Unfortunately, there is no information available on Marcelo Díaz's latest injury update as of my last update in September 2021. I would recommend checking the official FC Porto website or any other reputable sports news source for the most up-to-date information on Díaz's injuries and recovery status.
In general, it is important to note that professional athletes face various health challenges throughout their careers, including injuries and illnesses. It is crucial for them to receive proper medical care and treatment to recover quickly and safely.
If you have any specific questions about Marcelo Díaz's health situation, please feel free to ask!