When Manchester United announced the departure of Raphael Varane last week, it acted as confirmation for one of the worst-kept secrets in the transfer market. Everyone knows the Premier League giants want central defenders this summer. And Varane’s exit – his contract expires in July – felt like the first domino to fall in what is expected to be an overdue overhaul of the club’s backline. If reports are to be believed, Jarrad Branthwaite of Everton is target number one. Manchester United will allegedly offer around £55 million. Phenomenal in the air and pretty good with the ball at his feet to…