Barcelona came to demolish Feyenoord and did exactly that, storming to a 5-1 victory in this UEFA Champions League knockout tie. The designated home side were ruthless from the opening moments, with Raphael Dias Belloli getting them rolling inside three minutes after a Lamine Yamal assist. Karim Adeyemi doubled it just before the quarter-hour mark, finished off a João Cancelo cross, and when Dias Belloli headed in his second of the night from a Pedri setup on 57 minutes, it was already game over. Yamal capped off a man-of-the-match showing with a solo goal on 77 minutes before Gabriel Jesus added the fifth late on, also assisted by Yamal. Sem Steijn's finish just after the hour break gave Feyenoord a consolation, but there was never any real jeopardy once Barcelona's dominance became clear.

Our model had predicted a 3-1 Barcelona win, assigning them a 72% chance of victory before kickoff — a strong lean toward the designated home side, but not a forecast of a blowout. They got the result direction spot on but badly underestimated the margin. Barcelona's form at home — and their clear superiority in squad depth for a knockout tie — looked about right on the night, yet the sheer gulf that opened up, particularly after halftime, was beyond what the model had weighted. The early goal to Dias Belloli and the subsequent defensive stability meant Barcelona could play freely, and Feyenoord never had the platform to mount any comeback threat. It's a reminder that in European knockout football, the difference between a strong win and a demolition can hinge on whether the first goal arrives and how quickly a weaker side's morale cracks.