Ralf Rangnick has revitalised Manchester United during his short time as interim manager - but the German knows exactly which single moment should be a sign of things to come.
Having watched the victory over Arsenal from the stands, Rangnick has overseen games against Crystal Palace and Champions League opponents Young Boys.
Fred settled the scores with a stunning, right-footed effort when Palace came to town. Mason Greenwood took his chance, meanwhile, when the 63-year-old made 11 changes to his team for a Group F swansong against plucky Swiss opponents - with progression and top-spot confirmed - by producing a sharp finish during that 1-1 draw.
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