Career
His nickname is Gianini. Born in Plovdiv, Bulgaria, Petrov played for the PFC Botev Plovdiv, PFC Levski Sofia, PFC Slavia Sofia and PFC Lokomotiv Sofia. He also played for the Bulgaria national team He has managed PFC Lokomotiv Sofia, PFC Botev Plovdiv, and PFC Cherno More Varna.
Levski Sofia On 20 May 2010, Yasen Petrov was presented as a new head coach of Levski Sofia.
Then after series of good matches, Levski qualified for Union of European Football Associations Europa League after eliminating Dundalk F.C., Kalmar FF and AIK Fotboll. Levski was drawn in Group C, facing Gent, Lille and Sporting Communist Party. At the end of the season, Levski Sofia finished 2nd and Petrov was released from the club
