By Simon Mullock It wasn’t quite as brutal as Jose Mourinho calling Arsene Wenger a specialist in failure – but the message Pep Guardiola has sent to Mikel Arteta and Jurgen Klopp is just as damning. The Manchester City boss believes his team’s unrivalled excellence over the last seven seasons means they are judged to a higher standard than rivals like Arsenal and Liverpool. Winning, according to Guardiola, is now seen as the only option for a club that has lifted five Premier League titles in six seasons – while for other managers it is allowed to be the exception. “The only team who is goin…