Complex sentence: Mert Zeki Korkmaz (born August 16,1971 in İstanbul) is a retired Turkish footballer who played as a defender, known for his fighting spirit and professional approach to the game.
Split into simpler sentences: Mert Zeki Korkmaz (born August 16,1971 in İstanbul) is a retired Turkish footballer. He played as a defender, and was known for his fighting spirit and professional approach to the game.