Frank Rosenthal is a Brazilian jiu-jitsu black belt competitor representing the Fifty/50 team.
CHAD EDWARD MYERS vs FRANK ROSENTHAL 2023 World IBJJF Jiu-Jitsu No-Gi Championship
Dec 8, 2023
CHAD EDWARD MYERS vs FRANK ROSENTHAL 2023 World IBJJF Jiu-Jitsu No-Gi Championship