The 22-year-old will wear Arsenal’s number six shirt after penning a long-term contract.
Lille will receive £27m (€30m) for Gabriel, a player the French club brought in from Avai in 2017.
— Arsenal (@Arsenal) September 1, 2020
It was last season that Gabriel truly broke out, becoming one of Ligue 1’s most commanding defenders.
Napoli also wanted Gabriel and Manchester United showed interest, but his future is in north London.
Mikel Arteta wanted a new defender and believes Gabriel will make Arsenal a stronger team.
“We welcome Gabriel to Arsenal,” said Arteta. “He has many qualities which will make us stronger as a defensive unit and as a team.
“He has proved with Lille that he is a defender with many outstanding attributes and we are looking forward to watching him grow as an Arsenal player.”