Question: Which midfielder won the South American Footballer of the Year award?

Context paragraphs:
2011 South American Footballer of the Year: The 2011 South American Footballer of the Year, given to the best football player in South America by Uruguayan newspaper El País through voting by journalists across the continent, was awarded to Neymar of Santos on December 31, 2011.

Alberto Spencer: Alberto Pedro Spencer Herrera (6 December 1937 – 3 November 2006) was an Uruguayan–Ecuadorian footballer who played as a forward, regarded as the best Ecuadorian footballer of all time.  He is probably best known for his still-standing record for scoring the most goals in the Copa Libertadores, the most important club tournament in South America.  He was elected the 20th best South American footballer of the 20th century in a poll by the IFFHS in 2004.  He was known as "Cabeza Mágica " (Spanish for "magic head").

2009 South American Footballer of the Year: The 2009 South American Footballer of the Year, given to the best football player in South America by Uruguayan newspaper El País through voting by journalists across the continent, was awarded to Juan Sebastián Verón of Estudiantes de La Plata on December 31, 2009.

Rubén Paz: Ruben Wálter Paz Márquez (born 8 August 1959 in Artigas) is a Uruguayan former footballer who played as a midfielder.  Paz played at two FIFA World Cups for Uruguay and was also South American Footballer of the Year in 1988.  He retired in 2006 at the age of 47.  He's currently Peñarol's assistant coach.

2013 South American Footballer of the Year: The 2013 South American Footballer of the Year, given to the best football player in South America by Uruguayan newspaper El País through voting by journalists across the continent, was awarded to Ronaldinho of Atlético Mineiro on December 31, 2013.

Juan Sebastián Verón: Juan Sebastián Verón (] ; born 9 March 1975) is an Argentine footballer who plays and serves as the chairman for Estudiantes de La Plata, where he had served as Director of Sports.  A former midfielder, Verón's career started in Estudiantes, continued in Argentina's Boca Juniors, and included stints in several clubs in the Italian Serie A (where he won the "Scudetto" with Lazio and with Internazionale, and a UEFA Cup with Parma), and England's Manchester United and Chelsea.  In 2006, Verón returned to Estudiantes, where he remained until his retirement in 2014, aside from a brief spell with Brandsen.  He has announced his short return to first team will occur in Copa Libertadores 2017.

2012 South American Footballer of the Year: The 2012 South American Footballer of the Year, given to the best football player in South America by Uruguayan newspaper El País through voting by journalists across the continent, was awarded to Neymar of Santos on December 31, 2012.

UEFA Men's Player of the Year Award: The UEFA Men's Player of the Year Award (previously known as the UEFA Best Player in Europe Award) is an association football award given to the footballer playing for a football club in Europe that is considered the best in the previous season.  The award, created in 2011 by UEFA, is aimed at reviving the European Footballer of the Year Award (Ballon d'Or), which was merged with the FIFA World Player of the Year Award in 2010 to become the FIFA Ballon d'Or.  It also replaced the UEFA Club Footballer of the Year award.

Carlos Valderrama: Carlos Alberto Valderrama Palacio (] ; born 2 September 1961 in Santa Marta, Colombia), also known as "El Pibe" ("The Kid"), is a Colombian former footballer who played as a midfielder.  A creative playmaker, known for his precise passing, technical skills, and elegance on the ball, he is regarded as one of the best Colombian and South American footballers of all time, and by some as Colombia's greatest player ever; his distinctive hairstyle, as well as talent and skilful playing style made him one of South America's elite and most recognisable footballers in the late 1980s and early 1990s.  He won the South American Footballer of the Year award in 1987 and 1993, and in 1999, he was also named one of the top 100 players of the 20th century by World Soccer.  In 2004, he was included in the FIFA 100, a list of the 125 "greatest living footballers" chosen by Pelé to celebrate the 100th anniversary of FIFA.

South American Footballer of the Year: The Rey del Fútbol de América ("King of Football of America"), often referred to as the South American Footballer of the Year, is an annual association football award presented to the best footballer in South America over the previous calendar year.  The award was conceived by Venezuelan newspaper "El Mundo", which awarded it from 1971 to 1985.  Uruguayan newspaper "El País" took over from 1986 onwards.

Supporting paragraphs: 2009 South American Footballer of the Year Juan Sebastián Verón
Answer: Juan Sebastián Verón