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This is just a mere speculations, and even though it might be possible that Rodri might said that, but I am very much positive that it's not now, not even three seasons to come, because Manchester city is very much aware of how important Rodri is too them, so letting him go to real madrid wouldn't look ambitious on their own part, so I believe that before something like that is even considered, it would be that Rodri will have past his prime, which is like three to four years time from now, but as for now, it's just speculations, nothing more.
Because we all know how important he is to this Manchester city side, just because of his absence due to injuries, look at how they are struggling, so I believe that Manchester city isn't stupid to that extent of letting him go when they all knows that he is the brainbox of the team.
Rodri is one of the main players who is always relied on by Pep Guardiola, the absence of this player has quite an impact on their performance in the last few matches. I am sure that Rodri will stay with City, at least for the next one or two seasons. Moreover, Rodri is one of the key players in Pep Guardiola's squad. So far we can say that whatever is spread in the media is all just speculation, or maybe just rumors linking Rodri to other clubs such as Madrid. Moreover, Madrid actually has the option of players in the same position as Rodri. Unless, Madrid does release some of its players and then tries to bring in Rodri. However, is it possible that City will release him before they get a player as an ideal replacement. I think this is very doubtful, even if Real Madrid is really interested in bringing him in. Moreover, the transfer window is still quite long. So, like other professional players, I am sure that for now Rodri is only focused on recovering from injury and returning to the main team, especially since his presence is really needed at this time to help his team which is experiencing poor performance.