The 2014 World Cup is just reaching its conclusion, and there are a handful of Chelsea stars who are still playing an important part in the campaigns of their respective countries.
However, once the tournament ends, we will return to domestic football and discover which of this summer's World Cup stars—and even those who did not shine—will make an impact for their clubs.
Chelsea will be once again challenging for the Premier League title, looking for their first league trophy in five years. If they are to be victorious next May, they will need a few of their key players to step up and make their marks on the season.
The strength of a whole squad is important in a title chase, but there are always players who are simply indispensable and make the difference when the team needs a big performance.
Who are Chelsea's key players this season? Who are the ones who will step forward and change a game?
Here are Chelsea's three most important players for the 2014/15 season.