Career
Borrelli begun his career in the late 1980s in River Plate. Soon, Greek champions Panathinaikos Football Club brought him (1991) as the new leader of the team He was much-beloved by Panathinaikos fans who nicknamed him "Jota Jota".
As a result, his performances attracted scouters from many European teams and in 1997 he was sold to Spanish team Real Oviedo.
In the end of the season he returned to Argentina River Plate and San Lorenzo. In 2000/2001 season played for the Argentine side Tigre Football Club. The following season Borrelli played for a team in Uruguay called Deportivo Maldonado and in the winter returned to Greece for Akratitos.
During the summer, Juan Jose Borrelli announced his retirement. Two years after his retirement (2004), Borrelli was signed by River Plate as Youth Team head coach.