And Ronaldo certainly showed no signs of rustiness after his break as he opened the scoring for the first team just eight minutes into the game.
Chants of "Ronaldo, bring us the Champions (League)" filled the air as supporters worked their way through a locked-down mountain town in which 600 police officers were called to a place with a population of just over 4,000 and road blocks stopped anyone entering without a match ticket or proof of residence.
"I've been coming here since I was 12 years old back in the 1960s, when (Gianni) Agnelli would arrive here in a helicopter", he said.
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Jose Mourinho's United emerged winners over a spirited Leicester in the season-opening Premier League fixture at Old Trafford. I'm happy about the performance but it would have been better to win or draw for our fans.
He was all alone and finished into the left side of the goal easily.
How many goals do you think Ronaldo will score this season?
The five-time Ballon d'Or victor didn't waste much time getting into the good graces of his new supporters, as he found the net just eight minutes into his Juventus debut in a 3-2 friendly defeat by Juventus B.
"Maybe. Of course, it helps when you see the people like you, the supporters and club like you, the feeling is completely different".
Stats Canada labour survey show slight rise in Windsor jobless rate
The national average saw a 0.2 per cent change from last month's figures as well - but in the opposite direction. Compared to a year ago in July, unemployment has decreased by 2.6 per cent from 7.1 per cent for the area.
Ronaldo and Juan Cuadrado were then frustrated in front of goal, but Dybala took advantage of their misses to convert for Juve's fourth on 40 minutes.
After the game, fans at the game, who had come in their numbers to catch a glimpse of their new number 7, flooded onto the pitch.
Juventus kick off their Serie A title defence at Chievo next Saturday and all eyes will be on Cristiano Ronaldo to see if he can replicate his incredible La Liga goalscoring form in Serie A. Spoiler, he probably can. Ronaldo was mobbed as fans attempted to grab a selfie with him.
Ronaldo will make his first appearance for the Serie A champions.
Global Stocks Drop Amid Concerns About Turkey
Rite Aid fell 10.9 percent after the drug store chain and USA grocer Albertsons Cos agreed to terminate their merger agreement. For the week, the Dow Jones reported a loss of 0.6%, the S&P 500 reported a loss of 0.3% and the Nasdaq Composite gained 0.4%.