The sight of their team’s spectacular capitulation at Anfield will have brought back traumatic memories for Manchester United fans.
Suddenly they were transported back to Brentford in mid-August and the early, uncertain days of Erik ten Hag’s time as manager.
Just like at Liverpool on Sunday, it felt as though Brentford would score every time they got over the halfway line as they raced into a 4-0 half-time lead and United supporters watched the debacle unfold through their fingers.
Just like at Liverpool, United disintegrated before their eyes and seemed powerless to stop the carnage around them.