Chelsea want to assess Armando Broja before sending him out on loan against next season.
The Albania international scored nine goals in 38 games on loan at Southampton last season.
Saints are keen to sign Broja again, but they are not alone.
West Ham United and Newcastle have both been linked with the 20-year-old.
Sky Sports claims that Chelsea boss Thomas Tuchel wants to assess Broja before sanctioning a loan.
The Blues are short of options up front after Romelu Lukaku's move to Inter Milan.