Apparently Manchester United will let Cristiano Ronaldo move to Manchester City, United have admitted that they will consider a £135million pound offer for the winger.

Gill said: “I can’t believe he is serious at those levels and, anyway, we are not looking to sell our best players.
“But ultimately we would discuss any offer with Alex and the owners, as that sort of money is very large for one person.
“It would take a huge amount of money to take a player like Ronaldo across the city. But that kind of decision would be up to the owners.
“But he mentioned Torres and Fabregas in the same article. I think we can remain calm, wait and see what happens over the course of the next months and years, and not worry about it too much.”
“I have never met the gentleman (the new city owner), So I couldn’t say for sure whether he is serious or not. But that is a fantastic amount of money and would turn the industry upside down.
“Still, it is interesting that when Alex mentioned the Dimitar Berbatov signing from Spurs in advance that complaints were made to the Premier League.
“Yet he is publicly listing a host of players he claims to want to buy.”
“From a squad perspective, Alex is very comfortable with it.
“The other piece of business we will look to do is to finalise the Carlos Tevez deal.
“But the competition in the squad is now first class.”

Personally I cannot see Ronaldo moving to City, he wants to play out in Spain and why would he want to move from United to City?
The only reason would be money reasons and it isn't as if he isnt being paid a lot at United.