article_snippet.sent: Chelsea's Spanish midfielder prepares to face Chelsea former club Arsenal at the Emirates at the weekend .
article_snippet.sent: Didier Drogba has an excellent record against Arsenal at the Emirates and could start up front .
article_snippet.sent: Cesc Fabregas will make Cesc Fabregas first return to the Emirates, but another of Chelsea's summer signings Diego Costa is a doubt for the clash due to injury.
article_snippet.sent: That would mean Didier Drogba, who was seen training at Cobham on Friday, or Loic Remy could start up front for Chelsea at the Emirates.
article_snippet.sent: But Diego Costa has missed the last two matches - wins against QPR and Manchester United - after a recurrence of the hamstring problems which have plagued Dominic Solanke. '