On Saturday night, Mexico's National Team gained a 3-1 victory over Ecuador in a friendly game at the AT&T Center in Arlington, TX.
Israel Márquez, spokesperson for the Mexican National Team, took to Twitter to report on Montes' injury, indicating he suffered a fractured tibia and fibula.
Mexican head coach Miguel Herrera also took to Twitter to comment on Montes' injury. He says, "Today, we have lost a fundamental piece but we are all with you. Good luck, 'Chapo' Montes."
Ecuadorian site CanchaEcuador is reporting that Castillo suffered a torn ACL in the collision and will also miss the World Cup.
In more unnerving news for the Mexican National Team, defender and team captain Rafael Márquez was also taken to the hospital to evaluate a possible foot injury.
Rafael Márquez has given an update on his condition through his Instagram.