A defender who Manchester United paid a fairly modest fee for in 2018, by Premier League standards, is now thought to be worth more than Manchester City’s Ruben Dias. Despite all of the criticism that has come Erik ten Hag’s way this season, it’s been hard to argue that he hasn’t handed opportunities to young players. Starting from the back, Ten Hag has given opportunities to youngsters Willy Kambwala, Kobbie Mainoo, Omari Forson and Ethan Wheatley. The Dutchman isn’t afraid to use the club’s youth products – a trait well received by any fan base in world football. And particularly in the case…