Arsenal × Chelsea · Premier League

Arsenal host Chelsea in the Premier League on Sunday 6 September at 16:30 BST, with the Gunners at home and the Blues making the trip across the city. It is a London derby, the kind of fixture that changes the mood of a whole city long before the ball rolls, because both sets of supporters share the same streets, the same offices and the same Monday arguments.

The Premier League is decided on points rather than by knockout, and the format shapes what is at stake here. There is no second leg and no extra time to put anything right: the title comes out of the accumulation, week after week. What makes a meeting between rivals different is that it counts double, adding on one side while braking the other on the same afternoon. A result like this can look ordinary on the day and weigh a lot once the table is read from the top.

The thread worth following is the usual one in a game like this: the home side will try to set the tempo from the first minutes, pushed on by its own ground, while the visitors wait for the moment to flip the script, either by dropping the lines deeper to attack the space behind the defence or by leaning on set pieces, which is where a tight match tends to crack open. The half time adjustment says the rest: whoever comes back out changing the pressing height, the width or the shape usually decides which way the afternoon goes.