“When Andy Robertson joined Liverpool we had a talk and I told him he was sat there because of his offensive skills,” Klopp told journalist Graham Hunter, on his The Big Interview podcast.
“I told him, ‘you are quick, a good footballer, a good crosser, but you have to work on your defensive skills’.
“That’s why there weren’t 500 clubs out there asking about him. People weren’t saying, ‘wow, Andy Robertson: fantastic business’.
“But then Andy came in and said, ‘boss, what can I improve?’, and I told him that I was a little bit disappointed, because I’d told him what to improve in the first conversation we had.
“I said, ‘I can’t see a big improvement, you are lost because you have no confidence, even your crosses, so that’s the situation’