I don’t think there is any base for this rumor because first of all if he does move to Roma I don’t think it is an upgrade of any kind. You know, Cristiano Ronaldo has some type of emotional attachment with Manchester United. He does not have any such thing with Roma.
The problem is that when he wants to move his club must be in the Champions League at least.
It's like a rule for him in my opinion, especially he is a good player so it's very natural for the Champions League to be a reference.
AS Roma even want to sign this player but they will not be able to with such an opportunity they are very ordinary from a financial point of view, and in terms of performance are also not very good so they will not be able to bring Ronaldo to Roma.