Antonio Braga Neto is scary good. He won Gold at 2008 Worlds (Super Heavy) and at 2009 Pan American (Super Heavy and Open Class). We've praised his accomplishments and his good attitude here at DSTRYR/sg in the past. Over the past couple of years, he seems to have been focusing more on his MMA career (6 wins/1 loss; 4 subs).
So, basically, if he wants to demo a submission, we're gonna listen. He just posted this today: