If you are a parent, should you be worried that you might have a teenage Ultra living upstairs?

The Athletic is attending some of the most ferocious derbies across Europe, charting the history of the continent’s most deep-rooted and volatile rivalries. The series began last season, covering 10 ...

Chelsea fans have been advised not to wear Chelsea shirts in Poland for their Conference League clash with Legia Warsaw, amid fears of trouble. Thursday’s quarter-final first leg has been identified ...

The Polish Ekstraklasa is the most competitive league in European football and attendances are reaching record highs ...