The transfer window is open! Clubs around the UK and Europe are getting business done as they look to give themselves the best possible chance at success in the new season.

Thursday morning's headlines:

Portugal winger Nani seals Sporting Lisbon return
Former Manchester United winger Nani returns to Sporting Lisbon for a third time after rejoining his former club from Valencia on a two-year deal. Read more.

Report: Middlesbrough keen on West Bromwich Albion winger Matt Phillips
Middlesbrough boss Tony Pulis is reportedly keen on a reunion with West Bromwich Albion and Scotland winger Matt Phillips. Read more.

Lazio announce signing of Sassuolo defender Francesco Acerbi
Lazio announce the signing of Sassuolo defender and Italy international Francesco Acerbi on a five-year contract. Read more.

Report: Lazio join Liverpool in race to sign Xherdan Shaqiri
Serie A giants Lazio are reportedly interested in signing Stoke City and Switzerland winger Xherdan Shaqiri this summer. Read more.

Atletico Madrid loan goalkeeper Axel Werner to Huesca
Atletico Madrid announce that goalkeeper Axel Werner will spend the next campaign on loan at La Liga newcomers Huesca. Read more.

Villarreal sign Miguel Layun from Porto
La Liga outfit Villarreal announce that they have signed Porto defender Miguel Layun on a three-year contract. Read more.

Michael Mancienne to leave Nottingham Forest for Turkey?
Nottingham Forest defender Mancienne is reportedly attracting interest from Turkish second-tier side Caykur Rizespor. Read more.

Hull City announce signing of PSV Eindhoven defender Jordy de Wijs
Hull City confirm that they have completed a deal to sign PSV Eindhoven defender Jordy de Wijs for an undisclosed fee. Read more.

Doncaster sign Leeds United forward Mallik Wilks on loan
Doncaster Rovers announce that Leeds United forward Mallik Wilks has arrived at the club on a six-month loan deal. Read more.

Swansea City defender Federico Fernandez: 'FC Krasnodar want to sign me'
Swansea City defender Federico Fernandez says that Russian side FC Krasnodar are "very interested" in signing him during the summer transfer window. Read more.

Lille show interest in Everton goalkeeper Maarten Stekelenburg?
Lille are reportedly keen on securing a deal for Everton goalkeeper Maarten Stekelenburg during the summer transfer window. Read more.

Sunderland youngster Sam Greenwood leaves for Arsenal
Sunderland announce that they have allowed youngster Sam Greenwood to join Arsenal after agreeing terms with the Premier League side. Read more.

Aston Villa keen for second loan deal for Manchester United's Axel Tuanzebe?
Aston Villa are reportedly keen to secure a second loan deal for Manchester United defender Axel Tuanzebe. Read more.

Agent: 'Barcelona defender Yerry Mina has not joined Everton'
Yerry Mina will not make a decision on his Barcelona future before speaking with the Catalan giants, according to his agent and uncle Jair Mina. Read more.

Real Madrid defender Achraf Hakimi loaned out to Borussia Dortmund
Real Madrid decide to allow defender Achraf Hakimi to spend the next two seasons on loan at Borussia Dortmund. Read more.

David Sullivan hints at more West Ham United signings
Co-chairman David Sullivan hopes "to have more exciting news" on the transfer front in the near future as West Ham United look to further strengthen their squad. Read more.

Report: Paris Saint-Germain, Juventus enter Rhian Brewster race
Paris Saint-Germain and Juventus are reportedly ready to pounce for Rhian Brewster, who has yet to pen his first professional contract with Liverpool. Read more.

Report: Barcelona agree terms with Paris Saint-Germain for Adrien Rabiot
Paris Saint-Germain midfielder Adrien Rabiot is reportedly close to joining Barcelona on a five-year deal worth £133,000 a week. Read more.

Glen Kamara 'attracting Wolverhampton Wanderers, Burnley interest'
A report suggests that Wolverhampton Wanderers and Burnley have joined Celtic and Rangers in showing an interest in Dundee midfielder Glen Kamara. Read more.

Hibernian reject second Celtic bid for midfielder John McGinn?
Hibernian have rejected a second Celtic bid for Scotland international midfielder John McGinn, according to a report. Read more.

