At the final whistle, Manchester City players slumped and crouched and sprawled on the pitch in disconsolate little piles, absorbing the enormity of the evening. Perhaps some of them were doing the maths. City are nine points behind Arsenal with a game in hand. They will meet one another at the Etihad next month. All is not lost. But here at the London Stadium, they wore the look of a team who had just been punched in the gut.
Of all the Arsenal players to shape the direction of this title race, not many would have guessed that a key protagonist would be a 16-year-old schoolboy who is yet to take his GCSEs. Even fewer would have suggested a giant Greek defender who played eight times for Arsenal a lifetime ago.
