Martín Zubimendi had as much time as he wanted against the team forever building for tomorrow. Taking a flick from Viktor Gyökeres in his stride, the Arsenal midfielder danced into the area, weighed up whether to shoot and thought better of it. Instead there was a sauntering move away from Andrey Santos, a feint to throw Wesley Fofana and then, only when Zubimendi had decided he was ready, was there the calm to beat Robert Sánchez and leave Chelsea with a mountain to climb in this Carabao Cup semi-final.

It was swaggering from Zubimendi. In that moment it was Arsenal demonstrating why they are so far ahead of this occasionally thrilling but often baffling Chelsea side, who have faint hope of a turnaround after battling to a defeat that was 3-2 going on 4-0. Mikel Arteta’s side had, after all, done the dirty stuff. The first goal came from a corner, the second from Sánchez’s error, but the third was different. It was silky from Arsenal, the ball pinging between Mikel Merino and Gyökeres before Zubimendi applied the graceful finishing touch, and a reminder that they are top of the Premier League because they perform both sides of the...