Liverpool scouts were present in the Estadio do Dragao last night as Porto took charge of their Champions League group with a commanding 2-0 win over Maccabi Tev Aviv.
According to the Mirror, they had their eyes firmly on Porto's young midfielder Ruben Neves as the Anfield outfit continue to ramp up their pursuit of the 18-year-old.
Last week, new manager Jurgen Klopp gave his blessing for Liverpool to continue their interest in Neves. He had originally been cited as a potential signing under Brendan Rodgers, but Klopp rates him just as highly as his predecessor.
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Liverpool made an informal approach for Neves last week and they are believed to have received encouragement from the player's representatives. As it stands, the Reds are leading the chase, but Chelsea have also been linked.
The remarkable record that Neves achieved last night sums up exactly why the Premier League's top clubs are considering sizeable transfer bids.
He became the youngest captain in Champions League history at just 18 years and 221 days, taking the record off Rafael van der Vaart, who skippered Ajax against AC Milan aged 20 years and 217 days.
And not only did he wear the armband, but his mature performance in the centre of the midfield made sure it didn't look out of place on his right arm.
This is a teenager managing to take exceptional pressure in his stride and Liverpool's transfer committee have been seriously impressed.
Unsurprisingly, the wonderkid is represented by super-agent Jorge Mendes, who is behind some of the game's biggest stars and, therefore, the biggest transfers. When Neves does move, it will be for big money with the Evening Standard claiming a price tag of £29million is already on his head.