"That's why Sarri talked about "fun" football because he wants to build from the back".
Willian was not satisfied regarding Antonio Conte's coaching.More news: India's Modi announces space mission, health scheme as election nears
"Now we have to continue like that because next week, we have a great game to play against Arsenal [on Saturday] and we want to win again".
'So, even during the holidays, we were thinking and talking about how to adapt. I think so. We have a lot of players with quality up front, like Eden Hazard and Pedro. They have worked together before and enjoy an excellent relationship, with the manager signing him from Shakhtar Donetsk in 2013 and using him effectively during Chelsea's title triumph in 2015.
'The best way to always keep your position (in the team) is to remain focused and have the same attitude towards everyone.More news: Akshay Kumar's Film Reviewed By Virender Sehwag: 'Sold On Gold'
World Cup winning star N'Golo Kante got the Blues started in the 34th minute through a close range jab into the net.
Willian emphasised the fact that he would have left Chelsea if Antonio Conte had not been fired.
The former Leicester City man, who played every match in Russian Federation, says the privilege of representing his country is "worth more than money can ever buy" and it remains a motivation for him to perform at club level.More news: Erdogan says Turkey to 'boycott' USA electronic goods
Chelsea host Arsenal in their next Premier League game on Saturday (5.30pm). "I will only leave if Chelsea want me to go".