Mikel Arteta wants to bolster his centre-backs this summer, despite having seven already on the books.
"But for the moment, nobody has made a written proposal. However, the president of Internacional, Marcelo Medeiros, said he was willing to sell the young defender."
Asked how much Fuchs could fetch in the transfer window, Fogaca responded: "It is very difficult to make an exact estimate, especially now in times of a pandemic.
"Maybe, between 2-5 million euros (£1.7m-£4.5million), but it is difficult to be precise."