Marseille fans clashed with riot police on the streets of the port city ahead of their Ligue 1 match against arch-rivals Paris Saint-Germain on Sunday.
Fighting broke out between rival fans during the half-time break of the Romanian Liga II match between ASU Politehnica Timisoara and UTA Arad on Sunday.
Deportivo Alaves and Racing Santander fans clashed in a mass brawl in one of Vitoria's streets on Saturday.
Fans of Paraguayan Olimpia fought amongst themselves in the stands during their home game against Sol de America on Sunday.
Wydad Casablanca fans clashed with cops during their side's Morocco Cup match against RSB Berkane at the Prince Moulay Abdellah Stadium in Rabat on Tuesday.