Arsenal v Chelsea: Carabao Cup semi-final, second leg – live

Half-time email: “The discussion of tachles reminds of another concept that has exemplified some of the best sides and managers in football,” writes Kári Tulinius. “Aristotle considered the most important virtue to be ‘megalopsychia’, which could be glossed as ‘being great and knowing that you are’. The best teams have so much iron self-belief, that they never think they’re beaten, and exude such confidence that their opponents start doubting themselves.