Granted, the clash with Arsenal was also a high-profile game and so, as Bruno Fernandes suggested after the draw with Liverpool, the real litmus test will come at home to bottom side Southampton. But United's ability to dig in and their refusal to collapse after conceding an equaliser when down to ten men cannot be ignored.

The third round of the Emirates FA Cup is underway, with the two most successful Premier League in FA Cup history teams battling it out.

Ten-man Manchester United knocked Arsenal out of the FA Cup on penalties after holding their nerve to reach the fourth round. United were down to 10 for over an hour but wasted chances cost Arsenal, as Kai Havertz missed in the shoot-out.