Question: Which Chilean footballer joined the team Barcelona beat to win the 2008-09 Champions League title from Arsenal in 2018?

full_context: Document 1: FC Barcelona: After Laporta's departure from the club in June 2010, Sandro Rosell was soon elected as the new president. The elections were held on 13 June, where he got 61.35% (57,088 votes, a record) of total votes. Rosell signed David Villa from Valencia for €40 million and Javier Mascherano from Liverpool for €19 million. In November 2010, Barcelona defeated their main rival, Real Madrid 5–0 in El Clásico. In the 2010–11 season, Barcelona retained the La Liga trophy, their third title in succession, finishing with 96 points. In April 2011, the club reached the Copa del Rey final, losing 1–0 to Real Madrid at the Mestalla in Valencia. In May, Barcelona defeated Manchester United in the 2011 Champions League Final 3–1 held at Wembley Stadium, a repeat of the 2009 final, winning their fourth European Cup. In August 2011, La Masia graduate Cesc Fàbregas was bought from Arsenal and he would help Barcelona defend the Spanish Supercup against Real Madrid. The Supercup victory brought the total number of official trophies to 73, matching the number of titles won by Real Madrid.
Document 2: Lionel Messi: Lionel Messi Messi with Argentina in November 2017 Full name Lionel Andrés Messi Cuccittini Date of birth (1987 - 06 - 24) 24 June 1987 (age 30) Place of birth Rosario, Argentina Height 1.70 m (5 ft 7 in) Playing position Forward Club information Current team Barcelona Number 10 Youth career 1994 -- 2000 Newell's Old Boys 2001 -- 2004 Barcelona Senior career * Years Team Apps (Gls) 2003 -- 2004 Barcelona C 10 (5) 2004 -- 2005 Barcelona B 22 (6) 2005 -- Barcelona 418 (383) National team 2004 -- 2005 Argentina U20 18 (14) 2008 Argentina U23 5 (2) 2005 -- Argentina 124 (64) Honours (show) Representing Argentina Olympic Games 2008 Beijing FIFA World Cup 2014 Brazil Copa América 2007 Venezuela 2015 Chile 2016 United States South American U-20 Championship 2005 Colombia FIFA U-20 World Cup 2005 Netherlands * Senior club appearances and goals counted for the domestic league only and correct as of 29 May 2018 ‡ National team caps and goals correct as of 16 June 2018
Document 3: Zlatan Ibrahimović: Zlatan Ibrahimović Ibrahimović with Manchester United in 2016 Full name Zlatan Ibrahimović Date of birth (1981 - 10 - 03) 3 October 1981 (age 36) Place of birth Malmö, Sweden Height 1.95 m (6 ft 5 in) Playing position Striker Club information Current team Manchester United Number 10 Youth career Malmö BI FBK Balkan Malmö FF Senior career * Years Team Apps (Gls) 1999 -- 2001 Malmö FF 40 (16) 2001 -- 2004 Ajax 74 (35) 2004 -- 2006 Juventus 70 (23) 2006 -- 2009 Internazionale 88 (57) 2009 -- 2011 Barcelona 29 (16) 2010 -- 2011 → Milan (loan) 29 (14) 2011 -- 2012 Milan 32 (28) 2012 -- 2016 Paris Saint - Germain 122 (113) 2016 -- 2017 Manchester United 28 (17) 2017 -- Manchester United 0 (0) National team 1999 Sweden U18 (1) 2001 Sweden U21 7 (6) 2001 -- 2016 Sweden 116 (62) * Senior club appearances and goals counted for the domestic league only and correct as of 16 April 2017.
Document 4: FC Barcelona: Later the same month, Barcelona won the UEFA Super Cup after defeating Porto 2–0 thanks to goals from Lionel Messi and Cesc Fàbregas. This extended the club's overall number of official trophies to 74, surpassing Real Madrid's total amount of official trophies. The UEFA Super Cup victory also marked another impressive achievement as Josep Guardiola won his 12th trophy out of 15 possible in only three years at the helm of the club, becoming the all-time record holder of most titles won as a coach at FC Barcelona.
