With the 2019-20 season having finally crawled over the finish line after an abrupt pause due to the coronavirus crisis, the focus now shifts to the summer transfer window, with clubs aiming to build – or in the case of some, rebuild – and strengthen their squads for the upcoming campaign.

This summer transfer window looks to be one of the most unique windows in history and that is due to the big elephant in the room: the COVID-19 pandemic. The financial implications brought upon the footballing world has been immense, with even Europe's elite clubs tipped to be short on funds.

With that in mind, this article is your one-stop-shop for confirmed transfer deals. First, let us take a quick look at the key info for this summer window.

Transfer deadline dates in Europe

The transfer window does not open and shut close simultaneously across the world's major leagues. Here are when the top European leagues open their transfer business (source: FIFA Transfer Match System):

• Premier League - Transfer window opens: July 27. Transfer window closes: October 05 for international deals and on October 16 for domestic-only signings. 

• La Liga - Transfer window opens: August 4. Transfer window closes: October 5. 

• Serie A - Transfer window opens: September 1. Transfer window closes: October 5. 

• Bundesliga - Transfer window opens: July 15. Transfer window closes: October 5. 

• Ligue 1 - Transfer window opens: TBC. Transfer window closes: TBC. 

• Primeira Liga - Transfer window opens: August 3. Transfer window closes: October 25.

• Eredivisie - Transfer window opens: TBC. Transfer window closes: TBC.

• Belgian Division A - Transfer window opens: July 7. Transfer window closes: August 31.

• Super Lig - Transfer window opens: August 4. Transfer window closes: October 5.

• Scottish Premiership - Transfer window opens: July 14. Transfer window closes: October 5.

Transfer deadline dates in America

South and North American leagues are a source of great excitement for lovers of the beautiful game, with teams from the Superliga Argentina, the Brasileirao, Liga MX, and MLS boasting great fanbase. Here is when those clubs can do business in the transfer window (source: FIFA Transfer Match System):

• Superliga Argentina - Transfer window opens: July 7. Transfer window closes: September 28.

• Brasileirao - Transfer window opens: October 13. Transfer window closes: November 9.

• Liga MX - Transfer window opens: June 14. Transfer window closes: September 5.

• Major League Soccer (MLS) - Transfer window opens: August 12. Transfer window closes: October 29.

Transfer deadline dates in women's soccer

With women's soccer growing in popularity over the years, several fans will curious to see when and how their favorite teams will strengthen their squads. Here are the key dates:

• NWSL – Transfer window opens: August 3. Transfer window closes: September 2.

• FA WSL – Transfer window opens: June 19. Transfer window closes: September 10.

• Frauen Bundesliga – Transfer window opens: July 15. Transfer window closes: October 5.

• Division 1 Feminine – Transfer window opens: July 1. Transfer window closes: September 18.

• Primera Division – Transfer window opens: August 5. Transfer window closes: October 5.

• Westfield W-League – Transfer window opens: September 30. Transfer window closes: December 22.

Top 20 European teams – 2020-21 Summer Transfer window

AC Milan

Transfers in: Simon Kjaer, Alexis Saelemaekers, Pierre Kalulu

Transfers out: Suso, Gustavo Gómez

Ajax

Transfers in: Antony, Mohammed Kudus, Maarten Stekelenburg, Lisandro Magallán

Transfers out: Hakim Ziyech, Kik Pierie (loan), Benjamin van Leer, Bruno Varela, Ryan Babel, Donny van de Beek

Arsenal

Transfers in: Willian, Gabriel Magalhaes, Dani Ceballos (second loan spell), Thomas Partey

Transfers out: Zech Medley (loan), Henrikh Mkhitaryan, Emilliano Martinez, Lucas Torreira (loan)

Atletico Madrid

Transfers in: Lucas Torreira (loan)

Transfers out: Thomas Partey

Barcelona

Transfers in: Miralem Pjanic, Sergiño Dest

Transfers out: Arthur, Marc Cucurella, Arda Turan (contract ends), Arturo Vidal, Nelson Semedo, Luis Suarez

Bayern Munich

Transfers in: Leroy Sane, Tanguy Nianzou, Eric Maxim Choupo-Moting, Douglas Costa (loan)

Transfers out: Lars Lukas Mai (loan), Philippe Coutinho (end of loan), Ivan Perisic (end of loan), Álvaro Odriozola (end of loan), Thiago Alcantara, Javi Martinez

Benfica

Transfers in: Pedrinho, Jan Vertonghen, Nicolas Otamendi

Transfers out: Ruben Dias

Borussia Dortmund

Transfers in: Thomas Meunier, Jude Bellingham, Reinier (loan)

