Chelsea believe that they’ve just completed a super bit of business in the transfer window. The Blues have been quite busy so far this summer with plenty of incomings and outgoings at Stamford Bridge Chelsea have already confirmed the sales of Ian Maatsen, Lewis Hall and Omari Hutchinson. In terms of arrivals, they’ve added Kiernan Dewsbury-Hall, Omari Kellyman, Marc Guiu and Tosin Adarabioyo to the squad. READ MORE: Marc Guiu shares why he decided to join Chelsea from Barcelona this summerChelsea think Marc Guiu is a bargain signingFootball.London claims that Chelsea completed the signing of …