Chelsea boss Jose Mourinho admits Diego Costa can't do anything in training during the week due to his hamstring injury.
Costa scored his eighth of the season as Mourinho's team beat Aston Villa 3-0 at Stamford Bridge yesterday to stay top of the Barclays Premier League and extend their unbeaten start.
"He is doing almost nothing," said Mourinho. "He's just resting and recovering from the tight muscle he has every time he accumulates fatigue. I hope he goes home after this game and sleeps until tomorrow morning.
"He cannot be at the top of his game but even so, scoring a goal is good for his confidence, especially for a player who isn't training as he should because we are protecting him."