Derby County look to be readying themselves for a big summer in the upcoming transfer window. Derby County under Paul Warne are returning to the Championship after securing automatic promotion from League One this season. But the Rams will be right up against it next season with the second tier becoming increasingly difficult to stay in, and break out of too. Birmingham City were relegated with 50 points this season and so Warne will know that he needs to add quality to his Derby ranks this summer. Here’s all the latest Derby County transfer news and rumours… READ MORE: What happened to Joe Ha…