Career
He played senior football with Mountain. Wellington before moving to Australia, helping Marconi Stallions to consecutive National Soccer League titles in 1988 and 1989. De Jong then took advantage of his heritage, joining Fortuna Sittard in the Dutch Eredivisie (First Division) in 1990, playing against the likes of Romario and Dennis Bergkamp.
De Jong played three seasons in the Dutch top flight (53 games.
6 goals) and one more in the Eerste Divisie (Second Division). He returned to New Zealand after the Dutch 1993-1994 season to play domestically for Central United and later played in the Australian National Soccer League for the Football Kingz 1999–2000.
De Jong retains involvement in football serving as a director on the New Zealand Football board and as vice president of the Oceania Football Confederation. He is an occasional television commentator for SKY television in New Zealand and has been a contributor of football related articles for the New Zealand Herald.