After succeeding Arsene Wenger as Gunners manager in the summer, Unai Emery endured a tough start with defeats by Manchester City and Chelsea.
But they subsequently embarked on an 11-game winning streak across all competitions that ended with a 2-2 draw at Crystal Palace last weekend.
Wednesday night's Carabao Cup win over Blackpool makes it 13 matches unbeaten for Arsenal, who will therefore be in positive mood when the Reds arrive in north London.
So, what can we expect from the new-look Gunners?
We caught up with the Daily Mirror's chief football writer, John Cross (@johncrossmirror), who has charted Emery's evolution since his arrival at the Emirates, to get the lowdown.