Chelsea complete £58m capture of Romeo Lavia

Chelsea have completed the signing of midfielder Romeo Lavia from Southampton for a reported £53million, rising to £58m, taking their total number of first-team acquisitions this summer to eight.

The 19-year-old, who has played just 29 times in the Premier League, has signed a seven-year deal having made clear earlier this week his desire to move to Stamford Bridge over Liverpool, who also had a bid accepted.

The club has now spent more than £350m during this transfer window once performance-related add-ons are taken into account, though that has been significantly offset by fees received for player sales.

Lavia told the club's website: "I can't wait to meet all my new team-mates and build a chemistry together to achieve great things together."

Lavia, who made his Belgium debut in a friendly win against Germany in March, will likely compete with Enzo Fernandez and fellow new-signing Moises Caicedo - the two most expensive players in English transfer history - for a starting place in Mauricio Pochettino's midfield.

Chelsea broke that record for the second time in eight months on Monday with the capture of Caicedo from Brighton for an initial £100m, possibly rising to £115, eclipsing the £106m they paid Benfica for Fernandez in January.

Co-sporting directors Laurence Stewart and Paul Winstanley said: "We are very pleased to welcome Romeo to Chelsea.

"He demonstrated his quality in the Premier League last season at Southampton, showing maturity despite his young age, and is a player we have monitored for some time."

Newcastle have reached agreement with Chelsea over a deal for teenage defender Lewis Hall. It is understood that talks over the 18-year-old's move to Tyneside have reached a successful conclusion and that he will become