Ghana midfielder Rabiu Mohammed suffered an injury on Tuesday night in Anzhi Makhachkala home win over Yenisey in the Russian Premier League.
The Ghana international had to be replaced in injury time by Adlan Katsayev after suffering the know with just two minutes to end the game.
The 28 year old, who returned to Russia after a lengthy lay off has been pivotal for Makhachkala who lie 14th on the Russian table.
Venezuelan forward Andres Ponce score twice for Anzhi who beat Yenisey 2-1 on the night.
Anzhi manager Magomed Adiyev will be hoping the midfielder recovers in time for their trip to Arsenal Tula.
Meanwhile, the former FIFA U-20 world cup winner will undergo scans to determine the extent of the injury.