Valladares made his professional debut for Municipal Valencia on 6 August 2004 against Real España[1] before joining Real España himself after the 2005 Apertura.
In November 2009, he went on a trial with Tottenham Hotspur after being recommended by Wilson Palacios.
[2] In 2010, he moved abroad to play for Mexican second division side Guerreros[3] and left them in summer 2011 for Dorados.
[5] Valladares made his debut for Honduras in a March 2007 friendly match against El Salvador and has, as of March 2013, earned a total of 14 caps, scoring 2 goals.
[7] His most recent international was an April 2010 friendly match against Venezuela.