DC United have signed midfielder Cristian Castillo, a member of the Salvadoran national team, on-loan from Leon. "We are excited to acquire a young player like Cristian, who we feel is one of the most talented players in El Salvador," United General Manager Dave Kasper said in a statement released by the team. "He has performed well at the club level and certainly established himself as one of the most important players on the national team in the recent World Cup qualifying campaign. Cristian has excellent speed and technical ability, and will be an exciting addition to our midfield."