Career
Born in Concepción, Bío-Bío Region, Sanhueza started his career at hometown club Fernández Vial before moving to Everton, where he would spend an entire season. Following three seasons at Valparaíso-based team, in 2005, he signed for Chilean powerhouse after rejecting an offer from Mexico"s Atlante. In December 2006, he was heavily linked with Argentinian giants Boca Juniors which wanted sign him to replace Fernando Gago, who left Boca for Real Madrid.
In 2011 Sanhueza moved to Deportes Iquique, freshly promoted to the top division after failing to join Chinese Super League side Changchun Yatai F.C., being only 20 days in this country.
Following a season and half, in June 2012 he signed for Universidad de Concepción. However, after only six months playing, in December he announced his retirement from football.
On 8 January 2013, Sanhueza reversed his decision to retire and joined Primera B club Deportes Temuco. Club Individual.