Mário Rui, after seven and a half years at Nápoles, terminated his contract and is now a free agent. His former agent, Mario Giuffredi, revealed to Tuttomercato that he offered Mário Rui several options, including Nice. Despite having a closed contract, Mário Rui decided against the move.

Mario Rui was informed by Napoli, led by Antonio Conte, that he is not part of the new project. Despite having two years left on his contract, Napoli was willing to release him practically for free. However, Mario Rui rejected all offers, including interest from Nice in France.

Mario Rui rejected offers from Lille, Real Valladolid, Nice, and São Paulo, opting to stay at Napoli despite uncertainties about his playing time.