#BJJ #JiuJitsu #Shorts A banned pile driver move injured Willian Masuda at an elite invitational tournament, sparking a criminal investigation and exposing enforcement failures in competitive jiu jitsu. Read the full article: https://bjjproblems.com/blogs/bjj-problems/willian-masuda-pile-driver-criminal-investigation-machado Sources: - Criminal Investigation Opened in Pile Driver Incident - IBJJF Pile Driver Ban and Enforcement #Grappling #MartialArts