Pochettino didn't impress Chelsea's management earlier in the Premier League with a good performance, and at that time, his job was at risk because he wasn't getting positive results. But since Chelsea's performance took a new shape at the end of the Premier League season, making them overtake Manchester United in the Premier League table, Chelsea management should have allowed Pochettino to remain as Chelsea head coach because he has gotten the tactics that will help Chelsea perform better next season. I was surprised when I heard that Pochettino left Chelsea by mutual agreement. It will be hard for a new coach to adapt to this young Chelsea squad.
Pochettino was even lucky to stay till the end of the season, if it had been Abramovich before the end of last year and let's say 2 week of January this year the man Pochettino would have been kicked out of the managerial role. The way Chelsea played wasn't something such a man (Abramovich) would take likely but Todd Boehly wasn't the man who knows when to act and if they bring in a new coach, I feel it will be the players who would find it difficult to adapt by the new Manager's pattern.
At the end of the season, Chelsea development showed better performance and Pochettino was at least able to bring Chelsea to much better finish, but all of this is not considered an achievement and on the other hand Chelsea will not be able to take part in important competitions such as the UCL or Liga Europe the next season, this is one of the reasons for Pochettino departure.
But on the other hand, if I myself assess in more depth, the real problem that occurs at Chelsea and causes it to be difficult to develop is the decision of Todd Boehly as the owner of Chelsea.
Todd Boehly has been in control of Chelsea for two years and during his time under Todd Boehly ownership there have been around 4 coaches who have taken turns managing Chelsea, clearly this is not good thing because if judge the increase in performance in just one season or less then it will not can be seen significantly.
It takes at least 2 season to be able to show development and be able to assess how the coach is performing in building and directing football team on the right track.
I think in the future if Todd Boehly continues to do the same thing and is not satisfied with the performance of the coach who has only been in charge for no more than 1 season then it will be impossible for Chelsea to show its best performance.
I was amazed by Chelsea at the end of this season under Pochettino, but knowing that next season there will be new coach because of Pochettino departure makes me doubt whether Chelsea will be able to change to be much better than now.
Chelsea is very close to making a deal with new manager ENZO according to Sky Sports it is not confirmed yet. but the way Pochettino runs Chelsea team is remarkable and their performance improved in EPL last games.