 During his debut campaign he benefited from a serious knee injury to the latter and scored four times in 33 La Liga games; the following years, however, he returned to the bench, but continued to be used regularly even though he also suffered serious knee problems in January 2008.On 4 January 2010, Fuentes was released by Villarreal upon the player's request, signing with Atlas and thus returning to the side after three-and-a-half years.Fuentes played once for Argentina, a friendly against Mexico on 9 March 2005 in which the former only fielded players from the domestic league.