Greg Jackson was raised in a neighborhood where he had to fight to survive. He tried every martial art he could get his hands on, only to find they all lacked practicality. He developed his own system instead, and is now the most accomplished and celebrated mixed martial arts coach in the world. InoJackson's Mixed Martial Arts, he unveils for the first time his methods of ground fighting that have enabled his fighters to dominate every MMA promotion and every grappling competition in the U.S. Every ground fighting situation is addressed, along with loads of submissions.