DHK is a very good grappler, but I don't know why I have a feeling ppl are sleeping on Erick's grappling skills. He is a very strong technical grappler himself, who started to lose positions to Fitch only after gassing. So grappling wise, if Erick paces himself, I see a toss up, being the undeniable striking advantage to the Brazilian.
That's a good fight to watch.
KEN BLOCK'S GYMKHANA SEVEN MUSTANG IN ACTION