Which team should I back in this match between Southampton and Manchester City?

[WinJonny]

Southampton has so far dispatched three teams from lesser levels in the Carabao Cup this season.
Southampton will be hoping that their cup victories will give them more self-assurance and help them start to become better in the Premier League. Southampton has defeated three teams from lesser leagues so far in the Carabao Cup this season. After falling behind after only two minutes, victories have come against Cambridge United and at home against Sheffield Wednesday (requiring a penalty shootout) and Lincoln City.

 

[Julio88]

Southampton has so far dispatched three teams from lesser levels in the Carabao Cup this season.
Southampton will be hoping that their cup victories will give them more self-assurance and help them start to become better in the Premier League. Southampton has defeated three teams from lesser leagues so far in the Carabao Cup this season. After falling behind after only two minutes, victories have come against Cambridge United and at home against Sheffield Wednesday (requiring a penalty shootout) and Lincoln City.

I was extremely surprised that Manchester City did not win this match in particular because the difference in quality between the fringe players of City and Southampton is vast, to put it kindkyt