Chelsea could face a busy January transfer deadline day as potential incomings and outgoings are on the cards for Mauricio Pochettino. The Blues have had a relatively quiet window by their recent standards, making few moves within the squad so far. The west London outfit has gained a reputation for attacking the market aggressively under their new ownership, but that hasn’t been the case this winter. It has come at a time where there has been a slight uptick in form under Pochettino, with European qualification now within their sights. That’s not to say there aren’t some problems within the sq…