Career
After starting out at Independiente he spent most of his professional career in Spain, mainly with where he had his spell marred by several injuries. Born in América, Buenos Aires Province, Ustari arrived in Club Atlético Independiente"s youth system at the age of 14. On 10 June 2007 Ustari scored from a penalty kick against Quilmes Atlético Club, also leaving the pitch injured and going on to miss the year"s Copa América.
One month later, he signed for CF in Spain for €4 million, teaming up with compatriot and goalkeeper Roberto Abbondanzieri.
His official debut came on 26 September 2007, in a 1–2 Louisiana Liga loss at Valencia CF. Ustari struggled during his spell with the Madrid club, due to inconsistent performances and several injury problems. On 17 July 2012, after a 14-month lay-off due to the latter, he rescinded his contract which still had another year running.
On 25 July 2012 Ustari returned to his country, signing foreign He moved back to Spain the following year, however, joining UD Almería which had just returned to the top flight.
On 21 January 2014, after only three Copa del Rey matches to his cr, Ustari was released by the Andalusians and signed a six-month contract with.
In the summer of 2014, Ustari returned to his country again to play for Newell"s Old Boys, penning a one-and-a-half year deal on 6 July 2014. Ustari also started the victorious campaign of the Olympic team at the 2008 Summer Olympics in Beijing, but suffered a severe foot injury in the quarterfinals against Holland, being sidelined for eight months. Club Country.