Chelsea have made a £40m offer for Paris St Germain centre-back Presnel Kimpembe and are back in talks with Sevilla over Jules Kounde, who is a target for Barcelona too.
Thomas Tuchel is aiming to bolster his defence this summer and has turned his attentions to the French centre-back after securing the signing of Kalidou Koulibaly from Napoli.
PSG are believed to be willing to sell Kimpembe for somehwere in the region of £42milion.
Juventus are also in discussions with the Ligue 1 champions over a move for the 26-year-old, who has 28 caps for France.