When Alexander Isak was promoted to the AIK first team at the age of 16, one of his coaches made a telling request.

"I said to him 'Hey Alex ... I took you to the first team here, so when you go to Real Madrid or another big club, you'll take me with you,'" Peter Wennberg, who coached Isak at both youth and senior levels during his time in Sweden, told ESPN.

Almost a decade on, Wennberg's tongue-in-cheek demand appears prophetic, although it is Premier League champions Liverpool -- not Madrid -- who have secured Isak's signature for a British-record £125m transfer fee.

It has been the transfer saga of the summer, with Isak essentially forcing his way out of former club Newcastle United after claiming "promises had been broken" by senior figures at St. James' Park. Such claims

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