Document 5: Alexis Sánchez: Alexis Sánchez Sánchez playing for Chile in 2017 Full name Alexis Alejandro Sánchez Sánchez Date of birth (1988 - 12 - 19) 19 December 1988 (age 29) Place of birth Tocopilla, Chile Height 1.69 m (5 ft 7 in) Playing position Forward / Winger Club information Current team Manchester United Number 7 Youth career 2004 -- 2005 Cobreloa Senior career * Years Team Apps (Gls) 2005 -- 2006 Cobreloa 47 (12) 2006 -- 2011 Udinese 95 (20) 2006 -- 2007 → Colo - Colo (loan) 32 (5) 2007 -- 2008 → River Plate (loan) 23 (4) 2011 -- 2014 Barcelona 88 (39) 2014 -- 2018 Arsenal 122 (60) 2018 -- Manchester United 12 (2) National team 2006 -- 2008 Chile U20 18 (4) 2006 -- Chile 121 (39) Honours (show) Representing Chile Winner Copa América 2015 Winner Copa América Centenario 2016 Runner - up FIFA Confederations Cup 2017 FIFA U-20 World Cup 2007 * Senior club appearances and goals counted for the domestic league only and correct as of 17: 00, 13 May 2018 (UTC) ‡ National team caps and goals correct as of 27 March 2018
Document 6: FC Barcelona: As of December 2015[update], Barcelona has won 23 La Liga, 27 Copa del Rey, 11 Supercopa de España, three Copa Eva Duarte[note 2] and two Copa de la Liga trophies, as well as being the record holder for the latter four competitions. They have also won five UEFA Champions League, a record four UEFA Cup Winners' Cup, a shared record five UEFA Super Cup and a record three FIFA Club World Cup trophies. They also won a record three Inter-Cities Fairs Cup trophies, considered the predecessor to the UEFA Cup-Europa League.
Document 7: Luis Suárez: Luis Suárez Suárez lining up for Uruguay at the 2018 FIFA World Cup Full name Luis Alberto Suárez Díaz Date of birth (1987 - 01 - 24) 24 January 1987 (age 31) Place of birth Salto, Uruguay Height 1.82 m (6 ft 0 in) Playing position Striker Club information Current team Barcelona Number 9 Youth career 2003 -- 2005 Nacional Senior career * Years Team Apps (Gls) 2005 -- 2006 Nacional 27 (10) 2006 -- 2007 Groningen 29 (10) 2007 -- 2011 Ajax 110 (81) 2011 -- 2014 Liverpool 110 (69) 2014 -- Barcelona 130 (110) National team 2006 -- 2007 Uruguay U20 (2) 2012 Uruguay U23 (3) 2007 -- Uruguay 103 (53) * Senior club appearances and goals counted for the domestic league only and correct as of 20 May 2018 ‡ National team caps and goals correct as of 15: 57, 6 July 2018 (UTC)
Document 8: Pierre-Emerick Aubameyang: Pierre - Emerick Aubameyang Aubameyang in 2014 Full name Pierre - Emerick Emiliano François Aubameyang Date of birth (1989 - 06 - 18) June 18, 1989 (age 29) Place of birth Laval, France Height 1.87 m (6 ft 2 in) Playing position Striker Club information Current team Arsenal Number 14 Youth career 1995 -- 1997 ASL L'Huisserie Football 1997 -- 1998 Nice 1998 -- 1999 ASL L'Huisserie Football 1999 -- 2001 Laval 2001 -- 2005 Rouen 2005 -- 2007 Bastia 2007 -- 2008 Milan Senior career * Years Team Apps (Gls) 2008 -- 2011 Milan 0 (0) 2008 -- 2009 → Dijon (loan) 34 (8) 2009 -- 2010 → Lille (loan) 14 (2) 2010 -- 2011 → Monaco (loan) 19 (2) 2011 → Saint - Étienne (loan) 33 (8) 2011 -- 2013 Saint - Étienne 54 (29) 2013 -- 2018 Borussia Dortmund 144 (98) 2018 -- Arsenal 13 (10) National team 2009 France U21 (0) 2012 Gabon U23 (1) 2009 -- Gabon 56 (23) * Senior club appearances and goals counted for the domestic league only and correct as of 16: 02, 13 May 2018 (UTC) ‡ National team caps and goals correct as of 16: 02, 13 May 2018 (UTC)
Document 9: James Rodríguez: James Rodríguez James Rodríguez training with Bayern Munich in 2018 Full name James David Rodríguez Rubio Date of birth (1991 - 07 - 12) 12 July 1991 (age 27) Place of birth Cúcuta, Colombia Height 1.80 m (5 ft 11 in) Playing position Attacking midfielder Winger Club information Current team Bayern Munich (on loan from Real Madrid) Number 11 Youth career 2001 -- 2005 Academia Tolimense de Fútbol 2005 -- 2006 Envigado Senior career * Years Team Apps (Gls) 2006 -- 2008 Envigado 30 (9) 2008 -- 2010 Banfield 42 (5) 2010 -- 2013 Porto 63 (25) 2013 -- 2014 Monaco 34 (9) 2014 -- Real Madrid 77 (28) 2017 -- → Bayern Munich (loan) 24 (7) National team 2007 Colombia U17 11 (3) 2011 Colombia U20 5 (3) 2011 -- Colombia 66 (21) Honours (show) Colombia Copa América Centenario 2016 United States * Senior club appearances and goals counted for the domestic league only and correct as of 20: 35, 24 August 2018 (UTC) ‡ National team caps and goals correct as of 28 June 2018
Document 10: FC Barcelona: On 11 August, Barcelona started the 2015–16 season winning a joint record fifth European Super Cup by beating Sevilla FC 5–4 in the 2015 UEFA Super Cup. They ended the year with a 3–0 win over Argentine club River Plate in the 2015 FIFA Club World Cup Final on 20 December to win the trophy for a record third time, with Suárez, Messi and Iniesta the top three players of the tournament. The FIFA Club World Cup was Barcelona's 20th international title, a record only matched by Egyptian club Al Ahly SC. By scoring 180 goals in 2015 in all competitions, Barcelona set the record for most goals scored in a calendar year, breaking Real Madrid's record of 178 goals scored in 2014.
