By 90min Staff When Manchester United appointed Ralf Rangnick as interim manager for the final six months of the 2021/22 campaign, it was with the intention of the revered ‘club builder’ steadying the ship and then staying as a consultant once a new permanent boss was chosen. That never happened. Before the end of his time as United boss, Rangnick had already agreed a deal to become new Austria head coach and he made sure that would be his full focus after trying to initiate necessary change in Manchester but failing to be heard. When he first arrived, a brief bounce period saw United lose jus…