Nigerian President Muhammadu Buhari has appointed former international footballer Daniel Amokachi as his special adviser on sports, his office said on Thursday. Amokachi, 46, who featured at two World Cups in 1994 and 1998, won Olympic gold in 1996 and also won the Africa Cup of Nations both as a player and an assistant coach. He played for Everton in the English Premier League as well as for Besiktas in Turkey and Club Brugge in Belgium. Nicknamed 'The Bull', Amokachi has also worked with the country's various teams as a coach after his playing career was ended by a niggling knee injury. sam/joa/dj