Pablo Cesar Barrientos (Darregueira, Argentina. Born 17 January 1985) is an Argentine footballer known for his great dribbling and ball control. He currently plays for Club Nacional de Football in Montevideo, Uruguay.
Barrientos began his professional career in 2003 with San Lorenzo, as he officially was promoted from youth team football to the club's first team. He instantly became a big hit for the Argentine club, and his performance saw him begin to earn call-ups to the Argentine U-20 and U-21 football teams. At the age of 21, the player had already managed 72 league appearances with 7 league goals, also earning 15 caps and scoring 6 goals for his country. The player's impressive form lead to many transfer rumours, and the player was linked to a host of European clubs. However, in July 2006, Barrientos transferred to FC Moscow, of Russia.
Following his move to Russia, the player did not hold down a guaranteed starting spot and after two seasons in the Russian Premier League, the 23-year-old Barrientos made 33 league appearances and scored 6 goals. For the 2008–2009 season, Barrientos was sent back to San Lorenzo, on a long loan deal. Despite not playing the full season at his former club, Barrientos still managed to score a very impressive 9 goals in just 21 league starts. Following his return to Moscow, the player was again linked to several different clubs, after his excellent loan period in Argentina. In May 2009, it was confirmed that Barrientos signed for Sicilian giants, Calcio Catania in the Italian Serie A.