Fernández started his career with Estudiantes de La Plata in 1998, in 1999 he played for Argentina and in 2002 he was sold to Borussia Dortmund in Germany.
Fernández started his career with Estudiantes de La Plata in 1998. He played for Argentina. This was in 1999. He was sold to Borussia Dortmund in Germany. This was in 2002.