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Newcastle boss Eddie Howe hopes Alexander Isak will stay at the club but has admitted his future at St James' Park is uncertain.
Isak has informed Newcastle that he wants to explore his options this summer and is not part of the Magpies squad for their pre-season tour of Singapore, while he is also managing a minor thigh injury.
There has not been an official or formal transfer request to date, and while there have been conversations about a new contract at Newcastle in the last few months, at this stage nothing has been agreed.
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Dharmesh Sheth says Newcastle hold all the cards in the Alexander Isak transfer saga as the striker still has three years left on his contract, but feels they have a big problem on their hands.
The Sweden international has three years remaining on his contract at the club, who have put a £150m valuation on the forward's head.
Sky Sports to show 215 live Premier League games from next season
Watch more Premier League matches on Sky Sports than ever before, with 215 games live from the 2025/26 Premier League season
From next season, Sky Sports' Premier League coverage will increase from 128 matches to at least 215 games exclusively live.
And 80 per cent of all televised Premier League games next season are on Sky Sports.
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