However, speaking to BBC Breakfast this morning, Ferdinand implied that such aspirations were perhaps a tad lofty, instead confirming he would aim merely to be granted a professional boxing licence and fight once, to begin with.
"My age is just a number, I feel like a young boy. In my shoes is written a special message: ' The dream of a child ', gives me a great charge read this phrase ". It was an unbelievable day. It was a great day. "The most handsome moment is that immediately after triumph in last final of Champions in Cardiff (against Juve, NDR), we had just written story, after triple whistle felt that we had sent a message to world, but immediately after my son came into Field and re emotions changed, we took Champions trophy toger and we walked in hand field in hand". We work 10, 11 months and if you win nothing you feel empty and I like to win trophies - as a collective and as an individual, because I work hard for that.
"I just thought in my mind I want to go there to show my level, to show that I'm a different player and that's what I did", said Ronaldo, who has won three Champions League titles since leaving Manchester United.
The Portugal captain will be looking to drag Madrid back towards to the top of La Liga after a stuttering start by Zinedine Zidane's team - Ronaldo was suspended for the first four matches, and is yet to score since returning against Real Betis.
Then Rio asked Ronaldo about his ambitions for his post-playing career, and where does he see himself ten years from now.
"10 years? In 10 years it will be tough. Maybe I'll do boxing like you!" he said.
"I had a fantastic first season, second season and I improved every season".