By Tzvi Machlin In the first 30 years the English Premier League and over 100 years of English soccer before it was formed, there were only two American managers. Today, Jesse Marsch became the third. On Monday, Marsch was officially appointed the manager at Leeds United, becoming the third American manager in history to join the Premier League. The move comes just one day after Leeds parted ways with now-former manager Marcelo Bielsa. “We are delighted to welcome Jesse to the club and excited for him to lead us into this new chapter,” Leeds Director of Football Victor Orta said in a statement…