Complex sentence: Chung Joon-Yeon (born April 30,1989) is a South Korean footballer who currently plays as defender for Chunnam Dragons in the K-League and Korea Republic national under-20 football team.
Split into simpler sentences: Chung Joon-Yeon (born April 30,1989) is a South Korean footballer. He currently plays as a defender for Chunnam Dragons in the K-League as well as the Korea Republic national under-20 football team.