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Sky Sports News' Keith Downie, Lyall Thomas and Mark McAdam answer the key questions around his future.

Why has Isak told Newcastle he wants to explore his options when Liverpool have signed Hugo Ekitike and Arsenal are close to signing Viktor Gyokeres?

Sky Sports News' Keith Downie:

Isak is frustrated that he was denied the opportunity last week when Liverpool made an informal approach.

Sky Sports News' Mark McAdam assesses whether Liverpool could still look to sign Newcastle United striker Alexander Isak, despite having only recently bought Hugo Ekitike.

Would sales need to be made?

Sky Sports News' Mark McAdam:

Quite simply, Liverpool can afford to do a deal for Isak because they are very sensibly and sustainably run by owners FSG and they have been for a number of years.

I spoke with an independent football finance expert who told me Liverpool could spend £500m in this summer's transfer window and still be PSR compliant because they are so well run.

In last summer's window, they only spent £12.5m on Federico Chiesa.

Alexander Isak's top five goals in the Premier League for Newcastle, as he is linked with a move to Liverpool.

Does Isak have any other Premier League options?

Sky Sports News' Lyall Thomas:

It looks unlikely.

Could anyone afford Isak outside of the Premier League?

Sky Sports News' Lyall Thomas:

Newcastle's asking price for Isak is £150m, which eliminates all but a handful of clubs.
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