Sarri admitted his side's defensive display as they surrendered a 2-0 lead was "horrible", as the Italian offered up this honest assessment of a insane game.
"The attacking moment is all the team and the defensive moment is all the team".
Arsenal boss Unai Emery said: 'We want to win.
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"I think the result is 3-2, but we also think we did chances to do more score".
'They played better at the end but in the second half we were the better team'.
Perhaps Emery is right to be preaching patience and "calm". After all, this is a club that has consistently dispelled the myth that stability is the most crucial ingredient for success.
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Sarri's arrival, following Conte's exit, is simply more of the same. "In the process, I'm sure he is going to do a good game".
Sarri said: 'Very important.
Speaking ahead of his first outing as Chelsea boss at Stamford Bridge, Sarri was quick to single out Kovacic for praise.
"We have to improve", he said.
"We have to improve because I think we did really very well in the first 25 minutes today, but we need to continue to press and press and press in the other half".
"Three points is an important target for us, we did very well for 75 minutes but inside that, 15 minutes were terrible", he stated. Because if we press very high, we are able to do well.
Eden Hazard started on the bench for Chelsea again on Saturday, but came on in the second half with devastating impact.
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His team are already off the pace, though, and that will be a worry for him as the season begins to kick into gear.