MANCHESTER UNITED are in for a massive summer of transfer business at Old Trafford!Barcelona have now CONFIRMED a deal to sign Marcus Rashford on loan with a £26MILLION obligation to buy.On the incomings, Bryan Mbeumo’s £71m move from Brentford to Old Trafford has been ANNOUNCED ahead of United’s pre-season tour.And the Red Devils are reportedly set to make a shock bid for Aston Villa keeper Emi Martinez.SUN VEGAS WELCOME OFFER: GET £50 BONUS WHEN YOU JOINFollow ALL of the latest news, rumours and updates from Old Trafford below…