"I think we need something", he said.
"I think he has the potential to stay with us, play with us and improve with us".
"We saw in pre-season against Bayern Munich and Borussia Dortmund that he is at a good level".
"The team already in a short time plays like he wants", the City boss said.
Willian, having reported five days later for pre-season training citing a problem with his passport, has escaped a club fine and left the new manager with the impression he will be here for the season despite interest from Real Madrid.
Chelsea take on Manchester City in the Community Shield on Sunday before kicking off their domestic campaign on Saturday, August 11 at Huddersfield Town. Antonio [Conte] was, Maurizio will be too.
And to really kill the rumours linking the wantaway winger to United and Barcelona, Sarri had an assured response when asked if he was confident that the right winger would stay at the club.
"The way he plays, I think will be flawless for English football".
And France World Cup winners N'Golo Kante and Olivier Giroud, Belgium trio Eden Hazard, Thibaut Courtois and Michy Batshuayi, plus England's Gary Cahill, are yet to return following the World Cup.
"After overhauling the squad in the previous two years, it is now about evolution more than revolution, with City making a solitary signing".
"The Premier League is the most competitive of Europe's top leagues".
First up we start with Tosin.
"The match is very hard for one reason: they have worked together for two years and we started two-and-a-half weeks ago, so for us it will be a very hard match".
Director of Football Txiki Begiristain added: "Gabriel is undoubtedly one of the best young forwards in world football, so to have him commit his future to us is a huge boost. Or so the theory went before City won it by 19 points last season", Richard Jolly scribes.