Derby County are closing in on their sixth signing of the summer. The Rams have already snapped up Jerry Yates, Kayden Jackson, Ben Osborn, Kenzo Goudmijn and Ebou Adams. Derby County desperately need to continue bolstering their squad if they are to avoid immediate relegation next season. After releasing a number of key players over the summer, there has been a big focus on boosting the midfield and attacking positions. Despite already snapping up three new midfielders, it now looks like Paul Warne is set to add a fourth to his list of summer signings. READ MORE: Championship rival now ‘despe…