The transfer window was opened for 10 weeks, starting on the 27th of July 2020 and ending on the 5th of October 2020 in most countries in Europe.
Here are some of the deals you might have missed on the 5th of October:
Lyon have signed centre-back Djamel Benlamri from Al-Shabab on a one-year contract.
FC Basel have signed defender Timm Klose on a season-long loan from Norwich City.
PSV Eindhoven have signed midfielders Marco van Ginkel and Adrian Fein on season-long loans from Chelsea and Bayern Munich respectively.
Lyon have signed right-back Mattia De Sciglio from Juventus on a season-long loan.
Sevilla have signed centre-back Karim Rekik from Hertha Berlin for €4-million on a five-year deal. Sevilla also signed Moroccan winger Oussama Idrissi from AZ for €12-million.
Fenerbahce have signed winger Diego Perotti on a free transfer from Roma.
FC Porto have signed West Ham winger Felipe Anderson and Liverpool midfielder Marko Grujic on season-long loan deals.
Lokomotiv Moscow have signed striker Ze Luis from FC Porto for €7.5-million.
Sporting CP have re-signed midfielder Joao Mario on a season-long loan from Inter Milan.
Nantes have signed striker Jean-Kevin Augustin for free from RB Leipzig on a two-year deal.
Fiorentina have signed left-back Antonio Barecca from Monaco on a season-long loan.
Olympiacos have signed Portuguese midfielder Bruma on a season-long loan from PSV Eindhoven. Olympiacos also signed left-back Ruben Vinagre from Wolves on a season-long loan.
Real Valladolid have signed midfielder Roque Mesa from Sevilla on a free transfer.
RB Leipzig have signed forward Justin Kluivert from Roma on a season-long loan.
Parma have signed French midfielder Wylan Cyprien on a season-long loan from OGC Nice. Parma also signed Romanian winger from Craiova for €8-million.
Sassuolo have signed Uruguayan winger Nicolas Schiappacasse from Atletico Madrid for €1.3-million.
Club Brugge have signed winger Noa Lang on a season-long loan from Ajax Amsterdam.
Zenit have signed midfielder Wendel from Sporting CP for €20-million.
FC Porto have signed full-back Nanu from Maritimo for an undisclosed fee.
Espanyol have signed winger Alvaro Vadillo on a season-long loan from Celta Vigo.
Lazio have signed centre-back Wesley Hoedt from Southampton on a season-long loan.
Hoffenheim have re-signed German midfielder Sebastian Rudy on a season-long loan from Schalke. Hoffenheim also signed winger Ryan Sessegnon from Tottenham on a season-long loan.
Mallorca have signed striker Marc Cardona on a season-long loan from Osasuna.
FC Porto have signed Spanish striker Toni Martinez from Famalicao for €3.5-million.
Nice have signed midfielder Jeff Reine-Adelaide from Lyon on a season-long loan.
Real Betis have signed left-back Juan Miranda from Barcelona on a season-long loan.
Brighton have signed midfielder Jakub Moder from Lech Poznan for £6-million and full-back Michael Karbownik from Legia Warsaw for £3.4-million. Both players return to their respective clubs on season-long loans.
Burnley have signed midfielder Anthony Gomez Mancini from Angers on a season-long loan.
Granada have signed centre-back Nehuen Perez from Atletico Madrid on a season-long loan.
FC Porto have signed defender Malang Sarr on a season-long loan from Chelsea.
Mallorca have signed winger Amath Ndiaye on a season-long loan from Getafe.
Osasuna have signed striker Ante Budimir from Mallorca on a season-long loan.
Udinese have signed winger Gerard Deulofeu from Watford on a season-long loan.
Fulham have signed centre-back Joachim Andersen from Lyon on a season-long loan.
Getafe have signed wingers Víctor Mollejo, from Atletico Madrid, and Abdoulay Diaby, from Sporting CP, on season-long loans.
Stade Rennais have signed Belgian winger Jeremy Doku from Anderlecht for €27-million.
Fiorentina have signed Spanish forward Jose Callejon on a free transfer, following his departure from Napoli. Fiorentina also signed Argentine defender Lucas Martínez Quarta from River Plate for €6-million.
Celtic have signed full-back Diego Laxalt on a season-long loan from AC Milan.
Sampdoria have signed Croatian goalkeeper Karlo Letica from Club Brugge for an undisclosed fee.
Hertha Berlin have signed centre-back Omar Alderete from Basel for €8-million on a five-year deal.
Udinese have signed French midfielder Jean-Victor Makengo from Nice for €3.5-million.
Istanbul Basaksehir have signed winger Deniz Turuc on a season-long loan from Fenerbahce.
Schalke have signed RB Salzburg right-back Killian Ludewig on a season-long loan after he was recalled from his loan spell at Barnsley.
Eibar have signed Sevilla right-back Alejandro Pozo and winger Bryan Gil on season-long loan deals.
Real Valladolid have signed Benfica winger Jota on a season-long loan.