Sunderland have endured a miserable day in their search for a new manager. It has been over three months since Sunderland sacked Michael Beale and almost three weeks since the season ended. But they still haven’t appointed a new head coach and could well be paying the price for it, with a number of their targets now likely to end up elsewhere. Bo Svensson is their most recent target, but reports have now claimed that he is set to become Union Berlin coach. Danny Rohl is‘close’ to agreeing a new contract at Sheffield Wednesday, while Norwich City have held talks with Will Still. It has always s…