Chelsea have secured the services of Brighton goalkeeper Robert Sanchez with a seven-year contract.
Chelsea have officially announced that Levi Colwill has signed a new six-year contract with the club, which includes an option for another year.
Chelsea have completed the signing of teenage midfielder Lesley Ugochukwu from Rennes.
Serie A giants Juventus have proposed a swap deal involving Dusan Vlahovic going to Chelsea in exchange for Romelu Lukaku.
Levi Colwill and Chelsea have reportedly reached an agreement for a new long-term contract that will extend for six years.
Chelsea manager Mauricio Pochettino believes it's crucial to sign a new defender after the unfortunate injury to centre-back Wesley Fofana.