Complex sentence: Ali Rıza Sergen Yalçın (born November 5,1972 in Istanbul) is a former Turkish footballer and is recognised as one of the greatest footballers to play for Turkey.
Split into simpler sentences: Ali Rıza Sergen Yalçın (born November 5,1972 in Istanbul) is a former Turkish footballer. The Turkish player who is recognised as one of the greatest footballers to play for Turkey.