Document 11: FC Barcelona: Barça beat Athletic Bilbao 4–1 in the 2009 Copa del Rey Final, winning the competition for a record-breaking 25th time. A historic 2–6 victory against Real Madrid followed three days later and ensured that Barcelona became La Liga champions for the 2008–09 season. Barça finished the season by beating the previous year's Champions League winners Manchester United 2–0 at the Stadio Olimpico in Rome to win their third Champions League title and completed the first ever treble won by a Spanish team. The team went on to win the 2009 Supercopa de España against Athletic Bilbao and the 2009 UEFA Super Cup against Shakhtar Donetsk, becoming the first European club to win both domestic and European Super Cups following a treble. In December 2009, Barcelona won the 2009 FIFA Club World Cup, and became the first football club ever to accomplish the sextuple. Barcelona accomplished two new records in Spanish football in 2010 as they retained the La Liga trophy with 99 points and won the Spanish Super Cup trophy for a ninth time.
Document 12: FC Barcelona: Domestically, Barcelona has won 23 La Liga, 27 Copa del Rey, 11 Supercopa de España, 3 Copa Eva Duarte and 2 Copa de la Liga trophies, as well as being the record holder for the latter four competitions. In international club football, Barcelona has won five UEFA Champions League titles, a record four UEFA Cup Winners' Cup, a shared record five UEFA Super Cup, a record three Inter-Cities Fairs Cup and a record three FIFA Club World Cup trophies. Barcelona was ranked first in the IFFHS Club World Ranking for 1997, 2009, 2011, 2012 and 2015 and currently occupies the second position on the UEFA club rankings. The club has a long-standing rivalry with Real Madrid; matches between the two teams are referred to as El Clásico.
Document 13: Sergio Agüero: Sergio Agüero Agüero with Manchester City in 2016 Full name Sergio Leonel Agüero Date of birth (1988 - 06 - 02) 2 June 1988 (age 29) Place of birth Buenos Aires, Argentina Height 1.73 m (5 ft 8 in) Playing position Striker Club information Current team Manchester City Number 10 Youth career 1997 -- 2003 Independiente Senior career * Years Team Apps (Gls) 2003 -- 2006 Independiente 54 (23) 2006 -- 2011 Atlético Madrid 175 (74) 2011 -- Manchester City 189 (130) National team Argentina U17 5 (3) 2005 -- 2007 Argentina U20 7 (6) 2008 Argentina U23 5 (2) 2006 -- Argentina 83 (35) Honours (show) Representing Argentina Men's Football 2008 Beijing Team Competition FIFA World Cup Runner - up 2014 Brazil Team Copa América Runner - up 2015 Chile Team Runner - up 2016 USA Team * Senior club appearances and goals counted for the domestic league only and correct as of 23: 14, 5 November 2017 (UTC). ‡ National team caps and goals correct as of 11 November 2017
Document 14: List of Spanish football champions: Real Madrid is the most successful club with 33 titles. The most recent club other than Real Madrid and Barcelona to win the league is Atlético Madrid in the 2013 -- 14 season. With their 30 May Copa del Rey defeat of Athletic Bilbao, Barcelona has won the Spanish version of The Double the most times, having won the league and cup in the same year six times in its history, breaking its tie with Athletic's five. Barcelona is the only Spanish team that has won the Treble, which includes the UEFA Champions League along with the league and Copa del Rey, and the only UEFA club to have won the treble twice after accomplishing that feat in 2015. The current champions are Real Madrid, who won the 2016 -- 17 competition.
Document 15: FC Barcelona: Though it is the most played local derby in the history of La Liga, it is also the most unbalanced, with Barcelona overwhelmingly dominant. In the primera división league table, Espanyol has only managed to end above Barça on three occasions from 80 seasons (1928–2015) and the only all-Catalan Copa del Rey final was won by Barça in 1957. Espanyol has the consolation of achieving the largest margin win with a 6–0 in 1951, while Barcelona's biggest win was 5–0 on five occasions (in 1933, 1947, 1964, 1975 and 1992). Espanyol achieved a 2–1 win against Barça during the 2008–09 season, becoming the first team to defeat Barcelona at Camp Nou in their treble-winning season.
ground_truth: Alexis Sánchez
sub_queries: What team did Barcelona beat to win 2008-09 Champions League title? Answer: Manchester United
chilean footballer who joined Manchester United from arsenal in 2018 Answer: Alexis Sánchez