Rio ferdinand has hailed Petr cech as the best signing of preseason.
The former manchester united defender thinks the keeper will massively
improve Arsenal this season.
Ferdinand said "Arsenal have made the best signings i would say that
even if they had just signed petr cech.
"He is the best signing in the league he is that important.
"There is a huge responsibility in that position as a goalkeeper with
him in goal they have got a better chance(Arsenal).