4. Where will Thibaut Courtois end up?
Chelsea 'keeper Thibaut Courtois has spent the last three years out on loan at Atletico Madrid and his long term future remains far from certain.
With Petr Cech still starring for Jose Mourinho's side, Courtois won't fancy sitting on the bench at the Bridge.
The 'Special One' may have to choose between Cech and Courtois this summer.