Jesse James Kosakowski, doing grappling tournaments to perfect his grappling against people that would like to take him out of the game. A very smart move on his part.
And speaking of wanting to take him out of the game, he went up against two good grapplers. He won both matches. If you want to see good clean IGS grappling check out both superfights he had below:
If you want to be a good grappler, come on down to the Jeet Kune Do/Muay Thai/Integrated Grappling Systems classes. Learn how to fight well in all ranges of combat you can be in. Here is the schedule: https://psdtc.com/schedule/