Set pieces can still be a weapon but if they are to turn their year into their era, Mikel Arteta must create a more expansive team

Arsenal's immovable object meets the unstoppable force of Paris Saint-Germain in Saturday's Champions League final offering a pronounced clash of styles.

The Gunners have conceded only 6 goals in 14 matches and are unbeaten – by contrast their opponents let in 22 through the tournament.