Chelsea have hit the ground running in the transfer market and already have their first signing of the summer in the bag. This is according to Fabrizio Romano, who dropped an exciting transfer update for Blues fans on Thursday night. Chelsea have a big summer ahead of them as they look to improve on last season’s sixth-placed finish in the Premier League. In addition, the Blues have a new manager on board in Enzo Maresca, and they’ll want to ensure he can make the strongest possible start. Over the past week or so, speculation linking Chelsea with Tosin Adarabioyo has intensified massively, to…