If Maresca didn’t perform well in the first season, then we should expect him to be fired just the way Pochettino was fired. Chelsea doesn’t have patience with their coaches, so if Maresca doesn’t perform well, then he will also be leaving, which is really affecting Chelsea. A coach can’t just fix everything within a season, if the first season of a coach isn’t really good, then the coach should be given more time. Pochettino's performance wasn’t really bad towards the end of last season, which means he was already getting the Perfect squad for Chelsea, but he has been sacked, and the new coach will have to start building his own squad, which might really take time.
I don’t think that will happen this time because I am sure the Chelsea management would have learn some lessons in their last two season where they do change managers anyhow without given them enough time to balance the team. The management follow hype to sign both players and the coaches they have sacked already which is why the team failed to gain balance; but I think the will try to give Enzo Maresca some time because they will be expecting a good performance from him since he is able to win Championship with Leicester City.
So I am not expecting Chelsea to play anything special next season because the coach will have to start building his squad, and it’s not really going to be easy for him to adapt to new players.
Yes, even though they have to build the team, I think with the players they already have, the manager might do something good next season even though top four might not be sure for them.