Career
Rojas ranked number 4 in a list of the most expensive players in Paraguayan football for 2015 published by Diario Extra. Olimpia Asunción
Rojas started his career in the youth divisions of Olimpia and made his way to the first team in 2007. He became a regular starter for the team in 2009 scoring many goals and having great performances as a midfielder.
Due to his good performances for Olimpia he was called up to the national team by Gerardo Martino.
On 11 January 2010, River Plate signed the Paraguayan attacking midfielder on loan from Olimpia. He is a great midfielder with a strong personality and so he was recommended by Martino and Gregorio Perez.
River Plate
While it was only a friendly pre-season match, Boca played with their usual starters. River, however, gave playing time to mostly youth talent along with veteran captain Matias Almeyda.
O"Higgins
After a brief loan spell with Belgian club Beerschot, Rojas signed for mid-level Chilean team O"Higgins, slowly becoming an integral part of the team, being used both as a starter and off the bench in a variety of positions to contribute to the team"s play-making and score several key goals.
As of April 23, 2012, Rojas had 4 goals in 10 matches played (5 of them as a substitute).