Overview of Arsenal's 3-2-5 Formation in Possession Arsenal's 3-2-5 formation in possession is a tactical approach that emphasizes width, fluidity, and numerical superiority in attacking phases. This structure allows the team to maintain control of the ball while creating multiple passing options. Key Components of the 3-2-5 Formation Defensive Line Three Center-Backs: The three central defenders provide stability and cover against counter-attacks. Ball-Playing Defenders: