Arsenal vs Chelsea: 4 key things to look out for in the London derby

Chelsea FC v Leicester City FC - Premier League
Chelsea FC v Leicester City FC - Premier League | Dan Istitene/GettyImages
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3. Tactical approach and expectations

Maresca’s side has won their last four matches. However, two of those wins came at home against the bottom two teams in the league, while their only away win was in Denmark against Copenhagen in the UEFA Conference League.

Chelsea’s performances have drawn criticism from some fans for being uninspiring. Unlike their recent opponents, Arsenal will pose a much sterner test. The problem is that Chelsea has looked vulnerable every time they faced attacking pressure, which could prove costly against a top side like Arsenal.

However, the potential return of players like Wesley Fofana and Roméo Lavia should provide added control and defensive cover, even if there remains the ever-present risk of Sánchez undoing all their efforts at any moment.

Cole Palmer's poor run of form is another headache for Chelsea. He was the one player who always performed regardless of tactics and was always there to drive the team forward.