Now with Premier League and Champions League titles to his name, Robertson is the best at his position, according to former left-back Enrique.
Asked if he is surprised how well Robertson has settled into the Liverpool team, Enrique told Sky Sports News: "He has surprised everyone. When he arrived at Liverpool it was hard in a big club after coming from Hull City.
"Alberto Moreno was starting ahead of him but for me, he has been the best left-back in the world for the last few years.
I know everyone talks about [Alphonso] Davies from Bayern Munich, but if you talk about consistency and level of performance, this guy is unbelievable.