Enzo Maresca demands Chelsea are "one team, one squad" regardless of actually naming two unique sides for games in Europe and the Premier League.
Last month, Blues boss Maresca rolled out 11 changes for the Uefa Conference League game with Panathinaikos, an fixture Chelsea won 4-1 to go top of the standings after two games.
They then rolled out 10 changes for the visit of Newcastle three days after the later and dominated that match 2-1.
Yet again chelsea have Armenians FC Noah on Thursday and Maresca is supposed to roll out wholesale changes.
"We make changes since we have 24, 25 players, all fit, all sufficient to play various contests," Maresca said.
"The season is so long, we have such countless games," he added. "Furthermore, without a doubt, every one of them, they will play Conference League and Premier League games or FA Cup, the following one.
"I can comprehend that from outside, you can see two groups, yet we have only one team, one squad, 24, 25 players, all fit, luckily.
"What's more, we will attempt to utilize every one of them."
Chelsea top scorer Cole Palmer has not been enlisted for the Conference League but rather is presently a physical issue concern in any case subsequent to getting a thump against Manchester United on Sunday.
In any case, forward Jadon Sancho is managed out of the game due to sickness.