Ruud Van Nistelrooy has begun life as Manchester United’s interim manager with a 5-2 win over Leicester City at Old Trafford in the Carabao Cup. Erik ten Hag was sacked by Manchester United on Monday morning with the Red Devils closing in on the appointment of Ruben Amorim from Sporting Lisbon to replace the Dutchman. As the negotiations continue for Amorim, Ruud Van Nistelrooy took charge of the Red Devils during the Carabao Cup clash and goals were flying in for the club in the cup competition. Here are five things we learned from United’s 5-2 victory over Leicester. Manchester United find t…