Arsenal triumphed over the magpies in a four nil victory away from home as the Gunners seem to be regaining momemtum.
Tierney opened the scoring in the 23rd minute with a beautiful worked goal.
Saka followed up in the 28th minute – a goal that saw him pouncing on a cross from Smith Rowe.
Lacazette netted twice in the second half to put the game to bed.
Watch full highlight of the game below: