Oumar Sako is a professional footballer from NIG and is currently 31 years old. He is on the books of FK Rostov and wears shirt number 3. At international level, he features for Niger. His main role on the pitch is Defender. He measures 191cm in height and weighs 79kg. His estimated market valuation currently stands at 2.5M €.

His latest transfer saw him join FK Rostov from Arda via Free on 2024-07-01. The move was reported at 0.35M €.

Across the Russian Premier League 2025-2026, Oumar Sako appeared in 14 matches and averaged 1.3 tackles, 0.9 interceptions, 4 clearances, and 0 blocked shots per game.