Jurgen Klopp has reportedly 'underlined' the names of two Benfica players to watch out for ahead of Liverpool's Champions League quarterfinal first leg in Lisbon on Tuesday evening.
That is the claim of Portuguese paper Record, who say they have spoken with what they describe as an English football consultant who requested anonymity.
Having dumped in-form Ajax out of the competition in the Round of 16, Liverpool will be wary of the threat that the Eagles represent in their own stadium with Klopp said to be paying particular attention to Rafa Silva and Darwin Nunez.
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According to the source, Klopp is believed to have referred to the Benfica team as "Collectively, very good. It's well organised and also has good, skilful and creative players".
The Portuguese Giants, who won back-to-back European Cups in 1961 and 1962, also have Premier League experience in their squad, in the shape of defenders Nicolas Otamendi and Jan Vertonghen.
“Experience is always important in the Champions League and they know the Premier League very well,” the source added.
Uruguay international Nunez has been linked with a move to Anfield in the summer. The 22-year-old is one of the hottest properties in European football right now, having scored 25 goals in 31 appearances for Benfica this season and it was he who scored the vital goal in Amsterdam that did for Ajax in the last round.