Luis Hernandez, a Miami-Dade Sheriff’s deputy, stepped in on just two days’ notice to face Sedriques Dumas — a fighter with a long history of arrests and multiple prior convictions. Hernandez then made the story even crazier, submitting Dumas via guillotine in just 57 seconds of his UFC debut. 🔥 #UFC #LuisHernandez #MMA #fyp #police