United's Ander Herrera said: 'Everything is very good and we are going to find our best form very soon.
He was the main reason why Arsenal scored only one goal and why Man United got all three points.
There was no hiding Mourinho's joy, however, at an impressive all-round United display.
Jesse Lingard has come under criticism in recent seasons but made no mistake with either finish, looking like a livewire upfront alongside the likes of Anthony Martial and Romelu Lukau.
United forward Jess Lingard scored two of their goals and Herrera said: 'He is on fire'.
"I think we didn't start well at all at the back and we are guilty of that", Wenger told the BBC.
Afterwards Wenger was asked if he took some satisfaction from the game and he said: 'Yes of course, the spirit of the players, the attitude and quality of our combinations were top class.
"I leave for you the Lukaku situation with Koscielny, I leave for you the Arsenal players on the grass".
Meanwhile, the Red Devils host CSKA Moscow in the Champions League on Tuesday.
"A bit disappointed with his colleague (Laurent) Koscielny, with this kind of reaction.""Arsenal played in some periods amazing attacking football - creating difficulties for us".
And Barton believes Mourinho may have a glimmer of hope, claiming Pogba's tackle was not malicious and that Bellerin was also at fault for his 'unorthodox' defensive position.
The Spaniard single-handedly kept the Gunners at bay with 14 saves at the Emirates, a joint-record in the Premier League since records began.
Wenger opted to bring on Alex Iwobi when Shkodran Mustafi came off after the second goal and the German had ample time to make a backpass to the keeper or clear it upfield.
"He is the best No 10 in the world".
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