The Blaugrana were 4 - 0 down ahead of the second leg at Camp Nou .
Blaugrana scored three goals at the death to seal a sensational 6 - 5 victory on aggregate and reach the quarter - finals of the competition .
The Blaugrana were 4 - 0 down ahead of the second leg at Camp Nou , but they scored three goals at the death to seal a sensational 6 - 5 victory on aggregate and reach the quarter - finals of the competition .