In the first game there's always that uncertainty about how you're going to react, especially against a difficult opponent, Arteta said. We scored two, kept a clean sheet.
Bukayo had an unbelievable action to make the score 2-0, said Arteta. With good players it's like that. With [Lionel] Messi, I know he's going to come in and do that, but you can't stop him.
With good players it is like that, said Arteta. With Messi, I know he is going to come here and put the ball there.