"I've taken a long road to get here, from Serie C2 to B, A, Premier League and now Juventus".
Sarri coached Juventus' rivals Napoli between 2015 and 2018 and almost broke their stranglehold on the league in his final season.
His opinion-splitting "Sarri-Ball" methods saw large sections of Chelsea's fanbase turn on Sarri over the course of the campaign, with the form of the capital giants having often proven frustratingly-patchy.
"Juventus are the most important team in Italy and their offer is the culmination of a very long career, 80 percent of which was very hard. Then I had a doubt and my feeling was my journey there was over", he explained.
The Italian champions are keen on the brand of football Sarri imposed during three years at Napoli when only Juventus' remarkable consistency prevented the Neapolitans from a first league crown since the days when Diego Maradona graced the San Paolo pitch.
"I gave 110% but we still couldn't do it. I'd like to help him break some new records".
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The name arose after the four took to the stage together at the first - and so far only - Royal Foundation forum in London in February 2018.
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At €70m, it would nudge aside their previous biggest fee of €67m (£60m) paid to Leicester City for Riyad Mahrez last summer. Mikel Arteta has likened Manchester City transfer target Rodri to Barcelona midfielder Sergio Busquets .
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For a young player who all he knows is Crystal Palace academy, Crystal Palace first team, it would be daft not to say that in some way he must think about it.
The Italian takes charge of a Juventus team with some big personalities, but none bigger than arguably the best player in the world in Cristiano Ronaldo.
Despite leading Chelsea to third place in the Premier League and signing off by winning the UEFA Europa League title, Sarri never looked at ease in London as he struggled to implement his own-brand "Sarriball" style and win over the Stamford Bridge faithful.
"You have to start with the talented players who can make the difference like Cristiano Ronaldo, Paulo Dybala and Douglas Costa and build around them", Sarri said.
Juventus director Fabio Paratici said hiring Sarri to replace Allegri was a straightforward decision.
"We chose Sarri because we feel he is the best manager for Juventus right now".