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Former Liverpool defender Jamie Carragher has voiced two major concerns over Alexander Isak, should he make the switch to Anfield this summer.

Liverpool, long-time admirers of the Swedish striker, saw its opening bid swiftly rejected, with head coach Arne Slot commenting on the situation on Thursday.

Newcastle has made it clear that Isak, who is tied to the club for another three years, is not for sale.

Even so, the forward has continued to push for an exit this summer, claiming that “promises were broken.” Despite the ongoing unrest and the dismissal of its first offer, Liverpool remain strongly linked with a possible move for the 25-year-old before the September 1 deadline.

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"From the moment Isak made his debut against Liverpool at Anfield, he has stood out, but there are concerns" said the pundit.

"Now 25, he is yet to prove he has the durability of Salah.

Alexander Isak is continuing to try and force a move away from Newcastle.

Isak has outgrown Newcastle like Fernando Torres had outgrown Liverpool in the summer of 2010

By the time he left for Chelsea the following January, there was a sense of relief that the saga was finally over.

"Standing firm on Isak now may win a battle, but selling him and signing two strikers will make Newcastle better equipped for a Premier League and Champions League campaign
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