A preliminary diagnosis reveals that Mammana has suffered a partial rupture to the anterior crucial ligament within his left knee.
— FC Zenit in English🌊 (@fczenit_en) October 11, 2019
Mammana will now travel to a European clinic where an in-depth examination will commence.
If an operation is required he could miss up to 8 months. pic.twitter.com/W8SOKYiQsO