It was the silence that was striking. Save for the Atletico Madrid supporters high up in the half-finished Camp Nou, the atmosphere had been sucked from the stadium. Barcelona deflated and defeated by their old foe Diego Simeone on a night of firsts.

For Barcelona, their first failure to win since returning here and the first time that they had failed to score in a home game anywhere since 2024. For Atletico, a first win over Barca at Camp Nou under Simeone and a first clean sheet in this season's competition.

This 2-0 win for Atleti in the first leg of their Champions League quarter-final was a shock - and not just to the Barcelona fans full of expectation against opposition that they had beaten here 3-0 last month and 2-1 over in Madrid as recently as the weekend.

• Flick fumes as Atletico stun Barca
• As it happened | Teams | Stats

Atletico's away form has undermined them for much of this campaign. There has been a softness at the back that would be regarded as uncharacteristic for those who remember Simeone's sides that grafted their way to finals in both 2014 and 2016.

A decade on and while the coach remains and...