Dortmund value defender Mats Hummels at £35million . Manchester United could take advantage of sea of change at United Jurgen Klopp is leaving Dortmund and host of stars are expected to follow . Man Utd also identify Ilkay Gundogan as replacement for Michael Carrick . Man United fan provides Louis van Gaal with £300m transfer wish list .
Dortmund value defender Mats Hummels at £35million . Manchester United could take advantage of sea of change at Dortmund . Jurgen Klopp is leaving Dortmund and host of stars are expected to follow . Man Utd also identify Ilkay Gundogan as replacement for Michael Carrick . Man United fan provides Louis van Gaal with £300m transfer wish list .