Midfielder who joined the Mexican national team in 2013; scored 46 goals in 127 appearances for Pachuca between 2006 and 2009, before joining Cruz Azul in 2010.
He began his professional career with the Boca Juniors in 1998 after spending nearly a decade in the club's youth system.
He played for Independiente, Veracruz, and Club America before enjoying breakout success with Pachuca in 2006.
He was born and raised in Argentina, but became a naturalised Mexican citizen in July, 2013.
He and fellow midfielder Fernando Gago both came up through the Boca Juniors youth system.