David Luiz has returned to former club Chelsea from PSG for a fee believed to be £30mRead the full story ›
Newcastle have bolstered their attacking options by securing the services of Christan Atsu on a season-long loan deal.
The Ghanaian winger spent last season on loan at Bournemouth and Malaga, where he featured in 10 La Liga fixtures.
The 24 year-old becomes the 38th player on Chelsea's books currently out on loan, and will hope to help the Magpies win promotion to the Premier League this season.
Everton have wrapped up a season-long loan deal for West Ham forward Enner Valencia.
The Ecuador striker will link up with the Toffees squad after the international break.
Valencia scored four Premier League goals in 19 appearances for West Ham during 2015/16, and Everton have been offered an option to sign him on a permanent basis at the end of the season.
Scotland international Ikechi Anya has swapped Watford for Derby in a permanent transfer.
The 28 year-old winger, who can also play as a wing-back, has agreed terms on a four-year contract with the Championship club.
Anya featured 28 times for the Hornets in the Premier League last season and also played an important part in their promotion to the top flight in 2014/15.
Hull City have completed the season-long loan signing of Dieumerci Mbokani from Dynamo Kiev.
The 30 year-old spent last season on loan at Norwich, scoring seven Premier League in 29 games, which wasn't enough to save the Canaries from relegation.
Liverpool winger Lazar Markovic has joined Portuguese giants Sporting Clube de Portugal on a season-long loan deal.
The 22 year-old was signed by Liverpool from Sporting's fierce rivals Benfica in the summer of 2014.
He spent last season on loan at Turkish club Fenerbahce, scoring twice in 20 appearances.
AFC Bournemouth have completed the signing of winger Mihai Dobre from FC Viitorul Constanta.
The Romanian youth international celebrated his 18th birthday this week and will join Bournemouth's youth squad for the remainder of the season.
Besiktas have signed Leicester midfielder Gokhan Inler in a £3million-plus three-year deal.
The 32-year-old played just 13 matches in the Foxes' Premier League-winning season having arrived from Napoli for £5million last summer.
A statement on Besiktas' website said Inler's contract is for an initial two years with the option of a third if he plays in 23 matches in his second season.
Fulham have signed Brazilian midfielder Lucas Piazon on loan from Chelsea until January 15, 2017.
The Cottagers announced the 22-year-old's arrival from their west London neighbours on Wednesday evening.
"Fulham Football Club is pleased to announce the signing of Lucas Piazon on loan from Chelsea until January 2017," a story on Fulham's official website read.
Piazon joined Chelsea in 2011 and has had loan spells at Malaga, Vitesse Arnhem, Eintracht Frankfurt and Reading. He made 27 appearances and scored five goals, including one at Craven Cottage, for the Royals last season.
Man City youngster Jason Denayer has joined Sunderland on a season-long loan deal.
The 21 year-old central defender has already won 7 caps for Belgium's senior team, and he joins Didier Ndong at the Stadium of Light, who completed his £13.6m transfer from Lorient earlier today.