Question: The 2001–02 FC Barcelona season contained a retired footballer who played in what capacity in his days before becoming the current manager?

Context paragraphs:
Joaquim Peris de Vargas: Joaquim Peris de Vargas is a former President of FC Barcelona.  He was one of the most controversial Presidents in the history of FC Barcelona.  He began his career as manager in 1910 as he occupied the vice presidency, a position he held with various presidents.  Taking advantage of Pay Àlvar resignation in September 1914, Vargas Peris assumed leadership of FC Barcelona.  His spell in charge at the club was marked by constant controversy, because I always wanted to impose his opinion and even got the players rebelling against him.  Vargas was famous for his quote: "I am Barcelona."  He left the organization at the request of the general assembly of FC Barcelona and he was forced to resign at the end of the season 1914-15.

Enrique Fernández Viola: Enrique Fernández Viola, commonly referred to as Enrique Fernández, (10 June 1912 – 6 October 1985) was a Uruguayan footballer and manager who played for Nacional, Talleres (RE), Independiente, FC Barcelona, Uruguay and the Catalan XI.  As a manager, he won two Uruguayan championships with Nacional and La Liga titles with both FC Barcelona and Real Madrid.  Along with Radomir Antic, he is one of only two coaches to have taken charge of both FC Barcelona and Real Madrid and he is the only coach to have won La Liga titles with both.  He was born in Montevideo, Uruguay.

Abelardo Fernández: Abelardo Fernández Antuña (] ; born 19 April 1970), known simply as Abelardo, is a Spanish retired footballer who played as a central defender, and a current manager.

Ferenc Plattkó: Ferenc Plattkó (born Franz Platko Kopiletz in Budapest, Hungary, 2 December 1898, died Santiago, Chile, 2 September 1983), also known as Ferenc Platko or Francisco Platko, was a Hungarian footballer and manager of Austrian origin.  During the 1910s and 1920s he played as a goalkeeper for Vasas SC, WAC Vienna, KAFK Kula, MTK Hungária FC, FC Barcelona, Recreativo de Huelva.  He subsequently worked as a coach in Europe and South America, most notably with FC Barcelona, Colo-Colo, River Plate, Boca Juniors and Chile.  Platko was an early FC Barcelona legend and was a team-mate of Paulino Alcántara, Josep Samitier and Sagibarba.  His bravery as a goalkeeper was immortalized by Rafael Alberti in the poem "Oda A Platko".  After retiring as a player he returned to the club as a coach on two occasions (1934–35, 1955–56).

1998–99 FC Barcelona season: During the 1998–99 FC Barcelona season, the club once again retained the La Liga title, but eliminated by Valencia in the round of 16 of Copa del Rey.  Barcelona enjoyed a great season with their new signings Ronald de Boer, Patrick Kluivert, Frank de Boer, Mauricio Pellegrino, Boudewijn Zenden and Phillip Cocu.  Barcelona's league start was slower in early season but Barcelona turnaround to secure La Liga in late-May, but Barcelona crashed out of the UEFA Champions League, following an another lackluster performance in the First Group Phase.

Josep Maria Fusté: Josep Maria Fusté Blanch (born 15 April 1941) is a retired Spanish footballer and captain of FC Barcelona during the 1960s and early 1970s.  In 1964, together with Luis Suárez, Amancio Amaro, José Ángel Iribar and his FC Barcelona team mate, Jesús María Pereda, he also helped Spain win the European Championship.  He also played for CA Osasuna and Hércules CF.  After retiring as a player he worked as a public relations executive for "Codorniu", a Catalan sparkling wine company.  He also served as president of the FC Barcelona veterans association and publicly supported Sixto Cambra, a Catalan nationalist, who stood against Josep Lluís Nuñez in the 1989 FC Barcelona presidential elections.

2001–02 FC Barcelona season: Futbol Club Barcelona's 2001–02 season was to be the last but one under the guidance of Joan Gaspart as president and the single season of management by Carles Rexach at Barcelona.  It was also the first season after long-serving captain Josep Guardiola moved on from the club.  Veteran players like Sergi Barjuán, Abelardo and the talismanic Rivaldo would play their final years at the club before a summer of change.  The club attained a respectable fourth place in the league, 11 points below eventual winners Valencia, as well as reaching the semi-finals of the UEFA Champions League.  Patrick Kluivert was the club's top scorer in all competitions, with 25 goals.

Emilio Sagi Liñán: Emilio Sagi Liñán (born Bolívar, Buenos Aires, Argentina, 15 March 1900; died Barcelona, 25 May 1951), was a former Spanish footballer who played as a left-winger for FC Barcelona, the Catalan XI and Spain during the 1920s and 1930s.  He was the son of Emilio Sagi Barba, the Catalan baritone singer, and Concepción Liñán Pelegrí, a dancer, and as a result, was widely referred to as Sagibarba (father's surnames together in a single surname).  During his playing career he played 455 games and scored 134 goals for FC Barcelona and is best remembered for forming a successful partnership with Paulino Alcántara.  Together with Josep Samitier, Ricardo Zamora, Félix Sesúmaga and, later, Franz Platko they were prominent members of the successful FC Barcelona team coached by Jack Greenwell.  His younger brother, Luís Sagi Vela, followed in his fathers footsteps and also became a successful baritone singer.  His son, Victor Sagi, later ran one of the biggest advertising agencies in Spain and in 1978 announced his candidacy for the presidency of FC Barcelona, but withdrew before the election was held.

FC Barcelona Bàsquet: FC Barcelona Bàsquet (English: FC Barcelona Basketball), also currently known as FC Barcelona Lassa for sponsorship reasons, is a Spanish professional basketball club.  It is a part of the FC Barcelona multi sports club, and was founded on 24 August 1926, which makes it the oldest club in the Liga ACB.  The club competes domestically in the Liga ACB and the EuroLeague.  It has won seven of the last thirteen ACB championships, and in 2003, completed a Liga ACB (Spanish League), Copa del Rey (Spanish King's Cup) and EuroLeague triple crown.  FC Barcelona Bàsquet has played in seven EuroLeague Finals, with the last one being their 2010 win.

Nou Palau Blaugrana: The Nou Palau Blaugrana will be a multi-sports indoor arena, located in Barcelona, Catalonia, Spain.  The arena will serve as the home arena for the basketball (FC Barcelona Bàsquet) and handball (FC Barcelona Handbol) sections of the multi-sports club FC Barcelona.  The Nou Palau Blaugrana will have a capacity of 12,500 spectators.

Supporting paragraphs: 2001–02 FC Barcelona season Abelardo Fernández
Answer: central defender