Tottenham Hotspur have focused on signing young players in recent transfer windows and may have some potential gems lined up for the summer. Tottenham have been in poor form of late but are really trying to build something for the long-term under Ange Postecoglou. That means signings with real potential are being landed with a view to building a strong Tottenham side for years to come. First-team additions such as Micky van de Ven, Radu Dragusin and Brennan Johnson certainly fit the mould of not being the finished product but could become stars. Tottenham also landed even younger players with …