Real Madrid midfielder Federico Valverde has been ruled out of Sunday's El Clasico against Barcelona after sustaining a head injury during a dressing room altercation with teammate Aurelien Tchouameni, the club announced. Madrid has also opened disciplinary proceedings against both players.

"After the tests carried out today on our player Fede Valverde by the Real Madrid Medical Services, he has been diagnosed with a cranioencephalic trauma," the club said in a statement. "Valverde is at home in good condition and will need to rest for 10 to 14 days."

Valverde, 27, addressed the incident in a personal statement, describing the confrontation without naming Tchouameni directly.

"My teammate didn't hit me, nor did I hit him," Valverde said. "During the argument, I accidentally struck a table, sustaining a small cut on my forehead that required a routine visit to the hospital."

"I am truly sorry for this situation. Real Madrid is one of the most important things in my life, and I cannot remain indifferent to it."

A source told ESPN that the fight erupted at the end of training following a practice match with heavy challenges. Tchouameni entered the changing room first, with Valverde following in a visibly agitated state.

The Valverde-Tchouameni dispute is part of a broader pattern of internal friction at the club. Antonio Rudiger was previously involved in a heated exchange with Alvaro Carreras at the training ground. Manager Alvaro Arbeloa has also clashed with players including Dani Ceballos and Raul Asencio in recent weeks.

Barcelona needs only a draw at Camp Nou to clinch its second consecutive La Liga title.