Derby defensive woes 'need solving, and fast'

[BBC]Derby have not started the same back four in successive games since 29 August, where they opted to play the same defence that lined up against Cardiff City in their 2-2 draw the week before.Most teams that are successful in the Championship often prioritise building from the back, making themselves hard to score against and hard to beat.To do that you often have to have a settled back line who understand each other and therefore can communicate more effectively, cover for each other better