It is clear to everyone who watched Chelsea last season what their main issue was that held them back on the pitch.
Injuries plagued the squad from start to finish last season, with some key names hardly kicking a ball for the club.
Romeo Lavia featured for just 45 minutes at Stamford Bridge last season, while the likes of Christopher Nkunku and Reece James were restricted heavily when it came to their gametime.
That trio seem to have started pre-season okay for now in terms of fitness, however that luck has not spread throughout the whole squad.
Kiernan Dewsbury-Hall is yet to make his first appearance for Chelsea since joining this summer from Leicester City.

Dewsbury-Hall emerged as a transfer target as soon as Enzo Maresca took charge, suggesting that the new boss had some say in bringing him in.
The midfielder was described at his former club as ‘amazing’, and the Italian will no doubt be keen to take a look at him amongst his new teammates.
Chelsea cautious over Kiernan Dewsbury-Hall injury
While he is yet to make his mark for his new club in pre-season, journalist Kieran Gill has stated that the Blues have been cautious not to push him too quickly back into action.
He said: “Kiernan Dewsbury-Hall closing in on first Chelsea appearance. Chelsea been cautious with £30m midfielder but seen as ahead of schedule in recovery from ankle injury.
“Friendly vs Club America this week followed by Manchester City and Real Madrid in USA.”
Nicolas Jackson set to return from injury
The same fate has met striker Nicolas Jackson up to now too, however he is reportedly likely to return in one of the next two or three friendlies.
Competition for places in the middle of the park is going to be fierce this season at Stamford Bridge, with last season’s regular starters under pressure from a number of others.
Dewsbury-Hall is certainly one of these, while Lavia will also be hoping to make more of an impact if he can stay fit this season.
A rough performance for Lavia last time out against Celtic will have no doubt left him hungry to achieve more in the next friendly against Club America.
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