Complex sentence: Vardanyan was also a key defender for the Armenia national team, having played 63 international matches and scored 1 goal sice his debut in away friendly match against United States on May 15,1994.
Split into simpler sentences: Vardanyan was also a key defender for the Armenia national team, having played 63 international matches. He scored 1 goal sice his debut--in the away friendly match against United States on May 15,1994.