He is best known for his spell at Barcelona SC where he was a fan favourite.

He was best known for his spell with Real Madrid.

He is best known for his spell at Leeds United and also his ability to score goals from long range, including being a free kick specialist.

He is best known for his spell as manager of Wimbledon between May 2002 and June 2004.

Even though he played for four different clubs in his country, he is best known for his spell with Portugal's Benfica.

He is best known for his spell as the Chairman of the Celtic Plc board.

He is best known for his spell with Spain's Espanyol, where he played for seven years.

He is best known for his 20-year spell at Benfica, having retired well into his 40's after appearing in nearly 650 official games.

He is most well known for his spell as manager at Sunderland A.F.C.

Best known for his 11-year spell with Porto, he appeared in more than 300 official games for the club and won a total of 13 major titles.