Chelsea are continuing to be active in the Belgian transfer market.Lokeren winger Ayanda Patosi is being watched by Blues football director Michael Emenalo, who has had the 21 year-old South African scouted several times this season.
Ajax are also interested in Patosi, who is rated at €2 million by Lokeren.
Chelsea would seek to sign Patosi and loan him to a Eredivisie partner club, either Vitesse Arnhem or FC Twente, this month.