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