PHOTOS: Injury boost for Chelsea as striker trains with Terry, Oscar and Kenedy

 Diego Costa handed Jose Mourinho a Community Shield injury boost as he was photographed training with his Chelsea team-mates ahead of Sunday’s Wembley clash against Arsenal.

Costa picked up a slight hamstring problem in the 2-2 draw with Barcelona and there were fears he would have to sit out the traditional curtain-raiser at 3pm on Sunday afternoon but as you can see below he was training fully with his team-mates. see photos after the cut...