Ronaldo made his second debut for United on Saturday afternoon and scored twice in a 4-1 win over Newcastle.
His second goal was a trademark burst into the Magpies box, latching onto Luke Shaw's pass before firing between Freddie Woodman's legs.
Since then, @PIPARS__ on Twitter has pinpointed a game for Juventus last season which saw Ronaldo make the exact same run.
The 36-year-old can be seen running alongside Federico Chiesa as Juventus looked to score on the counter.
He keeps up with Chiesa, who decides to attempt a pass to Alvaro Morata.
It was the wrong pass and the opposing goalkeeper manages to scoop the ball up, much to Ronaldo's frustration.
You can even see him throw his arms up and point to where he wanted the ball.
Fans have reacted to the clip and they think it's proof Juventus didn't know what they had with the five-time Ballon d'Or winner.
People. Look at the intensity of the Premier League compare to Serie A. Sprinting vs Jogging. https://t.co/WdGg9RNb9F- CJ:palm_tree::flag_bb: (@Utd_Savage21) September 13, 2021
I got frustrated watching the bottom clip :sob: https://t.co/5TcH1CZiG6- Galacticoⵣ (inactive) (@GalacticoRM7) September 13, 2021
juventus bought a gun without the proper ammunition https://t.co/z1jTxNS7Sh- zay (@mpk4) September 12, 2021
We had to watch that week in week out, I hope Juve management realise their mistakes, they could have had a beast at work https://t.co/PqfEXLT6DK- :flag_pt: (@lconicCristiano) September 12, 2021
While United are top of the Premier League and buoyed by Ronaldo's return, Juventus are struggling in Serie A.
They set 16th in the table after their first three games and are yet to win.
Saturday saw Max Allegri's side slump to a 2-1 defeat against Napoli and prior to the game, he shrugged off Ronaldo's departure.
"Ronaldo didn't want to play for Juventus anymore, so he returned to United," Allegri said per Football-Italia.
"It would have been his last season at Juventus, so we anticipated what we would have done next summer.
"Cristiano spent three amazing years at Juventus and we wish him the best, but life goes on.
"I don't like to think about what could have happened, in life, you need to be practical. Here at Juventus, the group has always won trophies, not the single footballer.
"We have this characteristic in our DNA made of self-love and sacrifice. In order to be competitive and win, we must have ambition and passion."
Featured Image Credit: @PIPARS__/Twitter
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