Arsenal's Champions League ambitions hinge on more than just a prolific attack. According to Match of the Day pundit Stephen Warnock, the often-overlooked brilliance of goalkeeper David Raya could be the decisive factor in their quest for European glory.

While the spotlight frequently shines on the Gunners' dynamic forwards, a team's foundation is built from the back. Raya's composure and exceptional distribution have transformed Arsenal's build-up play, allowing them to control the tempo against Europe's elite. His ability to act as an 11th outfield player with his precise passing is a modern tactical necessity at the highest level.

In the high-stakes knockout stages, where a single mistake can be catastrophic, a reliable last line of defense is priceless. Raya's shot-stopping and command of his area provide the defensive stability that gives the entire team the confidence to push forward. As Arsenal navigate the path to Wembley, having an 'outstanding' and calm presence between the posts might just be their ultimate secret weapon.