More than anything physical or technical, it is the freedom Ronaldo played with, the audacity and imagination and risk-taking, that most stood out to Rashford. "He has courage and he's fast and is very good with the ball", Ronaldo said, shortly after Rashford broke into United's first team with a bang.
His work rate is one that certainly agrees with the decision with the 20-year-old having found the back of the net 26 times in 89 appearances.
Recounting the night he watched the double-World Cup victor score a memorable hat-trick, Rashford says: "My first ever game that I saw live, he was playing in it".
"I've worked with Marcus and seen him at close hand and how much of a talent he is". Because Rashford has grown into a player who has earned comparisons with Ronaldo, most importantly from el fenomeno himself.
"He was obviously a top player who won a lot of things in his career", he said.
The ex-Real Madrid and Barcelona superstar praised Rashford in the summer and the Englishman was blown away. Now 41, Ronaldo is likely to be at Wembley to see the player he speaks so highly of in the flesh.
Rashford "naturally" picked up tips from watching clips of the Brazilian on YouTube. It was in 2003.
GETTY Rashford idolised Brazilian legend Ronaldo after seeing him in action at Old Trafford
Rashford is nearly certain to score a hat-trick against Real Madrid in the Champions League now. I was only young though.
Marcus Rashford was five years old when his older brother Dwaine took him to see Ronaldo, the original one, play at Old Trafford, for his first ever football match.
'I think you [learn] naturally.
"With Ronaldo, I liked how he always played free".
They are two special talents in their own right and will, as time goes by, find themselves moulded further by two very different managerial styles that, actually, you can not use as a basis for arguing about who is better than who. "No matter where he was playing, he played free and went out there and expressed himself".