The sea change began inside the first four minutes. Manchester United won two corners and forced the first error on Crystal Palace inside their own third.
Then in the sixth minute, Scott McTominay's committed interception truly turned the tide. Five United players were in Palace's third and Marc Guehi kept his distance as McTominay slid in, eliciting a roar to usher in the new era at Old Trafford.
United have been ahead at the interval in five games this season but the goalless first-half against Palace was their most accomplished and sophisticated first 45 minutes of the season.
Palace were thrown by the 4-2-2-2 formation and appeared to have prepared for a different United. This was the same team that beat Arsenal three days earlier
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