Dave Mustain
Since he was 12 years old, Megadeth’s main singer has been learning various fighting strategies. He holds black belts in both taekwondo and karate. He represents the World Taekwondo Federation as a goodwill ambassador.
ADVERTISEMENT
Shaquille O’Neal
Shaq has been practicing MMA for a long time and is a major admirer of the sport. He just consented to challenge another well-known name on this list. Later, we’ll talk a little more on that…