Sporting CP are re-adjusting their price for Nuno Mendes.
Record says Liverpool are one of several clubs looking at possibly signing the talented full-back.
The report states that Manchester United, Man City, Barcelona, Real Madrid, AC Milan and Juventus are also interested in the 19-year-old.
It has also been claimed that Sporting's asking price has been lowered by as much as €20m.
Sporting were previously holding out for Mendes' €70m release clause, the report says, but will now accept an offer of around €50m.