Rangers 'increase bid for Millwall defender Jake Cooper to £3m'
A report claims that Rangers have made a £3m offer for Jake Cooper, but Millwall are reluctant to sell the centre-back. Read more.

Jurgen Klopp: 'Daniel Sturridge, Divock Origi have part to play at Liverpool'
Jurgen Klopp insists that Daniel Sturridge and Divock Origi 'have the quality' to succeed at Liverpool, as both players attempt to impress during pre-season. Read more.

Napoli president: 'Jorginho favours Chelsea over Manchester City
Chelsea are close to hijacking Manchester City's deal to sign Jorginho from Napoli as the midfielder would prefer to live in the English capital. Read more.

Lyon show interest in West Bromwich Albion midfielder Nacer Chadli?
Lyon reportedly show an interest in signing West Bromwich Albion midfielder Nacer Chadli, who is likely to leave The Hawthorns during the summer. Read more.

Birmingham City become favourites to sign Manchester City goalkeeper Joe Hart
Birmingham City emerge as the bookmakers' favourites to sign Manchester City goalkeeper Joe Hart during the summer transfer window. Read more.

West Ham United seal signing of Borussia Dortmund forward Andriy Yarmolenko
West Ham United announce that they have completed the signing of Borussia Dortmund forward Andriy Yarmolenko. Read more.

Australian clubs looking to sign Stoke City forward Peter Crouch?
Two clubs in the A-League are reportedly looking to secure the signing of Stoke City forward Peter Crouch. Read more.

Arsenal goalkeeper David Ospina targeted by Boca Juniors?
Boca Juniors are reportedly looking to wrap up the transfer of Arsenal goalkeeper David Ospina, who is now only third choice at the Emirates Stadium. Read more.

Chelsea target Jorginho 'boards flight to London'
Napoli midfielder Jorginho reportedly boards a flight to London at a time when the Italy international is being linked with a transfer to Chelsea. Read more.

Arsenal complete signing of Lorient midfielder Matteo Guendouzi
Arsenal complete the signing of Lorient midfielder Matteo Guendouzi for an undisclosed fee. Read more.

West Bromwich Albion looking to secure reunion with Leeds United's Kemar Roofe?
West Bromwich Albion are reportedly looking to secure a reunion with Leeds United midfielder Kemar Roofe, who began his career at The Hawthorns. Read more.

Leeds United looking to sign Juventus forward Moise Kean?
Leeds United are reportedly looking to secure a deal for Juventus forward Moise Kean and are willing to include a buy-back clause in any agreement. Read more.

Leicester City 'to offer Harry Maguire bumper new contract'
Leicester City are reportedly planning to make Harry Maguire one of the club's highest earners with a new contract following his performances at the World Cup. Read more.

Liverpool 'lining up Grzegorz Krychowiak move'
Liverpool are reportedly considering a summer move for Paris Saint-Germain midfielder Grzegorz Krychowiak, who spent last season on loan at West Bromwich Albion. Read more.

Juventus 'target Marcelo' after signing Cristiano Ronaldo
Juventus are reportedly planning another transfer raid on Real Madrid as they eye full-back Marcelo having already completed the signing of Cristiano Ronaldo. Read more.

Georginio Wijnaldum 'considering Liverpool exit'
Liverpool midfielder Georginio Wijnaldum is reportedly considering his future at the club following the summer arrivals of Naby Keita and Fabinho. Read more.

Manchester United manager Jose Mourinho 'decides to keep Victor Lindelof'
Manchester United manager Jose Mourinho reportedly decides to keep hold of Victor Lindelof and will offer the Sweden international more first-team football next season. Read more.

Liverpool 'begin Xherdan Shaqiri negotiations'
Liverpool reportedly begin official talks with Stoke City over a move for Switzerland international midfielder Xherdan Shaqiri. Read more.

Chelsea 'open N'Golo Kante contract talks'
Chelsea reportedly begin talks with N'Golo Kante over a contract extension which would make him one of the club's highest earners on around £200,000 per week. Read more.

Maurizio Sarri 'demands Eden Hazard, Willian stay'
Prospective new Chelsea boss Maurizio Sarri reportedly tells Roman Abramovich that he will only take over at the club if they keep hold of Eden Hazard and Willian. Read more.