Real Madrid officially announced today, Tuesday, that their Belgian goalkeeper Thibaut Courtois has suffered a serious knee injury. Courtois had recently returned from an anterior cruciate ligament tear sustained at the start of the current season. Real Madrid issued a statement on their official website, saying: "After the examinations conducted today on our player Thibaut Courtois, it was found that he is suffering from a tear in the inner meniscus of his right knee." The statement also added: "The injury occurred during today's training." Real Madrid did not disclose the expected duration of their primary goalkeeper's absence, but it is certain that he will miss any remaining matches this season. According to the Spanish newspaper "Marca," Courtois left Real Madrid's training in tears.