MANCHESTER UNITED are in for an absolutely massive summer of transfer business at Old Trafford!And the club are weighing up moves for either Aston Villa striker Watkins or Leipzig’s Slovenian front man Benjamin Sesko as Ruben Amorim looks to bolster his striking options.Meanwhile, Man Utd have completed the signing of talented youngster Harley Emsden James from Southampton.Elsewhere, the Red Devils have made a £35million bid for Sporting midfielder Morten Hjulmand, but the Portuguese giants are said to be holding out for at least £43.4m.In other news, United are keeping tabs on PSG goalkeeper Gianluigi Donnarumma.SUN VEGAS WELCOME OFFER: GET £50 BONUS WHEN YOU JOINFollow ALL of the latest news, rumours and updates from Old Trafford below…