Alexander Isak has taken his Newcastle United form to the international stage. The 24-year-old is on the back of his best season ever, with Alexander Isak netting 25 goals in all competitions. 21 of those came in the Premier League, with the Newcastle United striker finishing six goals behind golden boot winner Erling Haaland. It was an incredible campaign for Isak, and one that he will hope to replicate in black and white next season after stating his intention to remain at St James’ Park. There has been speculation that he could be sold for PSR reasons, but Isak has no plans to leave Tynesid…