Pep Guardiola's four seasons as FC Barcelona's first-team coach will be remembered as one of the greatest ever eras in club football. Not only did Guardiola's team win an astonishing fourteen titles in those four seasons, but Barca's brand of possession-based football which came to be known as tiki-taka was widely regarded to be among the most attractive styles of football ever seen. The outstanding player of the team was undoubtedly the astonishingly talented Leo Messi and he was supported superbly by other star players such as Xavi Hernandez, Andres Iniesta, Carles Puyol, Victor Valdes,...