You might not have noticed, but all aspects of Chelsea's defence this season have been...less than ideal. We all know about the struggles of goalkeeper Kepa Arrizabalaga, but it's important to remember that his defence in front of him have been about as useful as a chocolate teapot. From right to left, very few members of the Blues' back line will emerge from this season feeling good. It's been a shambles. There has been very little aerial presence and minimal organisation, and there's even a...