Career
Dolgov began his career with Ukrainian club Stal Alchevsk and came in 2006 to Moldova, who signed for Nistru. He offered a contract from Football Club Terek Grozny in early 2008 and joined in the Russian Premier League. Dumitru made only 7 matches during the 2008 season because of an injury.
In January 2011 returned to Moldova and signed for Football Club Sfîntul Gheorghe.
After a half year with Football Club Sfîntul Gheorghe joined in August 2011 to League rival Football Club Costuleni. In 2006 became the Moldova citizen and played for the Moldova national under-21 team