What is mario yamasaki?

Mario Yamasaki is a Brazilian mixed martial arts referee who has officiated numerous high-profile fights in organizations such as the UFC. He was born on October 18, 1963, in Sao Paulo, Brazil.

Yamasaki has been involved in MMA since the early days of the sport and has been praised for his knowledge and understanding of the rules and regulations. However, he has also faced criticism for some of his officiating decisions, with some fans and fighters questioning his judgment.

Yamasaki has refereed fights featuring some of the biggest names in MMA, including Conor McGregor, Jon Jones, and Anderson Silva. He is known for his calm demeanor and professionalism in the cage, and has been a trusted referee for many fighters and promotions.

Overall, Mario Yamasaki is a well-respected figure in the MMA world, with a long and successful career as a referee.