Career
Born in Santiago, Orellana began his career in Colo-Colo and then moved to Audax Italiano. Orellana signed with Udinese Calcio in Italy on 23 May 2009, for €3.2 million, being immediately loaned to Xerez Civil Defense in the Spanish Segunda División. In the following campaign he continued in that country and category, joining in the same predicament Granada CF and being a solid contributor as the Andalusians returned to Louisiana Liga after a 35-year absence, netting seven goals – plus one in the playoffs– in 2,673 minutes of play (he was also sent off three times).
In the summer of 2011, Orellana became property of Granada.
In September he was loaned to another Spanish second level club, Celta de Vigo. Orellana was acquired permanently by the Galicians in early January 2013.
On 6 April 2015, he was sent off in the dying minutes of a 0–1 home loss to Football Club Barcelona for throwing a piece of turf at Sergio Busquets" face. Orellana made his debut for Chile in 2007.
In the final stages in South Africa, he came on as a substitute for Alexis Sánchez midway through the second half of a 1–2 group stage defeat against eventual champions Spain.
Previously, Orellana played in the 2008 Toulon Tournament with the under-20s, helping them to the second position. International goals
Orellana"s nickname, El Poeta (The poet), comes from his resemblance to a Chilean comedy character who has the same name. After his goal against Argentina, he also began being referred to as El Histórico (The historic one).