Iker Casillas' wife is hopeful the Porto goalkeeper will be discharged from hospital on Monday.
The 37-year-old took to social media to confirm that he was in a stable condition, tweeting: "Everything under control, a big fright but strong as ever."
And Casillas' wife Sara Carbonero told AS: "Iker is calm, it's very good.
"We have to stay a few more days in the hospital, maybe he will be discharged on Monday and we can go home."
Porto's squad were also due to visit Casillas on Friday, with coach Sergio Conceicao having told a news conference that his team were "extremely united" behind their goalkeeper.