"I think Chelsea changed a lot", Makelele told reporters.
Added to those formidable historical statistics are some impressive current ones, Sarri's men completing more passes (2677) than any other side in the division, a number that represents just how the new boss is asking them to play.
The Italian has made a ideal start to life at Stamford Bridge, winning all four of his games so far.
Luiz will be aiming to build on the clean sheet that Chelsea managed to keep against Bournemouth as they prepare for more challenges in the coming weeks.
Chelsea return to domestic action against Cardiff City on Saturday, and Sarri expects a tough game for his returning players. Rested by Argentina during the worldwide break, he will expect to hit the net at home to defensively questionable Fulham.More news: Meghan Markle May Have Just Performed the Ultimate Royal Duty
"Mentally the match after the (international) break it is very hard; materially because we will play against a very physical team", he said.
"Fortunately in the last season, the average was the same: 2.4 in the season, 2.45 after the break".
"If he wants to play for another season, it's right he tries to play". I have won titles and played a lot of games with a lot of happy moments, and a few sad moments as well but that is part of football. "My feeling during training is that this team can improve".
'I see Ethan as not dissimilar to Ray Wilkins.
If Conte had remained at Stamford Bridge, it is unlikely that Luiz would still be at the club, but the 31-year-old is now one of the club's most important players again.More news: Met Office: Isaac now a weak tropical storm
"For me, it's a pleasure", Sarri said when asked if his days are long.
"I'm sure he'll be able to prove how good he is and show what he did at Monaco. It's 12 or 13 hours, but for me it's not working".
Sarri made it clear upon his arrival at Chelsea that a new captain would be elected to replace Cahill.
"If there is a pitch and there are 11 players, I feel at home anywhere", he said. "For the moment, I'm really very happy to stay here".More news: Guardiola: Sterling knows what Man City think of him