CHELSEA have reportedly made an approach to sign Alexander Isak from Newcastle.
But they could be forced to pay a club-record transfer fee for the Swedish striker.
EPAChelsea have approached Newcastle over a club-record move for Alexander Isak[/caption]Chelsea have made no secret of their desire to land a top forward this summer.
The Blues spurned numerous chances last season as Nicolas Jackson netted just 14 times.
Christopher Nkunku also missed most of the campaign through injury.