At present, the news of Messi's transfer to Manchester City is heavy, but it's hard to say whether it can be finally achieved, so city will also consume more energy. But Chelsea are basically in place, from this point of view, the Blues will be better prepared. Chilwell has played in the Premier League for many years, so it doesn't need too much time to adapt. The reinforcement of this position is also very important, because this position has always been the unstable place in the game. After the strong reinforcements are in place, the left brake of the team doesn't need to worry any more, and the current configuration rotation is no problem.