Chelsea have just one first-team player unavailable for our trip to the Emirates tomorrow. You can follow our coverage of the game on Twitter @TalkChelsea. Injuries plagued Chelsea over the festive period, as they often do with the busy schedule that English teams are forced to endure. Thankfully for Maurizio Sarri, he has been provided with a little respite from the continuous muscle damage sustained by his players. With Chelsea travelling across London to face fifth-place Arsenal tomorrow evening…