Arteta said, "Yes for sure, and obviously picking the right players that could bring something that we didn't have to the squad, and they're certainly doing that and improving every single player, and the mechanisms and culture around the team.
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"They are doing that but there's still the most part of the season ahead and we know that that's the case.
"We are trying to improve in every phase of play; they are understanding the chemistry of the players and the desire they have to constantly be better, and improve in every area.
"If you do that, there are moments that you can be as dominant but it's not easy that's for sure."