How to Play a Back Four

Poro and Perisich are wingbacks. It wasn't the right time to experiment. They've had a warning that was two weeks ago. I just think it was madness. In a back four against Newcastle, we're going to be on the front foot. Some teams take a whole pre-season to prep for a system. Chelsea January 2022, I'm being told. What would they have started the game like that? Or they have made the changes to go back four? I'm not sure, but they did move to a back four. Did they last week when it wasn't working against Bormouth? After the Bormouth game, they've had like three or