Arsenal's day at the Etihad Stadium turned from bad to worse after Granit Xhaka was sent off in the first half against Manchester City.
The Gunners were already trailing 2-0 against the Premier League champions when Xhaka was dismissed 10 minutes before half-time.
With Mikel Arteta's side having lost their opening two games of the season, it is shaping up to be a tough campaign for Arsenal.
What happened?
Goals from Ilkay Gundogan and Ferran Torres had already put City firmly in control before Xhaka lunged in with a two-footed challenge on Joao Cancelo.
Xhaka was shown a straight red card and it is the fourth time he has been dismissed in the Premier League since the start of the 2016-17 season.