Ruud van Nistelrooy might have had only four games in charge of Manchester United, but it couldn’t have gone any better for the Dutchman. Of course, on paper, there was one draw but considering the circumstances in which he took over the team, what he has done in just four games is remarkable. He has revived the careers of players like Manuel Ugarte, who couldn’t get a look in under Erik ten Hag. Instilled confidence in someone like Matthijs de Ligt, who was struggling, and Amad has come in from the cold to be the key man in attack. Most importantly, he has set up a good foundation for Ruben A…