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Chelsea manager Andre Villas-Boas will again be without injured duo Branislav Ivanovic and John Obi Mikel.
Defenders John Terry and Jose Bosingwa have shaken off knocks and Ramires is back from suspension.
Aston Villa hope Darren Bent will be fit enough to return after missing the last three games with a groin injury.
Emile Heskey will again miss out and James Collins is a doubt, but Alan Hutton is definitely available after serving a one-match ban.(BBC Sport)