#BJJ #JiuJitsu #Shorts Islam Makhachev holds black belts in both taekwondo and jiu-jitsu, but the internet questions whether a fighter can legitimately master two martial arts at the highest level. Read the full article: https://bjjproblems.com/blogs/bjj-problems/makhachev-taekwondo-black-belt-doesnt-deserve-jiu-jitsu-belt-criticism Sources: - Islam Makhachev Fighter Profile #Grappling #MartialArts