Many of our players are currently away on international duty and they have been training hard as they prepare to represent their countries for the final time in 2019.
The final standings in the Euro 2020 qualification groups will be determined in the coming days, with England knowing victory over Montenegro at Wembley tomorrow will seal their place at next summer's showpiece. There are also big games ahead for Croatia, France, and Denmark.
Chelsea's internationals - who is away?
We have picked out the best images of our players on duty with their national team this week, starting with the quartet of young Blues in Gareth Southgate's England squad...