Drogba a doubt

Didier Drogba is a doubt for Chelsea’s Premier League clash with Arsenal on Sunday.

Drogba suffered an ankle injury in the 1-1 Champions League draw with Barcelona on Wednesday.

Joe Cole and Paulo Ferreira are out for the season with knee ligament injuries.

Provisional squad: Cech, Hilario, Belletti, Bosingwa, A Cole, Terry, Alex, Ivanovic, Lampard, Obi, Ballack, Essien, Kalou, Malouda, Drogba, Anelka, Stoch, Di Santo, Mancienne.