The winter transfer window officially opens on January 1 and Premier League clubs up and down the land are gearing up to get their business done. Keep up with all of the incomings and outgoings with Sports Mole's in-depth transfer guide right here.

Jump to: Arsenal / Bournemouth / Brighton & Hove Albion / Burnley / Chelsea / Crystal Palace / Everton / Huddersfield Town / Leicester City / Liverpool / Manchester City / Manchester United / Newcastle United / Southampton / Stoke City / Swansea City / Tottenham Hotspur / Watford / West Bromwich Albion / West Ham United

ARSENAL

In
Konstantinos Mavropanos (undisclosed, PAS Giannina)
Henrikh Mkhitaryan (swap deal with Alexis Sanchez, Manchester United)
Pierre-Emerick Aubameyang (£56m, Borussia Dortmund)

Out
Stephy Mavididi (loan, Charlton Athletic)
Francis Coquelin (£12m, Valencia)
Tafari Moore (loan, Wycombe Wanderers)
Theo Walcott (£20m+, Everton)
Alexis Sanchez (swap deal with Henrikh Mkhitaryan, Manchester United)
Ben Sheaf (loan, Stevenage)
Marcus McGuane (undisclosed, Barcelona)
Olivier Giroud (£18m, Chelsea)
Mathieu Debuchy (free, Saint-Etienne)
Krystian Bielik (loan, Walsall)

BOURNEMOUTH

In
No deals done yet!

Out
Aaron Ramsdale (loan, Chesterfield)
Mihai Dobre (loan, Rochdale)
Connor Mahoney (loan, Barnsley)
Ryan Allsop (loan, Lincoln City)
Lewis Grabban (loan, Aston Villa)
Benik Afobe (loan, Wolverhampton Wanderers)

BRIGHTON & HOVE ALBION

In
Viktor Gyokeres (undisclosed, IF Brommapojkarna)
Jurgen Locadia (£14m, PSV Eindhoven)
Leonardo Ulloa (loan, Leicester City)

Out
Jordan Maguire-Drew (loan, Coventry City)
Kazenga LuaLua (free, Sunderland)
Ben Hall (loan, Notts County)

BURNLEY

In
Georges-Kevin Nkoudou (loan, Tottenham Hotspur)
Aaron Lennon (undisclosed, Everton)

Out
Jimmy Dunne (loan, Accrington Stanley)
Luke Hendrie (undisclosed, Shrewsbury Town)
Alex Whitmore (free, Chesterfield)
Dan Agyei (loan, Blackpool)
Tom Anderson (loan, Doncaster Rovers)

CHELSEA

In
Ross Barkley (£15m, Everton)
Emerson Palmieri (£17.6m, Roma)
Olivier Giroud (£18m, Arsenal)

Out
Diego Costa (£57m, Atletico Madrid)
Ike Ugbo (loan, MK Dons)
Jake Clarke-Salter (loan, Sunderland)
Kenedy (loan, Newcastle United)
Charly Musonda (loan, Celtic)
Todd Kane (loan, Oxford United)
Michy Batshuayi (loan, Borussia Dortmund)
Kasey Palmer (loan, Derby County)

CRYSTAL PALACE

In
Erdal Rakip (loan, Benfica)
Jaroslaw Jach (undisclosed, Zaglebie Lubin)
Alexander Sorloth (undisclosed, Midtjylland)

Out
Noor Husin (undisclosed, Notts County)
Keshi Anderson (undisclosed, Swindon Town)
Sullay Kaikai (loan, Charlton Athletic)
Freddie Ladapo (undisclosed, Southend United)

EVERTON

In
Cenk Tosun (£27m, Besiktas)
Theo Walcott (£20m+, Arsenal)
Eliaquim Mangala (loan, Manchester City)

Out
Ross Barkley (£15m, Chelsea)
Liam Walsh (undisclosed, Bristol City)
Gethin Jones (undisclosed, Fleetwood Town)
Kevin Mirallas (loan, Olympiacos)
Harry Charsley (loan, Bolton Wanderers)
Aaron Lennon (undisclosed, Burnley)
Boris Mathis (loan, Northampton Town)
Sandro Ramirez (loan, Sevilla)
Ademola Lookman (loan, RB Leipzig)
Louis Gray (loan, Carlisle United)
Muhamed Besic (loan, Middlesbrough)

HUDDERSFIELD TOWN

In
Terence Kongolo (loan, Monaco)
Alex Pritchard (undisclosed, Norwich City)

Out
Jack Payne (loan, Blackburn Rovers)
Joe Lolley (undisclosed, Nottingham Forest)
Martin Cranie (undisclosed, Middlesbrough)

LEICESTER CITY

In
Adrien Silva (£22m, Sporting Lisbon)

Out
Leonardo Ulloa (loan, Brighton & Hove Albion)
Ahmed Musa (loan, CSKA Moscow)
Andy King (loan, Swansea City)
Islam Slimani (loan, Newcastle United)

LIVERPOOL

In
Virgil van Dijk (£75m, Southampton)
Tony Gallagher (£200,000, Falkirk)

