Chelsea need to be much more active in the transfer market now. They even need to be the most active team among the top teams of the league. Because they have parted ways with many players in this transfer window. They will need to replace them with solid alternatives as soon as possible. They are in a rebuilding process in short.
Pochettino has a big responsibility to carry this team to the place where they need to be. Chelsea wouldn't target the league title for now of course. The first step will be to finish a season in top 4. They still need time to be able to fight for bigger goals after leaving a poor season behind.
There are a lot of players in the same boat. Whether it's in the final 12 months or two years of their deal, Chelsea are considering moving on a number of unwanted players. But I don’t know if they have transfer targets these summer to replace the outgoings. They have lost so many players and more are still leaving. At this point, I don’t understand what Todd Boehly and Pochettino have in plans for the fans. They need to reinforce the midfield and it’s only the name of Moises Caceido that have been linked to them, while they need more than 2 players for them to compete next season.