Regardless of how the previous season went on the pitch, barely saved by the FA Cup victory, there was one unmitigated success. That was the emergence of the youthful core of the team around which Manchester United can build for years to come. Alejandro Garnacho cemented himself as one of the first names on the teamsheet after breaking through the season before, while Kobbie Mainoo didn’t even need a “breakthrough season”, he became crucial straightaway. Amad finally started coming into his own after multiple loans while Rasmus Hojlund showed glimpses of who he can be after scoring his first l…