Arsenal have confirmed the signing of David Luiz from Chelsea on a two-year contract ahead of the 2019/20 campaign for an £8m fee.
The Gunners signed Kieran Tierney from Celtic earlier today and have now added the Brazilian centre-back this evening.
Gabriel Martinelli joined the Gunners earlier this summer, while William Saliba signed for Arsenal but has been loaned back to Saint-Etienne.
Tierney has arrived from Celtic for £25m but it's Luiz's loan deal which is creating big headlines as well at the moment.
Top talents Nicolas Pepe and Dani Ceballos have also been acquired but this latest deal for Luiz has certainly got fans talking.
It's fair to say that Arsenal fans are loving life right now and the social media reaction highlights that.
There are fans who claim this window to be the 'best ever' and others even think the Gunners can compete for the Premier League top four and even the title now.
Here is the best of the reaction.
