2) Petr Cech (Chelsea to Arsenal)
An absolute bargain at £10m, Petr Cech joins rivals Arsenal from Chelsea and is expected to become the new number one for the Gunners, solving what has long been a problem position for the club.
1) Memphis Depay (PSV to Manchester United)
Brought in for £30m, Memphis Depay may seem a risky buy at that price, but the Dutchman, like Firmino, is a genuine talent who seems set for stardom after some hugely impressive displays at former club PSV.