Rodriguez, 20, is already a senior international for Colombia and Porto know they face a fight to hold on to him. And the player's agent, Silvio Sandri, is seeking showdown talks with the club over his future.
Sandri told O Jogo: "There is nothing new to report. This is a matter to be discussed with Porto.
"Within a couple of weeks I plan to go to Portugal to speak with the leaders of Porto. I cannot talk more about this as it is so complex."