Mirošević's debut with Catolica ended in a 4–1 win over rivals Colo-Colo at Estadio San Carlos de Apoquindo.

In his time back with Católica he helped the club capture the league title in 2010 and the 2011 Copa Chile.

On 4 January 2012 Mirošević joined Major League Soccer club Columbus Crew on a multi-year deal.

[5] Mirosevic received his first opportunity with the Chile national team under Juvenal Olmos' tenure as manager.

During the 2010 World Cup qualifiers, Marcelo Bielsa called Mirosevic up for the first games against Uruguay and Paraguay, without getting the chance to play.

[6] In April 2022, he left his job at the Universidad Católica to begin his managerial career as the assistant coach of Patricio Ormazábal of Chile U20.