Dionel Sosa, "El Chueco", is an active Argentine professional MMA fighter from Corrientes, Argentina in the Flyweight division. He holds a professional record of 11-10, known for finishing opponents (7 by KO/TKO, 2 by submission). He is currently ranked #4009 Men's Pound for Pound and #293 Flyweight by FightTruth's model. He is a former FC Flyweight Championship champion in 2026.