Chelsea already seem to be working on one transfer ahead of the summer window. The Blues could enter the market for a new central defender after Thiago Silva confirmed that he is leaving the club at the end of the season. Trevoh Chalobah could also be sold for financial reasons, but that would still leave Mauricio Pochettino with Levi Colwill, Axel Disasi, Benoit Badiashile and Wesley Fofana. However, Badiashile and Fofana have had quite a few injury problems since arriving at Chelsea, with the latter yet to even kick a ball this season. The above is why the club may have to bring in a centre-…
