Career
He began his football career at Huracán de Tres Arroyos of the second tier of his country, in where scored 3 goals in 24 appearances during one season, in where also earned the Primera B title. After a regular pass Racing, in where failed to score goals in six games, he joined to Talleres de Córdoba. After two successful seasons at the club of Viña del March, in where scored 13 goals in 29 games, on 2 June 2009, was sold to Colo-Colo for a United States$1.2 transfer fee, club that lost the final with Everton in the 2008 Apertura Tournament.
He earned his first title with Colo-Colo, the Clausura Tournament, in where he netted 11 goals in 16 games.
In the next year, Miralles was the key player of his club in a regular 2010 season, scoring thirteen goals in 22 appearances, in a season in which the team had two coaches Hugo Tocalli and Diego Cagna. In the next season, Miralles had a regular performance in the 2011 season, but was the team"s goalscorer with eight just one goal over Esteban Paredes that had six goals.
On 21 May 2011, Colo-Colo accepted a United States$2.4 million bid to the Brazilian Série A club Grêmio, being confirmed that he joined to the club of Porto Alegre when the Apertura ends. After his successful incorporation to Grêmio, Miralles debuted for the seventh week of the 2011 Campeonato Brasileiro Série A in a 2–2 home draw with Avaí and his first goal came on 27 July against America (MG), in a 1–1 draw.
Because his lack of opportunities, he expressed that would leave the club at the end of season.
On 6 July 2012, Miralles signed for Santos Football Club, after a swap for Elano. Despite being a regular in Santos" squad, he left the club a year later, joining Atlante.