Arsenal are expected to make several significant sales as Mikel Arteta aims to revamp his squad depth, and one popular star is now certain to depart. This time one year ago, Aaron Ramsdale was a certain starter at Arsenal, and had impressed between the sticks as he was named in the PFA Team of the Year. However, Arteta sprung a surprise on everyone when he chose to bring in Brentford goalkeeper David Raya on an initial loan, and the Spaniard took Ramsdale’s place. After initially struggling, Raya has thrived in recent months, and is set to continue as the Arsenal number one. Ramsdale has been …