After a strong season at Mersin İdmanyurdu he was sent to Manisaspor on loan. On 3 August 2012, he joined Samsunspor on loan for the 2012-2013 season.
Onur made his international début for Turkey U-15 where he played 3 international friendlies.
He was then called up to Turkey U-16 and featured in the Nike Tournament, Easter Tournament and the Viktor Bannikov Tournament. He then moved on to Turkey U-17 where he has appeared in 2 international friendlies, and four "Fédération internationale de football association U17 World Cup" games. In 2010 he was capped in Turkey U-19 national team in "Union of European Football Associations European Championship Finals 2009-2010" and played three games.