Petrov began his professional career at native club Dobrudzha Dobrich during 1996.

He earned 32 appearances in the Russian Premier League and scored two goals, before a year later, he returned to Bulgaria, signing with Lokomotiv Sofia.

[2] In June 2010 Petrov signed with Kaliakra Kavarna, playing eight games until his retirement in December 2010.

On 20 December 2010, Petrov was appointed as the assistant to the manager Milen Radukanov at CSKA Sofia.

Petrov is married to Virginia and they are the parents of a daughter, Stella, as well as a boy, Samuil, and a girl, Estel, who are twins.