Jurgen Klopp is convinced Virgil van Dijk remains the world's best defender despite his mistake in Liverpool's 2-0 loss to Napoli last month.
The Reds' Champions League defence got off to a disappointing start at the San Paolo thanks to late goals from Dries Mertens and Fernando Llorente.
Mertens' opener came from a contentious penalty before Llorente capitalised on a slack piece of play from Van Dijk to seal the win and put pressure on Liverpool ahead of Wednesday's meeting with Salzburg at Anfield.
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Klopp says his faith in the Netherlands star has not at all been shaken by that incident, and he is not ready to panic about their chances of progressing to the knockout phase after only one match.