I'd like to amend this list to include just one name:
His performance at Mundials this year was the greatest single performance by a grappler in the history of the sport. I have no doubt that the guy's the best that there is.
That said, I love watching his matchups with Xande Ribeiro (who I consider a close second).
Hey Ironman, Whats your impression of Matt Hume? Didn't he start ADCC?