British football has been transformed in 20 years ago since Bolton tragedy . Disaster created impetus for all-seater grounds , improvements in infrastructure . LONDON , England ( CNN ) -- Top clubs also benefited from creation of The English Premier League and sale of TV rights . Premier League is now the world 's most watched sporting league .
British football has been transformed in 20 years ago since Bolton tragedy . Disaster created impetus for all-seater grounds , improvements in infrastructure . Top clubs also benefited from creation of The English Premier League and sale of TV rights . Premier League is now the world 's most watched sporting league .