The Juventus defender has been a key figure for his club this season, with their main blip in the league coming during his absence.
The injury means he is likely to miss games with Lazio and AC Milan in Serie A.
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Liverpool have unveiled their new home kit for next season, sticking with the hugely popular retro styling of the current shirt.
The reputation of the Premier League means it is the most popular and one of the most watched leagues in the world.