The 23-year-old has undergone surgery to repair the anterior cruciate ligament in his right knee.
The young midfielder suffered the injury during training on October 23.
This is the second season that the Mexico international is part of the Barcelona first team.
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The start of the 2017-18 Premier League season is just around the corner and is shaping up to be one of the most competitive yet.
As always it is the so called “big clubs” that have splashed the most cash in the transfer window so far this summer. Manchester United or City? Arsenal or Tottenham? Who are the winners and losers of the transfer window so far?