Ralf Rangnick is dealing with a problem at Manchester United never faced by his most famous predecessor Sir Alex Ferguson.
That’s the view of ex-Red Devils striker Dimitar Berbatov, who says any training ground resentment must be stamped out quickly.
Rangnick was hired as United’s interim boss at the end of last year, tasked with seeing United through a transition period following Ole Gunnar Solskjaer's dismissal.