Chelsea head coach Liam Rosenior believes Mamadou Sarr has the potential to become a world-class defender after the French-born centre-back re-joined the club from Strasbourg.
Mikel Arteta has offered an apology to Chelsea following claims from Liam Rosenior that Arsenal showed his side a "lack of respect" during warm-ups ahead of Tuesday's Carabao Cup semi-final 2nd leg.
Chelsea's new centre-back Mamadou Sarr has been spotted in first-team training at Cobham ahead of Saturday's Premier League trip to Wolves.
Liam Rosenior has delivered a mix of positive and worrying updates as Chelsea prepared for their Premier League trip to Wolves on Saturday.
Liam Rosenior stood by his tactical approach after Chelsea were knocked out of the Carabao Cup, insisting caution was necessary as his side failed to overturn a 3-2 aggregate deficit against Arsenal.
Arsenal booked their place at Wembley after edging Chelsea 4-2 over two legs in a tense Carabao Cup semi-final, ending a run of four successive last-four exits.