By their own lofty standards, Manchester City have not made the start to the season they would have liked.
Pepe Guardiola's side lie 14th in the table after picking up four points from their opening three matches, and losing 5-2 at home to Leicester.
But Mikel Arteta still expects a major test against them - despite coming into the game off the back of a good win before the international break.
"I think it will be a completely different game," he said. "City's approach when they play us will be very different to [Sheffield United's], very different demands for what we have to do with and without the ball as well.
"I am really happy with the way we managed to win the game and how patient we were, and the improvements compared with last year against this type of opposition but again, we know the level of difficulty at Manchester City will be another level.
"They are still producing incredible numbers in everything that they are doing. In my opinion, they have been really unlucky with some of the results they got because they should have put games to bed very early in those games, and then the level of efficiency of the opponents when they had half chances have punished them a lot.
"But I haven't seen any decrease in the level of the way they are playing or in what they are producing game by game. I haven't seen any of that."
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