Southampton have joined the interest for AIK striker Alexander Isak.

It was claimed earlier this week that Bayern Munich, Barcelona and Real Madrid have all been following the youngster's progress at AIK.

And Saints how now shown their interest, with Calciomercato.com claiming they and Italian giants Juventus are watching the player.

Isak has scored six goals in 18 games in Sweden's top flight and newspaper Aftonbladet earlier this week claimed scouts had been spotted at their AIK matches.