"We are not a physical team so for 20 minutes we were in trouble but we did very well", Sarri said. As such, the fact they won 3-0 anyway is a good sign that the acclimatisation period might not be too calamitous.
But manager Mauricio Pochettino has insisted he is happy just to have retained a host of players who excelled at the World Cup and it was two of them who handed Spurs all three points at Newcastle.
Huddersfield went close to a quick equaliser when Steve Mounie's header hit the post. Alonso broke into the box and was tripped by Christopher Schindler.More news: Seattle Airport Employee Takes Off In Stolen Plane, Crashes Nearby
Hazard came on for Willian for just his second outing since the World Cup and poked a pass through the legs of Terence Kongolo for Pedro to lift Chelsea's third beyond Hamer and round off a routine win. The Belgian worldwide broke down the middle and patiently waited for the right opportunity to pass before playing in Pedro, who dinked a nice finish.
Asked what problems he expects to face, Sarri replied: "On the results".
Pereyra, who scored five goals in 18 league appearances for Watford last season, volleyed home from a corner by Jose Holebas in the 35th minute before doubling the lead with an unmarked finish in the 54th.
The Frenchman was replaced in the hole by new signing Jorginho, who has followed his manager from Napoli to south-west London. And it was a great display from the Brazil-born Italian worldwide.
Two of Chelsea's summer signings - club-record purchase Kepa Arrizabalaga from Athletic Bilbao and Real Madrid loanee Mateo Kovacic - only arrived at Cobham on Wednesday, and Sarri admitted that he will need more time to get his new players up to speed with his ideas.More news: Anderson`s fifer knocks India out for 107 in Lord`s Test
And while it nearly certainly wasn't Sarri's primary motivation for bringing in Jorginho, it is a shift that could be enormously positive. Under Sarri, they could be maximised.
MF Ross Barkley, 7 - It's clear that Barkley is fully fit and the qualities he once displayed for Everton were very much in evidence as he played with composed intelligence in midfield.
Then Kante popped up with his goal to prove his "no end product" critics wrong. On Saturday, for Huddersfield, it was a little of both.
"The first half was hard". Yet, they didn't test Chelsea debutant Kepa Arrizabagala almost enough.
Chelsea's new No. 1 had one shot straight at him and a tricky cross to deal with, but beyond the chance that saw Mounie hit the post and a couple of interventions with his feet, he had a relatively leisurely afternoon. "We kept them away from our goal and as I said they scored out of nothing".More news: Team gives medication to sick killer whale at sea