I Want to Become an MMA Master

Do you know the sport of MMA? We people here call it mixed martial arts. It is the sport with the broadest rules and closest to one-on-one street fighting. Whether you are a boxing master, a jiu-jitsu master, or a top wrestler. As long as you enter this iron cage, you can use your best skills without any scruples. The person who can still stand in the iron cage after the game is over will be the final winner.