Demetrious “Mighty Mouse” Johnson Wins IBJJF Masters World Title
with a Perfect 6-0 Score
Considered by many as the greatest flyweight MMA athlete in the history of the sport, Demetrious “Mighty Mouse” Johnson, is the ONE FC champion and a former UFC flyweight champion, he displayed his versatility and tenacity by clinching gold at the IBJJF (International Brazilian Jiu-Jitsu Federation) Masters World Championships in Las Vegas.