Former Everton forward Oumar Niasse has slammed the current Barcelona boss Ronald Koeman. The striker accused the Dutch of the ill-treating him during his stint at Premier League side, Everton. Oumar Niasse attacks Ronald Koeman for his behaviour A video started floating on social media which shows an interview of the Senegalese strike during his … Continue reading Former Everton striker Oumar Niasse reveals receiving harsh treatment from Ronald Koeman