Barcelona midfielder Carlos Alenya was seriously injured.
Barcelona midfielder Carlos Alenya has torn ligaments of the right hamstring, the official website of "blaugranas".
To restore the 20-year-old Spaniard will take several months.
In the season that ended, Alain spent three matches for Barcelona's first team, and for Barcelona B played 38 matches, in which he scored 11 goals and gave four assists.
In the next season he must be transferred to the first team on a permanent basis.
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