Jonathan Dos Santos' hopes of playing for Mexico at the 2014 World Cup took a major blow when he suffered a major knee injury on Wednesday.
FC Barcelona's official website provided more details:
Jonathan dos Santos sustained an injury to the ACL in his right knee during this afternoon’s training session at the Ciutat Esportiva. The player will undergo additional tests in the upcoming days to determine the extent of the injury.
Dos Santos will be out for six months.