When did it become not just clear but utterly unavoidable that Manchester City were winning this game? And not just winning it but offering up the most refined of sporting strangulations?
Perhaps it was the moment on 25 minutes when Rob Holding came skittering out wildly, like a drop of water on a hot pan, as Kevin De Bruyne hared in behind him, a moment of total positional panic, when the game just seemed suddenly to fall apart in the face of that sky blue pressure.
