straight to your inbox every day for freeManchester United fans watched Amad Diallo in action for the first time since his move to Old Trafford was announced during Atalanta's defeat against Hellas Verona on Saturday.The MEN understands United agreed to pay £19m up front, with £18.1m in add-ons, for the 18-year-old on deadline day of the summer transfer window.Diallo will move to England in January with United still working on securing a work permit for the youngster.United fans have been forced