Petrosyan was the all-time leading scorer for the Armenia national team, having scored 11 goals, and had participated in 69 international matches since his debut in the national team's first game in a home friendly match against Moldova on 14 October 1992.
[1] Henrikh Mkhitaryan overtook Petrosyan as Armenia's all-time scorer in 2013.
[2] Petrosyan worked as youth coach of FC Zürich, the last club he played for as a professional.
[3] In October 2016, Petrosyan become the manager of Armenia national team.
[4] Shirak Gyumri Maccabi Petach Tikva FC Zürich