Emery's side went into the break 2-1 down against Tottenham but the introduction of Alexandre Lacazette and Aaron Ramsey and some words of wisdom helped turn the game around. "If he plays like [in the north London derby], it's the best for him and the best for us".
"I said yesterday he's had backache since last Tuesday", he said. We don't give up - that's the mentality'. "Nobody accepts it, but I think the police are doing their work".
The Football Association will conduct their own investigation into the incident using CCTV footage, and they will speak to representatives from both clubs on Monday morning, although they are only responsible for punishing clubs not individuals.
However, Xhaka picked up his fifth booking of the season with a foul shortly after half time and will now serve an immediate one-game suspension meaning the Swiss worldwide will now miss Wednesday night's trip to Old Trafford.More news: USA to consider raising tariffs on Chinese cars to 40%: USTR
"What Unai Emery wants to establish in this club is a cultural change". We were speaking between us [the coaches] and I look at him in every match.
"We need to [see] the difference between his future and his present", he said. "We know it will be very hard in Manchester, because of their history and their present, we are going to prepare in the best way possible, to have the best performance against them".
"We have many goals this season".
A supporter was arrested for throwing an object on the pitch during the north London derby between Arsenal and Tottenham.
"Until then the game had been even and then we conceded the third goal in the way we conceded and in that moment it was tough, it was hard to come back again".