United have also been watching, with the English giants very active in the Swedish transfer market this year. Halmstads BK teen Sead Haksabanovic has had trials at United, while interest in Jesper Karlsson has been confirmed by Falkenberg FF.
Chelsea also have a major presence in Sweden and have Joseph Colley and Ali Suljic on the books.
"He is an exceptional talent and extraordinary. Name five of Europe's biggest clubs and there are four who want him. There was a huge interest in the summer with and if he actively wanted to leave AIK, he would already have been sold," agent Patrick Mork told Sport Express.