Chelsea are keen to sign versatile Anderlecht defender Sefa Isci, who is also wanted by Portuguese giants Benfica. Jose Mourinho wants to sign the 18-year-old before sending him out on loan to the Blues' Dutch partner-club Vitesse.
Isci can play as a right-back or in central defence and is tipped to have a bright future in the game after impressing in the Youth Champions League. Chelsea are believed to be in pole position to sign the teenager, although Benfica will provide stiff competition.
"Benfica and Chelsea are interested in Sefa Isci," the youngster's agent, Saffet Balkan, is quoted by the Daily Star as telling Turkish Football. "Chelsea want Isci to loan to their partner club Vitesse.
"Benfica made an enquiry for Sefa after his performances against them in the Youth Champions League.
"Benfica were impressed with Sefa's performances in the Youth Champions League and the Viareggio Cup."
Chelsea have previously done business with Anderlecht, having signed powerful striker Romelu Lukaku from the Belgian outfit three years ago, while many of the Blues' young starlets end up at Vitesse before returning to their parent club.
Isci would follow the same path in the hope that he will return to Stamford Bridge ready to compete with the likes of Kurt Zouma, Gary Cahill and Tomas Kalas for a place in the first team.
Mourinho has already secured a £32m deal for Atletico Madrid striker Diego Costa this summer, while former Arsenal midfielder Cesc Fabregas is expected to complete a stunning £30m transfer from Barcelona.