Of course, it is at this time of year that football shifts up a gear with games coming thick and fast.
And on Christmas Day, while most of the nation are preparing their Christmas dinners, the players and coaching staff will be out training ahead of the Boxing Day schedule.
Pep Guardiola put the players through their paces at the CFA on Christmas Eve and will do the same again on December 25.
With Leicester, Brentford and Arsenal all to come in the next week, it's business as usual for the Premier League leaders who will need to be at their sharpest for the festive fixtures that can sometimes define a title race.
Enjoy the best of the session in our gallery below. ...and a very Happy Christmas to Blues everywhere!