[2] In June 2005, he was signed by Spanish club Villarreal CF for a fee of €2 million[3] alongside another player in his position, Sebastián Viera.

[4] Barbosa served mainly as reserve at Villarreal, but filled in for Viera in several games, most notably in the semi-finals of the 2005–06 UEFA Champions League against Arsenal.

[5] In the summer of 2007, after the signing of Diego López, Barbosa was allowed to join fellow La Liga side Recreativo de Huelva.

[7] In 2008, Barbosa returned to his country and joined Estudiantes de La Plata, being loaned to fellow Argentine Primera División team Club Atlético River Plate the following year.

[17] Barbosa was second-choice for the Argentina under-20 team that reached the semi-finals of the FIFA World Cup in 2003, eventually finishing in fourth place.