Manchester United are likely to be busy in the summer transfer window in wake of another difficult season for the Red Devils. There’s a good chance the Manchester United hierarchy and manager – whoever he may be – will work to bolster their defence in the coming months. At centre-back Raphael Varane and Jonny Evans will be out of contract soon, while Victor Lindelof’s future at Old Trafford is also uncertain. Manchester United could also do with a new left-back, with Tyrell Malacia out for most of the season and Luke Shaw being restricted to just 15 outings. With that in mind, The Sun has now …