Career
On 12 October 2007 Osman was injured during training and as a result he sat out the remainder of the 2007-2008 A-League season. On July 2008 Osman re-signed with the Mariners for the 2008-2009 season. On 3 December 2008 he was signed by Gold Coast United for their inaugural A-league season.
He played as a center midfielder for the Australian A-League club Gold Coast United, before signed for Parramatta Eagles in summer of 2011.