Chelsea are off the mark in the transfer window with the £50million signing of Raheem Sterling, as the new era under Todd Boehly begins.
The Blues are expected to complete a deal for Napoli defender Kalidou Koulibaly in the coming days and they're targeting more names to bolster their squad.
Boss Thomas Tuchel has also added to his squad just by Conor Gallagher returning from his impressive loan spell with Crystal Palace and declaring his desire to challenge for a place in the squad.
Sportsmail takes a look into the strength and depth of the current Blues squad, what areas they still need to do business, and what players they need to try move on to improve this season.