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|Date of birth||21 August 1954|
|Place of birth||Lille, France|
|Height||1.80 m (5 ft 11 in)|
|Playing position(s)||Left winger|
|* Senior club appearances and goals counted for the domestic league only|
He played as a winger and he earned 52 caps and scored 13 goals for the France national football team. He played in the 1978 FIFA World Cup and the 1982 FIFA World Cup, and was also part of the winning team at Euro 84. He also acquired Turkish citizenship in order to play as a neutral player at Galatasaray. He played with his Turkish citizenship at Galatasaray as Dündar Siz and won Turkish First League championship with Galatasaray in 1987-88 season.