24-year-old Mackenzie Dern is still unbeaten in her MMA carrer. She just racks up her victories where ever she shows up. After the Invicta FC debut versus Kaline Mendeiros she’s 5-0 in her MMA carrer. Mackenzie Dern is also one of the biggest names in Brazilian Jiu Jitsu and 4 times BJJ World Champion. On … Continue reading Watch Mackenzie Dern Armbar on Kaline Medeiros at Invicta FC 26