Ronaldo was on the bench for the 2-1 win over Liverpool, coming on as a late substitute for Marcus Rashford.
But the five-time Ballon d'Or winner found himself in the headlines pre-match when he snubbed Liverpool legend Carragher.
Ronaldo was warming up near the touchline where Sky Sports' team of pundits, including his former captains Gary Neville and Roy Keane, were situated.
But while he embraced his two ex teammates, Carragher got a big custard pie.
"A nice conversation with you Jamie I thought," joked presenter Dave Jones, with Carragher adding he had been "totally blanked".
It was bad on live television in Sky's MNF coverage but new footage shows it was even more awkward.
In a video doing the rounds on social media, Carragher can be seen holding out his microphone to try and get a word from Ronaldo, who he thinks United should get rid of.
Ronaldo was not having it and looked quite painful. Jones also did his best to try and secure a pre-match pitchside interview but was unsuccessful.
Keane, who was shaking hands with everyone like he was the mayor of Manchester, said it was a "pleasure" to see Ronaldo and told him to "take it easy".
United legend Rio Ferdinand reckons Ronaldo's avoidance of Carragher was very much deliberate and was done in response to his comments.
“Knowing Cristiano Ronaldo, Jamie Carragher’s been very vocal about Cristiano Ronaldo being the problem and stuff like that,” Ferdinand said on his FIVE podcast.
“Trust me, Cristiano would’ve seen those comments and would’ve been thinking walking over there: ‘I’ll just let this guy know with a little…,’ he needs to kind of calm him down, humiliate him and show him up, whatever way you want to dress it up live on TV.
“Cristiano is very calculated, he’s very aware of what’s going on, he’s not somebody who sits at home and switches off.”
Ronaldo continues to be linked with a move away but it seems as though time is running out, with the transfer deadline day looming.
He was told of his axing from the starting XI on Thursday in a two-hour meeting where Erik ten Hag encouraged the squad to speak their mind.
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