Klopps side also came close to beating Manchester City to the Premier League title, finishing just a single point behind their rivals.
And Carragher, who watched Liverpools Champions League victory at the Wanda Metropolitano, claims that Ferguson had previously admitted to him that Klopp was the man to bring success back to Anfield.
I can recall the moment when I became genuinely excited about what Jurgen Klopp would bring to Liverpool, Carragher wrote in his column for the Sunday Telegraph.
The true endorsement came on a visit to Old Trafford a couple of years ago.
I was invited to play in Michael Carricks testimonial [in June 2017] and had the chance to speak to Sir Alex Ferguson.