Italian boss Sarri was at the centre of the Stamford Bridge fury as Ander Herrera and Paul Pogba both netted to dump the Blues out of the cup in the fifth round.
Sarri has overseen a poor run of form from the Blues which has seen them lose three of their last four games – with their only wins coming against Malmo and Premier League
basement side Huddersfield .
The Blues have been on the receiving end of a 4-0 thrashing at the hands of Bournemouth and a 6-0 hammering by
Manchester City last weekend.
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And the frustration from the stands over the abysmal results saw Blues fans’ annoyance boil over during the second half against United.
They started with a cry of “You don’t know what you’re doing” before launching a chant of “F**k Sarri-ball, F**k Sarri- ball, F**k Sarri-ball, F**k Sarri-ball.”
The shouts in response to Sarri’s famous style of football which worked wonders in Serie A with Napoli last season
The Chelsea terraces made their opinions clear on who they want to take his place in the dugout as they chanted for Frank Lampard – who was watching in the crowd with fellow Blues legend John Terry.
The final indignation saw a mass evacuation long before the final whistle.