Jurgen Klopp's move to work for Red Bull's football ownership group has drawn significant criticism among Mainz fans. Andreas Arnold/picture alliance via Getty Images The Mainz great, who went on ...

Jurgen Klopp ... coached Mainz and Borussia Dortmund during a 23-year management career. "I could've signed Son from Tottenham. At that time, he was at Hamburg," said Klopp, speaking at an ...