Career
Fabbro played in the 2004 Intercontinental Cup. In 2012, Fabbro was named as the Paraguayan Football player of the Year. He is the brother of former football player Darío Fabbro.
In 2002, Fabbro returned from Spain"s RCD Mallorca to join Boca Juniors Reserves and Academy.
On 5 May 2002, Fabbro debuted for the first-team of Boca Juniors in a 2–1 home victory against Velez Sarsfield, where he was coached by Óscar Tabárez. Fabbro then went on to play for the club"s first-team in a match against Independiente.
In 2003, Fabbro returned to play for the Boca Juniors first-team in four more matches, where he would score one goal against Rosario Central in a match which Boca Juniors lost 7-2 having fielded the majority of the first-team with youth-team players.