The Brazilian was forced out of the 2-2 draw with Manchester City early on.
It would be a major blow were he to miss two months of the season, having been sorely missed for half of the last campaign.
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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?