Arsenal close in on first summer signing after activating £27m transfer clause
![Arsenal close in on first summer signing after activating £27m transfer clause](https://i2-prod.mirror.co.uk/incoming/article32134822.ece/ALTERNATES/s615/1_GettyImages-1746733865.jpg)
Arsenal are poised to complete their first signing of the summer transfer window after activating their option to sign David Raya from Brentford permanently for £27million