Chelsea scouts were in attendance this week at a Champions League group stage match to cast their eye over a central defender. Chelsea are back in European competition this season, although it’s only the Conference League tournament not the Champions League. Incidentally, Enzo Maresca’s side kickstart the group phase of Europe’s third tier competition at home to Gent on Thursday night. It’s interesting that the Blues are linked in the transfer rumour mill with another defender because they’ve got a pretty deep squad already. In terms of the centre-back options, Levi Colwill and Wesley Fofana h…