The two strikers and their respective clubs appear to be on very different trajectories ahead of Sunday's London derby
List of strikers wanted at Stamford Bridge also features Berahino and Vardy - all the latest Chelsea transfer news and gossip
A routine Champions League win is overshadowed by a spat between manager and his main striker
Was manager's swipe at former Blues star a reaction to criticism over the Eva Carneiro affair?
Sky to show Liverpool vs Man Utd on 17 January as latest televised matches are announced, with Christmas schedule already revealed
Both managers have plenty of promising players at their disposal, it is time they took advantage of them
Under fire Portuguese manager says claims players want to lose are 'sad' and grounds for 'legal action' - something he is already facing
Former club doctor takes Blues to court claiming constructive dismissal after Mourinho row
Stoke City knock Blues out of League Cup after Hazard penalty miss as Costa picks up yet another injury
Stadium director quoted as saying he would consider a separate area for non-white fans to 'avoid racism'
Another FA charge for the Blues' under pressure boss, but could an inexperienced squad survive without him?
Blues denied by referee and the woodwork as Mourinho references Wenger and the Rugby World Cup
Chelsea boss fumes over what he sees as unfair treatment after latest outburst, but his paymaster may be losing patience
The Special One is a 'cultural terrorist' who has brought third-season syndrome upon himself by 'burning out' his players
The Special One's days as top dog in the Premier League will be over if Liverpool get their man
With the two London clubs facing a crisis, perhaps in-demand manager Jurgen Klopp should start planning a move to the capital?
Blues boss returns to the place where his legend was born, and his reputation suffers another blow with 2-1 defeat to Porto
Blues boss says he only wants 'serial winners' in his team and at least six first-teamers are believed to be in the firing line
The eight most feared forwards in the Premier League have mustered seven goals in 47 games this season, with none for Rooney and Kane
Costa faces three match ban as both teams are called to account over unsavoury confrontations at the weekend