Newcastle expects Benjamin Sesko to answer whether he would like to join them within 48 hours, Talksport understands.
The magpies are confident that you can achieve an agreement with RB Leipzig, but do not want the Saga to put on.

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Despite the Toon, a club record offer for the 22-year-old, who was rejected by the Bundesliga team over the weekend.
The Eddie Howe side submitted an offer of £ 75 million (£ 65 million) plus € 5 million (€ 4.3 million) in add-ons.
Leipzig finally switched back the offer because they issue at least one initial fee of 70 million GBP and a future sales clause.
It is the same price as Leipzig, which previously quoted arsenal in the window.
As a result, the Gunners turned their attention to the signing of Viktor Gyokokeres after sports director Andrea Berta could not reduce the price.
Sesko has already announced his Leipzig teammate that he is expecting this summer.
He scored 21 goals in all competitions last season to bring his Leipzig -Tally in 87 games in all competitions to 39 strikes in his first two years.
Manchester United is still in the mix for Sesco, with Leipzig waiting for a formal offer for the Slovenia national player.
The head of the Red Devils, Ruben Amorim, identified the youngster as a main goal in which he and Bryan Mbumo and Matheus Cunha were able to address the new attack by United.
As already reported on Saturday of Talksport, United was willing to offer Rasmus Hojlund as a sweetener for Land Sesko.

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However, the Dane doesn’t want to move because he wants to fight for his career at United.
However, it is believed that United is willing to pay Hojlund and would prepare to accept offers of 30 million GBP – 42 million GBP less than what they paid for him in 2023 from Atalanta.
Does Benjamin Sesko influence the future of Alexander Isak?
If Newcastle can sign Sesko signing, it is assumed that they are more open to the sale of Alexander Isak to Liverpool.
The Champions had rejected an offer of more than 110 million GBP for Isak last week.
But they are still interested in signing it, and the Swedish internationals openly for a potential move to Angeld.
Talksport understands that Newcastle Isak is worth around £ 150 million – only three years after signing it for 63 million GBP from Real Sociedad.