Iran has had a history of integrating members of it’s Christian minority in the national football team. Just to focus on the better known names this small selection should be put forward:

Andranik Eskandarian was born on December 31, 1951 in Tehran in an Armenian family. He became a United States citizen in 1984. Eskandarian was a member of the Iranian team winning the Asia Cup 1976 in Tehran and reaching the quarterfinals of the Olympic Tournament in Montreal in 1976. He also played for Iran in the 1978 World Cup. Ref: wikipedia.org

Edmond Bezik (born 12 August 1975 in Tehran, Iran) is a retired Armenian-Iranian footballer and coach. He played for Persepolis, Sepahan and Ararat Tehran and was a member of Iran national football team. Having scored 22 goals for Ararat, 32 goals for Persepolis and 30 goals for Sepahan, he scored a total number of 84 goals during his time in Iran’s top division football league, becoming the top division’s all-time top goalscorer. Ref: wikipedia.org

Andranik Timotian-Samarani, born March 6, 1983 is an Iranian-Armenian footballer, more commonly known as Andranik “Ando” Teymourian. […] He played his first match for Iran in 2005, and has featured in Iran’s national squad for the 2006 FIFA World Cup and the 2007 and 2011 Asian Cups. He has played a total of 74 international matches, scoring 8 times. Ref: wikipedia.org