Watch: 'Gladbach capitalises on rare Busquets error to shock Barcelona

Keep this video somewhere safe and lock it away, because you may never see something like it again.

Barcelona midfielder Sergio Busquets had his pants pulled down by Borussia Monchengladbach on Wednesday, as the lordly Spaniard was caught in possession when 'Gladbach pounced on his error to hit the Blaugrana with a blistering counter-attack.

Classic work from Andre Schubert's side, as Thorgan Hazard put an emphatic exclamation mark on the move.