As the goals piled up and a ninth straight win began to look increasingly secure, a chant of "We've got our Arsenal back" boomed out from the away end at Craven Cottage.
"Everything is first thought "go forward, get the ball into the box" and second thought is going backwards". "We've started doing it recently this season so it will help us adjust to that in our training session'".
Emery will be hopeful that Ozil is fit to return to action when his squad reunite following the upcoming worldwide break, where the Gunners will look to make it 10 wins in a row in all competitions. Yet Arsenal, after those painful last few years under Wenger, seems to be a force once more.
Twitter user @aloe_vjera posted a series of statistics showing the difference between Arsenal when Torreira is and isn't playing.
Emery relies on intense training sessions and video footage that can improve his players and find weaknesses in opponents. And as a team, he is always talking to us, having a lot of meetings after training and even before matches'.
"Sooner or later they will be on the end of a big score - defensively they are all over the place", he said.
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The in-form Lacazette restored the visitor's lead, four minutes into the second half, before Ramsey flicked home arsenal's third in the 67th minute, 38 seconds after coming off the bench, before a double from Pierre-Emerick Aubameyang made it 5-1, in favour of the gunners.
The Uruguay global is a hard worker with quality on the ball who offers great protection to the defence, and also allows Granit Xhaka to occupy more of a ball-playing role than previously, with his work rate and positioning not exactly the best aspect of his game.
It hasn't been a seamless transition under Emery - the defense is still a work in progress - but Arsenal's ability to switch from one competition to the next, often with very different lineups and formations, and still get the victories is a triumph for the Spanish coach and the approach he is trying to install.
The Uruguayan midfielder really does look like the missing piece of the puzzle in Arsenal's midfield.
For too many years, Arsenal's attacking midfielders were held back by a lack of defensive support surrounding them.