Out
Corey Whelan (loan, Yeovil Town)
Philippe Coutinho (£142m inc. bonuses, Barcelona)
Matty Virtue (loan, Notts County)
Cameron Brannagan (undisclosed, Oxford United)
Ryan Kent (loan, Bristol City)
Marko Grujic (loan, Cardiff City)
Daniel Sturridge (loan, West Bromwich Albion)
Lloyd Jones (loan, Luton Town)
Ovie Ejaria (loan, Sunderland)
Lazar Markovic (loan, Anderlecht)
Harry Wilson (loan, Hull City)
Jon Flanagan (loan, Bolton Wanderers)

MANCHESTER CITY

In
Aymeric Laporte (£57m, Athletic Bilbao)
Jack Harrison (undisclosed, New York City FC)

Out
Shay Facey (undisclosed, Northampton Town)
Chidi Nwakali (loan, Aberdeen)
Isaac Buckley-Rickett (loan, Oxford United)
Kean Bryan (loan, Oldham Athletic)
Ashley Smith-Brown (loan, Oxford United)
Jack Harrison (loan, Middlesbrough)
Jacob Davenport (loan, Burton Albion)
Charlie Oliver (loan, Fleetwood Town)
Eliaquim Mangala (loan, Everton)

MANCHESTER UNITED

In
Alexis Sanchez (swap deal with Henrikh Mkhitaryan, Arsenal)

Out
James Wilson (loan, Sheffield United)
Henrikh Mkhitaryan (swap deal with Alexis Sanchez, Arsenal)
Axel Tuanzebe (loan, Aston Villa)
Charlie Scott (loan, Hamilton Academical)
Matty Willock (loan, St Johnstone)

NEWCASTLE UNITED

In
Kenedy (loan, Chelsea)
Islam Slimani (loan, Leicester City)

Out
Adam Armstrong (loan, Blackburn Rovers)
Ivan Toney (loan, Scunthorpe United)
Dan Barlaser (loan, Crewe Alexandra)
Jamie Sterry (loan, Crewe Alexandra)
Freddie Woodman (loan, Aberdeen)
Jack Colback (loan, Nottingham Forest)
Aleksandar Mitrovic (loan, Fulham)

SOUTHAMPTON

In
Guido Carrillo (undisclosed, Monaco)

Out
Virgil van Dijk (£75m, Liverpool - effective Jan 1)
Marcus Barnes (loan, Yeovil Town)
Matt Targett (loan, Fulham)
Ryan Seager (loan, Yeovil Town)

STOKE CITY

In
Moritz Bauer (undisclosed, Rubin Kazan)
Kostas Stafylidis (loan, Augsburg)
Badou Ndiaye (£14m, Galatasaray)

Out
Harry Souttar (loan, Ross County)
Josh Tymon (loan, MK Dons)
Julien Ngoy (loan, Walsall)

SWANSEA CITY

In
Andre Ayew (£18m, West Ham United)
Andy King (loan, Leicester City)

Out
Jay Fulton (loan, Wigan Athletic)
Adam King (loan, Mansfield Town)
Roque Mesa (loan, Sevilla)
Joe Rodon (loan, Cheltenham Town)
Oli McBurnie (loan, Barnsley)

TOTTENHAM HOTSPUR

In
Lucas Moura (£25m, Paris Saint-Germain)

Out
Georges-Kevin Nkoudou (loan, Burnley)
Marcus Edwards (loan, Norwich City)
Cameron Carter-Vickers (loan, Ipswich Town)
Ryan Loft (loan, Exeter City)
Anton Walkes (loan, Portsmouth)
Luke Amos (loan, Stevenage)
Shayon Harrison (loan, Southend United)

WATFORD

In
Gerard Deulofeu (loan, Barcelona)
Dodi Lukebakio (undisclosed, Anderlecht)
Didier Ndong (loan, Sunderland)
Pontus Dahlberg (undisclosed, Gothenburg)

Out
Charlie Rowan (loan, Accrington Stanley)
Randell Williams (loan, Wycombe Wanderers)
Isaac Success (loan, Malaga)
Costel Pantilimon (loan, Nottingham Forest)
Pontus Dahlberg (loan, Gothenburg)
Ben Watson (released)

WEST BROMWICH ALBION

In
Ahmed Hegazi (undisclosed, Al Ahly - deal made permanent Dec 18)
Daniel Sturridge (loan, Liverpool)
Ali Gabr (loan, Zamalek)

Out
Kane Wilson (loan, Exeter City)
Kyle Edwards (loan, Exeter City)
Tahvon Campbell (loan, Forest Green Rovers)
Shaun Donnellan (free, Yeovil Town)
Tyler Roberts (£2.5m, Leeds United)
Kyle Howkins (loan, Port Vale)
Max Melbourne (loan, Ross County)
Jack Fitzwater (loan, Walsall)

WEST HAM UNITED

In
Joao Mario (loan, Inter Milan)
Jordan Hugill (undisclosed, Preston North End)

Out
Martin Samuelsen (loan, Burton Albion)
Diafra Sakho (undisclosed, Rennes)
Reece Oxford (loan, Borussia Monchengladbach)
Moses Makasi (loan, Plymouth Argyle)
Andre Ayew (£18m, Swansea City)
Reece Burke (loan, Bolton Wanderers)