The five players Chelsea are set to axe this summer to fund Diego Costa transfer including Tottenham target

Romelu Lukaku

There is much debate over the future of this 21-year-old, who has impressed during loan spells with West Bromwich Albion and Everton over the past two years.

Lukaku and Mourinho had a disagreement last summer and it remains to be seen whether that is patched up, with Tottenham Hotspur waiting in the wings if not.