Who is the older brother of the current captain of Hamburger SV in the German Bundesliga?
Gōtoku Sakai Gōtoku Sakai (酒井 高徳 , Sakai Gōtoku , born 14 March 1991) is a Japanese footballer. He currently plays for and captains Hamburger SV in the German Bundesliga and is a player for the Japanese national team, mainly as a right back.
Ronald Koeman Ronald Koeman (] ; born 21 March 1963) is a former Dutch footballer and the current manager of English club Everton. He is the younger brother of former Feyenoord coach Erwin Koeman and the son of former Dutch international Martin Koeman. A composed player on the ball, Koeman was capable of being deployed both as a defender and as a midfielder, and he frequently played as a sweeper, due to his vision and his ability on the ball. Regarded as one of the best and most prolific attacking central defenders of all time, Koeman was renowned for his long-range passing, as well as his shooting accuracy and power from distance, especially on free kicks, and is the top scoring defender in world football; he was also an accurate penalty kick taker.