It is feared the Estudiantes right-back tore the cruciate ligaments in his right knee in a Clausura match at Tigre last night. An official diagnosis is expected later today, but Estudiantes coach Alejandro Sabella is expecting the worst.
He said: "It was a terrible night. Marcos means a lot for us. Angeleri had a big chance to go to Europe and it is a big blow for both the player and the club. We are all very shocked by this."