 By early 2010, Delgado was named for Millonarios FC to be the second goalkeeper, but because of the bad work of one goalkeeper of the Bogota club, Juan Obelar, received the opportunity and he stayed with the job demonstrating great condition and earning the affection of the fans albiazul.Game after game was the figure of the court in a way sorprendente so much so that critics considered him one of the best goalkeepers in the local championship  and postulated to be summoned to the Colombian national team.With the arrival of Nelson Ramos in 2011 the ambassador team, Delgado was relegated to backup job without this decimated their effort and commitment to the club.