In: Alexis Sánchez (Barcelona, £31.8m), Calum Chambers (Southampton, £16m), Mathieu Debuchy (Newcastle United, £8m), David Ospina (Nice, £3.5m), Elias Chatzitheodoridis (Mas Kallitheakos, Undisclosed), Hugo Keto (HJK Helsinki, Undisclosed), Ben Sheaf (West Ham, United, Undisclosed).
Sanchez best signing? What do you guys think.