Newcastle have been told to increase their offer for Atlanta United playmaker Miguel Almiron by the player's agent Daniel Campos after they made a reported bid of £8m.
The Paraguayan midfielder has been linked with a move to the north east for several months yet he will not be allowed to leave by Atlanta unless their valuation of £25m is reached.
Magpies manager Rafael Benitez is thought to be seeking a player who can feature primarily behind the striker with Almiron fitting the bill.
Speaking to ABC Cardinal in Paraguay as quoted by the Daily Mail, the 24-year-old's agent Campos revealed the latest surrounding the possibility of a move in January, stating: "With Newcastle, I spoke about the player's salary, but the club needs to raise their offer with Atlanta if they want to get the player.