Gabriel Magalhaes
Arsenal signed Gabriel Magalhaes from Lille for a fee around 27m pounds. The Brazilian made his debut against Fulham last month.
Pablo Mari
Arsenal made the transfer of Pablo Mari a permanent one for an undisclosed fee. The Spaniard moved to the Emirates Stadium on loan from Flamengo last season.
Cedric Soares
Soares is another loanee turned permanent signing for Arsenal on a free transfer.
George Lewis
Arsenal completed the signing of George Lewis from Norwegian club Larvik. The 19-year-old impressed during his two-week trial period in March.
Willian
Arsenal captured Willian on a free transfer from rival club Chelsea. The Brazilian penned a three-year deal at Emirates Stadium.
Tim Akinola
Arsenal completed the signing of Tim Akinola on a free transfer from Huddersfield Town months ago.
Salah- Eddine
The Gunners signed the teenage Dutch defender on a free transfer from Feyenoord.
Jonathan Dinzeyi
The 20-year-old joined as a free agent from Tottenham and is currently representing the Gunners’ reserves.
Dani Ceballos
Arsenal have extended the loan spell of Dani Ceballos from Real Madrid for another season.
Alex Runnarson
The Iceland goalkeeper made his move to Arsenal from Dijon last month, signing a four-year deal.
Thomas Partey
Arsenal have signed Thomas Partey from Atletico Madrid on the deadline day of the transfer window, activating his reported release clause worth 45m pounds.
Departures
Tobi Omole and Matthew Denis (released)
Tobi Omole joined fellow London club Tottenham while Matthew Denis signed for Norwich City after their contracts expired at Chelsea.
Zech Medley
Arsenal have loaned Zech Medley to Gillingham for the 2020/21 season.
Zak Swanson
Zak Swanson joined MVV Maastricht on a season-long loan.
Dinos Mavropanos
The Greece centre-back moved to VfB Stuttgart on a season-long loan. The 22-year-old had his loan spell with Nurnberg last season.
Trae Coyle
Arsenal have loaned Trae Coyle to Gillingham until this season following Medley.
Matt Smith
Matt Smith has joined Swindon Town on loan for the rest of the season.
Jordi Osei-Tutu
Jordi Osei-Tutu moved to Cardiff City on a season-long loan.
Sam Greenwood
Sam Greenwood signed for Leeds United on a permanent move from Arsenal. The 18-year-old has joined on a three-year deal.
Henrikh Mkhitaryan
AS Roma signed the Armenian international on a permanent deal after he cancelled his contract with Arsenal on mutual consent. The 31-year-old spent his previous season on loan with Roma.
Tyreece John-Jules
Tyreece John-Jules has signed for Doncaster Rovers on a season-long loan.
Mark McGuiness
The Gunners have loaned Mark McGuiness to Ipswich Town for the 20/21 season.
Dan Ballard
Dan Ballard has moved to Blackpool on a season-long loan.
Matteo Guendouzi
Bundesliga club Hertha Berlin completed their loan move for Matteo Guendouzi on the deadline day of the transfer window.
Ben Sheaf
Arsenal have sent Ben Sheaf to Coventry on a season-long loan.
Emiliano Martinez
The Argentine goalkeeper moved to Aston Villa for a reported fee of 20m pounds.
Lucas Torreira
Lucas Torreira completed his loan move to Atletico Madrid on the deadline day of the transfer window.