Center back who played for River Plate from 2000-2003 then signed with Bayern Munich, where he played from 2003-2010.
In 1994-1995, he played youth soccer for Complejo Deportivo.
He signed with Manchester City in 2013.
He married Evangelina Anderson in 2015.
From 2005-2008, he was teammates on Argentina with attacking midfielder Juan Roman Riquelme.