In 2011, his player's rights were purchased by Serbian football agent Mirko Miličević for €5,000.
[1] In January 2012, Mihaylov began a trial with English side Manchester City.
[2] In July he traveled with the first squad for a pre-season training camp in Austria.
[4] Five days later, he made his debut in a 0–0 home draw against Litex Lovech in the Bulgarian Cup second round, as a second-half substitute for Atanas Kurdov.
This biographical article related to association football in Bulgaria, about a forward, is a stub.