The sight of Manchester United's youthful substitutes making their way from the Tottenham Hotspur Stadium tunnel on to the bench on Sunday was a timely reminder of the current situation.

"Youth, Courage, Success" is one of many mottos Manchester United have proudly shouted from the rooftops throughout their history, but the time has come to put it into action again. Chido Obi ...

"Youth, Courage, Success" is one of many mottos Manchester United have proudly shouted from the rooftops throughout their history, but the time has come to put it into action again. Chido Obi became ...