Fall suffered osteochondral damage in the medial femoral condyle of his right knee and is set to miss three weeks of action.
Less than a week before a derby against Panathinaikos AKTOR Athens, Olympiacos Piraeus lost one of their key players.
Moustapha Fall suffered a knee injury and will be out for three weeks.
The big man underwent an MRI on Tuesday, which determined that Fall had suffered osteochondral damage in the medial femoral condyle of his right knee.
Fall is estimated to miss eight games during his rehab - 5 EuroLeague matches and 3 Greek League (ESAKE) matchups.
Despite welcoming Nikola Milutinov as his main rival in the center position, Fall has been having a career year in the Euroleague this season, averaging 7.7 points, 4.6 rebounds, 2.7 assists, and 1.2 blocks for 14.7 PIR.
Filip Petrusev, meanwhile, followed an individual program on Tuesday, and his availability for the upcoming EuroLeague game against Maccabi Playtika Tel Aviv remains uncertain.
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