As reported by Sky Deutschland, Chelsea are eyeing up a move for Stuttgart full-back Borna Sosa. The 24-year-old Stuttgart full-back is valued at € 30m. Blues will try to sign him, while the club's attempts to bring back Emerson from his loan with Lyon are stalling. Chelsea are reported to be at the head of the race for the defender, with Inter Milan and Aston Villa also mentioned as potential suitors. and in recent months he had also been observed by As Roma and Ssc Napoli.