The increasingly toxic transfer saga dragging him between Newcastle United and Liverpool will have supremely tested Isak’s stoic ambitions. How much self-control was deployed when he took to Instagram on Tuesday evening to declare that “the relationship can’t continue”?

A little-known transfer rule could play into the hands of Alexander Isak and provide him with some much-needed leverage as he attempts to force through a move to Liverpool. The transfer saga of the summer took another bitter turn on Tuesday night,