The pre-match protest organised by the 1958 Group was greater in numbers than most predictions and that energy only served to rev up the atmosphere at Old Trafford on Sunday teatime.
Ruben Amorim's tactics were a slight compromise on one or two of his principles, but the deeper defence allowed United to contain and control Arsenal before Bruno Fernandes served up another set-piece special.
A draw that felt almost like a win, then, and with "La Real" coming to Manchester on Thursday, we're hoping for more of the same in the biggest match of the season so far.
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Protests energise Old Trafford for Arsenal draw | Talk of the Devils: The Athletic FC's Manchester United show podcast - Listen or read transcript on Metacast