Choose Starting Formation
Select the menu item "The Season" and click on “Gamedays".
Open the 3-dot menu of the respective game.
Go to the tab “Starting Line Up” and choose between an already existing formation or a new one.
Click on “Create Starting Line Up”, if you want to add a new formation for this gameday.
Click on “Add existing Starting Line Up”, if you want to select a formation from your database.
Pick the right formation for your team and click on “Add to gameday”.
Even after adding a Starting Line Up to the gameday, it can always be edited by clicking “Edit Starting Line Up”.