Marc Casado came through the ranks at Barcelona and as a result, he realises what it takes to play for them. Casado has become a regular starter at his boyhood club under Hansi Flick this season as well. Pep Guardiola possesses plenty of stalwarts within his ranks who are perhaps best-equipped out of most other players in Europe to play for Barcelona. While Guardiola’s tactics change from season to season and even based on the opposition, his principles remain inspired by Johan Cruyff’s approach to football. As a result, the footballing education that the players have received under Pep Guardi…