Manchester United added to the pressure on Chelsea manager Maurizio Sarri by beating the holders 2-0 at Stamford Bridge to reach the FA Cup quarter-finals.
The Red Devils scored twice on the counter-attack in the first half through Ander Herrera and Paul Pogba.
Despite dominating possession, the home side failed to seriously test United goalkeeper Sergio Romero, BBC reports.
And Blues fans chanted “you don’t know what you’re doing” at Sarri as his side fell to a third defeat in five matches.