The former Manchester United star returned to the Theatre of Dreams for a second time with another club and clinched victory again, this time with Juventus.
But one supporter was so keen to catch a glimpse of his idol, he ran into the 33-year-old.
He ran from the Stretford End while being pursued by stewards and Ronaldo exchanged frank words with him as he was tackled by security.
Paulo Dybala netted the winner from a deflected Cristiano cross as the Old Lady gave United their first Champions League defeat of the season.
But in reality the 1-0 final scoreline did not reflect the gulf in quality between the two sides.