Transfers out: Ömer Toprak, Leonardo Balerdi (loan), Mario Gotze, André Schürrle, Eric Oelschlägel, Achraf Hakimi

Chelsea

Transfers in: Hakim Ziyech, Timo Werner, Ben Chilwell, Malang Sarr, Thiago Silva, Kai Havertz, Edouard Mendy

Transfers out: Mario Pasalic, Nathan, Danilo Pantic (loan), Willian, Pedro, Ross Barkley (loan), Tiemoue Bakayoko (loan)

Inter Milan

Transfers in: Alexis Sanchez (permanent deal), Achraf Hakimi, Aleksandar Kolarov

Transfers out: TBA

Juventus

Transfers in: Arthur, Félix Correia, Weston McKennie, Alvaro Morata

Transfers out: Miralem Pjanic, Erik Gerbi, Blaise Matuidi, Douglas Costa (loan)

Liverpool

Transfers in: Kostas Tsimikas, Thiago Alcantara, Diogo Jota

Transfers out: Dejan Lovren, Nathaniel Clyne, Andy Lonergan, Adam Lallana, Rhian Brewster

Man City

Transfers in: Yan Couto, Nathan Ake, Ferran Torres, Ruben Dias

Transfers out: Leroy Sane, Ko Itakura (loan), Aleix Garcia, David Silva, Luke Bolton, Daniel Arzani (loan), Pedro Porro (loan), Nicolas Otamendi

Man United

Transfers in: Donny van de Beek, Alex Telles, Amad Diallo, Edinson Cavani

Transfers out: Cameron Borthwick-Jackson, George Tanner, Angel Gomes, Tahith Chong (loan), Andreas Pereira, Diogo Dalot, Chris Smalling

PSG

Transfers in: Mauro Icardi (permanent deal), Moise Kean (loan), Danilo Pereira (loan)

Transfers out: Adil Aouchiche, Tanguy Nianzou, Thomas Meunier, Edinson Cavani, Thiago Silva, Eric Maxim Choupo-Moting

Porto

Transfers in: TBA

Transfers out: Fabio Silva, Vitor Ferreira (loan), Danilo Pereira (loan)

Real Madrid

Transfers in: TBA

Transfers out: Achraf Hakimi, Javi Sanchez, Luca Zidane, Reinier (loan), Dani Ceballos (loan), Gareth Bale (loan), Sergio Reguilon

Roma

Transfers in: Pedro, Henrikh Mkhitaryan, Chris Smalling

Transfers out: Grégoire Defrel, Maxime Gonalons, Silvio Anocic, Stefano Greco, Matias Nani, Cengiz Under (loan)

Sporting CP

Transfers in: Pedro Porro (loan)

Transfers out: Jérémy Mathieu (retired), 

Tottenham

Transfers in: Pierre-Emile Hojbjerg, Joe Hart, Matt Doherty, Gareth Bale (loan), Sergio Reguilon, Carlos Vinicius (loan)

Transfers out: Jan Vertonghen, Michel Vorm, Kyle Walker-Peters

Top confirmed transfers by day

October 5

- Thomas Partey - Atletico Madrid to Arsenal, $58M

- Lucas Torreira - Arsenal to Atletico Madrid, loan

- Ben Godfrey - Norwich to Everton, $26M

- Raphinha - Rennes to Leeds, $22M

- Chris Smalling, Man Utd to Roma, $17.7M

- Theo Walcott - Everton to Southampton, loan

- Tiemoue Bakayoko - Chelsea to AC Milan, loan

- Edinson Cavani - PSG to Manchester United (Free agent)

- Amad Diallo Traore - Atalanta to Manchester United, $47.2M (including add-ons)

- Alex Telles - FC Porto to Manchester United, undisclosed

- Danilo Pereira - Porto to PSG, loan

- Eric Maxim Choupo-Moting - PSG to Bayern Munich, free

- Douglas Costa - Juventus to Bayern Munich, loan

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October 4

- Diogo Dalot - Man United to AC Milan, loan

- Moise Kean - Everton to PSG, loan

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October 2

- Rhian Brewster - Liverpool to Sheffield United, $30.5M

- Wesley Fofana - Saint-Etienne to Leicester City, $39M

- Carlos Vinicius - Benfica to Tottenham, loan

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October 1

- Sergiño Dest - Ajax to Barcelona, $24.6M

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September 30

- Ross Barkley - Chelsea to Aston Villa, loan

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September 29

- Ruben Dias - Benfica to Man City, $84.4M

- Nicolas Otamendi - Man City to Benfica, $17.8M

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September 25

- Luis Suarez - Barcelona to Atletico, $7M

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September 24

- Edouard Mendy - Rennes to Chelsea, undisclosed fee

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September 23

- Nelson Semedo - Barcelona to Wolves, $37M

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September 22

- Alvaro Morata - Atletico Madrid to Juventus, loan (with obligation to buy)

