The Premier League season is only just approaching the half-way mark, but the weekend’s fixtures seemed to crystallise the themes that will define its second half: Arsenal’s momentum appears unstoppable as they skipped out to an eight-point lead following a win over Tottenham, while defending champions Manchester City have real questions to answer following a loss to cross-town rivals United, whose foundations appear as solid as at any point over the past decade.

The Guardian’s Jonathan Wilson joins the programme for the first time to make sense of it all!