Newcastle United is expecting Liverpool to make a formal move for Alexander Isak after a deal was struck with Bayern Munich for the transfer of winger Luis Diaz

In recent days, it has been reported in the national press that Liverpool are willing to make a British record transfer offer to sign the Sweden international. And Collymore, who played for the Reds between 1995 and 1997, believes it is only a matter of time before Isak makes the move to Anfield.