United twice went behind to goals from Shkodran Mustafi and a Marcos Rojo own goal, but they hit back on both occasions.
"But it's nearly a different Arsenal side now, they're playing better football, they're a more aggressive team and looking at them now they're one of the strongest teams in the league".
"We didn't get much rest obviously in the summer after the World Cup, so coming back there's always going to be little niggles here and there".
Rojo's passing from the left was useful and he hit a good free-kick to lead to United's first goal, but his error for Arsenal's second was awful and he was perhaps lucky only to be booked for a challenge on Matteo Guendouzi.
"This draw yesterday is only good if we win against Huddersfield". We were speaking between us the coaches, and I look at him in every match.
Defender Diogo Dalot added: "We sleep thinking about getting into the top four and we wake thinking about getting into the top four".
"But I think my game can adapt and [I can] get my game together here and settle down".More news: Hear the First Sounds from Mars Straight From NASA’s InSight Lander
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Jose Mourinho, who left Paul Pogba and Romelu Lukaku on the bench before bringing them on in the second half, praised the resilience of his side. But you will not find many betting that the Premier League crown will be in North London or this particular side of Manchester come May.
City have been in this position before, in winning the title last season.
We also have concerns in defence as Rob Holding is facing a spell on the sidelines after he was stretchered off with a serious-looking knee injury on Wednesday night.
"I have been following the Premier League since I can remember, since I first watched football, and to be able to see from the stands for a while and then get on to the pitch, it has all been good experience for me", Dalot said.
"We're very happy with how we're playing and everyone's confident".