Manchester United’s biggest coup of the summer is still the deal to bring Leny Yoro to the club from Lille. The excitement of the Leny Yoro deal was soon punctured by the centre-back suffering an injury in his second pre-season game. Yoro faces three months out, after undergoing surgery on a fractured metatarsal, a major blow, but the defender will be worth waiting for. The Frenchman is regarded as the most exciting defensive prospect in European football, with United seeing off serious competition for his signature. READ MORE: Manchester United confirmed signings, transfers in, out, loan exit…