Just 28 days after being belatedly confirmed as Antonio Conte's successor, the Italian got his first taste of the English top-flight in West Yorkshire.
Jorginho's arrival saw N'Golo Kante move into a slightly more advanced role, and while he adapted characteristically well, popping up at the back post to volley home the opener in the 34th minute, Chelsea struggled to play through midfield.
Pedro added the icing on the cake with 10 minutes left, having been teed up by Eden Hazard - who came on as a substitute and immediately went about tormenting Huddersfield defenders. You can see his first Chelsea goal by clicking here.
"In the first half we started on the front foot, where we really wanted to be active", he said.
There was barely a save to make for Kepa Arrizabalaga, who became the world's most expensive goalkeeper when he joined Chelsea for €80 million euros (NZ$138m) from Athletic Bilbao earlier in the week.
"From the physical point of view, it's different", the Chelsea boss said, comparing the Premier League to Serie A.
The 26-year-old was one of the best players at the World Cup in Russian Federation but he did not return for training at Chelsea according to the Metro.
"I have to respect the characteristics of the players, I have to adapt myself to the characteristics of the championship and of the players, so now I am studying my players".
"It was a disappointing afternoon", said Wagner. "We have passion, commitment and desire".
Alex Pritchard was a unsafe creative force in the final third, Steve Mounié came close on three occasions and hit the post with a close-range header just minutes after Kanté opened the scoring. We hit the bar twice - once when we were 1-0 down after conceding a very unlucky goal from a deflection.
USA defender Yedlin limped out of the game with a knee injury in the final minutes, and Newcastle, down to 10 men, could not find an equaliser.
"This was a goal that was easily avoidable because we have spoken about this situation the whole week, how we like to defend, and we have seen we have to be switched on". You can't do that against Chelsea because they will hurt you, and that's exactly what they did. "The best capacity was to suffer, but then I think the second half maybe they were exhausted".
Chelsea's second came after Schindler had tripped Marcos Alonso, referee Chris Kavanagh being berated for the decision but he got the ball right.
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