Luis Caballero, "El Sádico", is an active Bolivian professional MMA fighter from Bolivia in the Middleweight division. He holds a professional record of 7-3, known for finishing opponents (7 by KO/TKO). He is currently ranked #3161 Men's Pound for Pound and #373 Middleweight by FightTruth's model. He is currently on a 4-fight winning streak. He is a former PSP Middleweight Championship champion in 2025.