Arsenal are sweating on the fitness of captain Pierre-Emerick Aubameyang ahead of their Boxing Day Premier League clash with London rivals Chelsea.
The forward has missed the last two games with a calf injury and boss Mikel Arteta will be keen to have him back as the Gunners look to address their poor run of form, which has landed them 15th in the table having gone seven league games without a win since beating Manchester United 1-0 at Old Trafford on November 1.
'Auba is working hard with our medical team in order to regain full fitness as soon as possible,' Arsenal's update read.