[1] However, later in December he received a six-month ban from the Conmebol for having launch positive in a doping test, because he allegedly would have drunk a coca leaf tea before the game with Bolívar.

Once finished his ban in April 2005, he joined Chilean freshly champion in the age Unión Española to face the Torneo Clausura where would have to challenge the first-choice post with Jaime Bravo.

The coming season as a first-choice and playing 16 of 19 league games he reached the 2010 Torneo Clausura title, missing the last matchday due to an injury when Argentinos beat Independiente 4–3 with youngster Luis Ojeda in the goal.

On 10 July 2010, Paraguayan side Olimpia through its president Eduardo Delmás confirmed Peric signing after goalie's untying from Argentinos Juniors.

Defending the goal with The Oranges he reached the 2011 Torneo Clausura finals where they were defeated 3–0 by the freshly Copa Sudamericana champions Universidad de Chile at Estadio Nacional after a goalless in Calama.