- Arturo Vidal - Barcelona vs Inter Milan, $1.3M

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September 20

- Cengiz Under - Roma to Leicester, loan

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September 19

- Diogo Jota - Wolves to Liverpool, undisclosed fee

- Gareth Bale - Real Madrid to Tottenham, loan

- Sergio Reguilon - Real Madrid to Tottenham, $32M

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September 18

- Thiago Alcantara - Bayern Munich to Liverpool, $25.7M

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September 16

- Emilliano Martinez - Arsenal to Aston Villa, undisclosed fee

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September 10

- Michy Batshuayi - Chelsea to Crystal Palace, loan

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September 9

- Alphonse Areola - PSG to Fulham, loan

- Ollie Watkins - Brentford to Aston Villa, $36M

- Callum Robinson - Sheffield United to West Brom, swap deal

- Oliver Burke - West Brom to Sheffield United, swap deal

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September 8

- Aleksandar Kolarov - Roma to Inter Milan, undisclosed fee

- Jamal Lewis - Norwich to Newcastle, undisclosed fee

- Angelino - Man City to RB Leipzig, loan

- Abdoulaye Doucoure - Watford to Everton, undisclosed fee

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September 7

- James Rodriguez - Real Madrid to Everton, undisclosed fee

- Callum Wilson - Bournemouth to Newcastle, $26M

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September 5

- Fabio Silva - Porto to Wolves, $46M

- Allan - Napoli to Everton, $28.6M

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September 4

- Kai Havertz - Bayer Leverkusen to Chelsea, $93.6M

- Dani Ceballos - Real Madrid to Arsenal, second loan spell

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September 3

- Timothy Castagne - Atalanta to Leicester City, $33M

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September 2

- Shane Duffy - Brighton to Celtic, loan

- Donny van de Beek - Ajax to Man Utd, $46M

September 1

- Ivan Rakitic - Barcelona to Sevilla, $12M

- Gabriel Magalhaes - Lille to Arsenal, $30.3M

- Henrikh Mkhitaryan - Arsenal to Roma, free

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August 30

- Matt Doherty - Wolves to Spurs, $20M

- Mario Lemina - Southampton to Fulham, loan

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August 29

- Rodrigo - Valencia to Leeds, $47M

-  Weston McKennie - Schalke to Juventus, loan ($3.5M) with buy option ($21.3M)

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August 28

- Thiago Silva - PSG to Chelsea, free

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August 27

- Malang Sarr - Nice to Chelsea, free

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August 26

- Ben Chilwell - Leicester to Chelsea, $60M

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August 25

- Pedro - Chelsea to Roma, free

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August 19

- Reinier - Real Madrid to Dortmund, loan

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August 18

- Joe Hart - Burnley to Tottenham, free

August 17

- David Silva - Man City to Real Sociedad, free

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August 16

- Tahith Chong - Man United to Werder Bremen, loan

- Pedro Porro - Man City to Sporting CP, loan

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August 14

- Willian - Chelsea to Arsenal, free

- Jan Vertonghen - Tottenham to Benfica, free

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August 13

- Dani Parejo - Valencia to Villarreal, free

- Francis Coquelin - Valencia to Villarreal, $9.4M 

- Blaise Matuidi -- Juventus to Inter Miami, free

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August 11

- Pierre-Emile Hojbjerg -- Southampton to Tottenham, undisclosed fee

- Kyle Walker-Peters - Tottenham to Southampton, undisclosed fee

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August 10

- Kostas Tsimikas - Olympiakos to Liverpool, $15.3M

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August 7

- Axel Disasi - Reims to Monaco, $15.3M

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August 6

- Alexis Sanchez - Man Utd to Inter Milan, free

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August 5

- Nathan Ake - Bournemouth to Man City, $52.2M

- Angel Gomes - Man Utd to Lille, free

- Arda Turan - Barcelona to Galatasaray, free

- Santi Cazorla - Villarreal to Al Sadd, free

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August 4

- Ferran Torres - Valencia to Man City, $27M

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July 31

- Victor Osimhen - Lille to Napoli, $82M

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July 27

- Adam Lallana - Liverpool to Brighton, free transfer

- Dejan Lovren - Liverpool to Zenit St Petersburg, $14.2M