27 appearances for Argentina National Football Team (2005-2014); scored 3 goals. Member of the Copa América 2007, and the Germany '06 and the Brazil '14 squads.
His father José Ramón Palacio is former soccer player.
Won the Argentine Primera División (2005 Apertura, 2006 Clausura, 2008 Apertura); Recopa Sudamericana (2005, 2006, 2008); Copa Sudamericana (2005); Copa Libertadores (2007) with Boca Juniors.