Can I do MMA without training in Jiu-Jitsu?

He's caused quite a stir in the lightweight division of the UFC, and is currently undefeated. He also doesn't train in Jiu Jitsu, japanese or brazilian. That being said he does train in plenty of groundfighting. read more

If you mean Brazilian jiu jitsu (with which I’m familiar): The answer is yes, so long as you substitute another ground-based fighting system that includes submissions. At its most basic, MMA requires both stand-up skills (largely striking) and ground skills (ground control, submissions, and striking). read more

In sport jiu jitsu, 60-70% of the engagement takes place in the guard, so jiu jitsu guys naturally become good at working from this position. There are two reasons this is not good for fighting in the cage. read more

Brazilian jiu jitsu is a martial art that largely focuses on groundwork. Certain moves are allowed. Other moves—such as striking or kicking—are not allowed. Takedowns do result in points awarded but, otherwise, the activity is ground-based. read more