SoccerRefs show violence a red cardTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoSoccer11/25/2019November 25, 2019Violence against match officials is a problem in German soccer, where referees are often alone on the field. Referees in Berlin and Cologne recently went on strike to protest against attacks on their ranks. https://p.dw.com/p/3TedQAdvertisement