Chelsea midfielder Michael Essien looks set to miss Saturday's clash with Everton after sustaining a hamstring injury against APOEL.
Essien limped off midway through the first half of the 2-2 Champions League draw at Stamford Bridge shortly after firing the Blues' opener. Carlo Ancelotti revealed Chelsea will assess the extent of the damage on Wednesday but admitted the Ghana midfielder is likely to miss the Barclays Premier League showdown with Everton.
"Michael has a problem with his leg. We will look at him over the next few days and check on him. We hope it's not a big problem. I think he will not be able to play on Saturday," said Ancelotti.
Chelsea had already qualified for the knockout stages as Group D winners but Ancelotti was infuriated by a potentially damaging climax to the pool phase.
Apart from Essien's injury, the Italian saw his side peg back Marcin Zewlakow's shock sixth-minute opener only to concede a sloppy late equaliser to Nenad Mirosavljevic, who punished John Mikel Obi's lazy pass.
Essien produced a thunderbolt and Didier Drogba completed a slick team move to haul Chelsea back into contention, but Ancelotti was dismayed by the attitude of his players in the second half.
"This was not a good evening," he said. "We did well in the first half after going behind in six minutes.
"We were playing well and scored two goals. We played with intensity but then lost our concentration. For this I am not happy. We have to play for 90 minutes with intensity and concentration. It's a psychological thing.
"The outcome isn't important but it's important to play our best in every game. This was not how we want it. I spoke with my players about it afterwards.
"The first goal can happen, the second one no. It was the consequence of our soft play. We had the possibility to close the game out but didn't play well."
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