Goias and Vila Nova fans clashed on the terraces at the Serra Dourada Stadium in the central Brazilian city of Goiania following their Serie B match on Saturday.
Club America and Pumas fans clashed on the pitch during a friendly in Santa Ana, California, on Sunday afternoon (local time).
An Ukrainian Amateur League final between Metalist 1925 Kharkiv and Ahrobiznes Volochysk was abandoned on Monday due to a pitch invasion and fighting in the stands.
Ruch Chorzów hooligans briefly blocked a major highway in Katowice on Friday evening to burn a giant GKS Katowice flag.
The second-half of Thursday’s Eredivisie promotion/relegation play-off match between MVV and Roda was delayed due to fan trouble.
Feyenoord fans went on the rampage in the streets of Rotterdam on Sunday after the side’s defeat at Excelsior.
PAOK and AEK hooligans clashed at the Panthessaliko Stadium ahead of their sides’ Greek Cup final on Saturday.
Friday’s German regional league match between Babelsberg and Energie Cottbus was halted twice because of fan trouble.
Penarol and Palmeiras fans clashed at the Campeon del Siglo stadium in Montevideo at the end of their Copa Libertadores game on Wednesday night.
Sunday’s Ligue 1 game between Saint-Etienne and Stade Rennais was interrupted after local fans broke into the stadium where the match was being played behind closed doors.
APOEL Nicosia fans clashed with riot police at Tsirion Stadium during their Cypriot Cup quarter-final match against AEL Limassol on Wednesday.
Bayern Munich fans were attacked by Spanish riot police at the Santiago Bernabeu during their Champions League match against Real Madrid on Tuesday night.