Frank de Boer is the worst manager in Premier League history – Mourinho Play

Frank de Boer is the worst manager in Premier League history – Mourinho

Jose Mourinho brutally digs out the worst manager in Premier League history Frank de Boer over his comments regarding Marcus Rashford. The former Crystal Palace boss, who didn and amp;#39;t win a game during his brief spell at Crystal Palace, had said the England international would be better working under a different coach. Mar 12, 2018