Rival fans clashed in a street fight ahead of an Italian fifth division match between Giulianova and Teramo on Sunday.
Rampla Juniors fans attacked Juventud players and staff on the pitch after the second leg of their Uruguayan second division promotion play-off final on Saturday.
A Paraguayan top-flight match between Cerro Porteno and 2 de Mayo on Sunday was abandoned after violence broke out in the stands.
West Bromwich Albion’s FA Cup clash against Wolverhampton Wanderers on Sunday was suspended after trouble erupted in the stands.
Bordeaux and Nice fans fought in the stands before their French cup match on Saturday.
Dijon fans were attacked by a group of hooligans during their side’s French third division match at Martigues on Friday.
Lazio and Roma fans launched flares at each other inside the Olympic Stadium before their Italian Cup quarter-final tie on Wednesday.
Heidenheim and Freiburg hooligans fought in the street before their Bundesliga game on Wednesday.
Standard Liege fans threw flares and broken seats at Anderlecht fans during Thursday’s cup clash at the Constant Vanden Stock Stadium in Brussels.
Trouble broke out between rival fans during an Italian Serie C match between Casertana and Foggia at the Alberto Pinto stadium in Caserta on Monday.
Olympiacos fans clashed with riot police at the Panthessaliko Stadium during Sunday’s Greek Super League match against Volos.
Legia Warsaw fans clashed with police outside Villa Park in Birmingham before a Europa Conference League fixture against Aston Villa on Thursday.
