Didier Drogba has picked up a thigh injury and pulled out of a charity game . Chelsea are already missing Diego Costa and Loic Remy through injury . They travel to face Arsenal at the Emirates Stadium on Sunday at the full 90 minutes . Costa returns to first-team training this week to boost Jose Mourinho .
Didier Drogba has picked up a thigh injury and pulled out of a charity game . Chelsea are already missing Diego Costa and Loic Remy through injury . They travel to face Arsenal at the Emirates Stadium on Sunday at 4pm . Costa returns to first-team training this week to boost Jose Mourinho .