Creating a siege mentality has become an important part of a manager's psychological armoury in the modern game - back in the 1980s smaller clubs like Millwall and Wimbledon's Crazy Gang used the mantra 'No-one likes us – we don't care' to bond together and beat richer and stronger rivals.
It worked so successfully that in the Premier League era, even the greatest bosses have adapted the theme to their own means.
Sir Alex Ferguson and Jose Mourinho regularly complained of the world being against them – from media to referees to governing bodies – even though they held the advantage of having the best players and biggest budgets.