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Chennaiyin FC won the 2015 Indian Super League (ISL) under the leadership of Italian coach Marco Materazzi. Chennaiyin FC won the title for the first time in their history. Materazzi was the coach of Chennaiyin FC from 2014 to 2015. He led the team to the ISL title in his first season with the club. Chennaiyin FC also reached the semi-finals of the 2015 AFC Cup under Materazzi's leadership.