With less than two weeks to go until the Championship campaign is up and running, Derby County are still pushing hard to bolster their ranks in the transfer market. The Rams are set to return to the second tier after earning promotion from League One last season under Paul Warne. The Derby boss has had little time to celebrate though as preparations have had to come quickly surrounding changes to the squad. An increase in quality and a general reduction of the age profile was in order, something that has largely happened so far. However, there are still some key areas that require attention be…