Rio Ferdinand has shared where he would rank Jurgen Klopp amongst the best managers the Premier League has seen after he announced that he will leave Liverpool in the summer. Jurgen Klopp brought the football world to a standstill last week. It was announced that Klopp will leave Liverpool at the end of the current season. Of course, Liverpool fans always knew that Klopp could not carry on forever. But they would have desperately hoped that he would still have a few more years left in him. Rio Ferdinand shares where he puts Jurgen Klopp amongst the Premier League’s greatest managersThe Reds ar…