Hertha Berlin ultras clashed with riot police at the Westfalenstadion during Saturday's Bundesliga match with Borussia Dortmund.
Schalke and Eintracht Frankfurt hooligans clashed in the stands following the full-time whistle of their DFB Pokal match on Wednesday.
Borussia M'gladbach hooligans managed to pinch a Köln flag during Köln's away match against Hoffenheim on Saturday.
FC Köln hooligans managed to pinch a flag from Borussia M'gladbach ultras during the half-time break of Sunday's Bundesliga match.
Holstein Kiel hooligans stormed the pitch in an attempt to attack their St. Pauli rivals in 2. Bundesliga match on Tuesday.
A German Cup first round game between Hansa Rostock and Hertha Berlin on Monday night was halted twice due to fan trouble.
Friday's Regionalliga Nordost match between Babelsberg and Energie Cottbus was halted twice because of fan trouble.
A mass brawl erupted on the streets of Berlin on Saturday ahead of the Hertha BSC vs Eintracht Frankfurt Bundesliga clash.
FSV Frankfurt fans clashed with cops at Steigerwaldstadion after their 3. Liga game versus RW Erfurt.
A large group of Eintracht Frankfurt hooligans attacked a bar with Darmstadt fans ahead of their derby match at the Waldstadion on Sunday.
Greuther Fürth and Nürnberg hooligans were involved in a mass street brawl this afternoon after an A-Junioren Bundesliga South match.
Angry Magdeburg fans stormed the pitch during the game.